Simple Machines Forum: Difference between revisions
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{{short description|Open-source, Internet forum program}} |
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'''Simple Machines Forum''', or SMF, is an [[internet forum]] script written and supported by Simple Machines. This script is free to download and use, but the license does not permit removal of the copyright notice or redistribution of modified versions. |
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{{Infobox software |
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| name = Simple Machines Forum |
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| logo = File:Simple Machines Forum logo.png |
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| logo size = 254px |
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| developer = Simple Machines |
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| programming language = PHP |
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| genre = Internet forum |
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| license = Open Source<hr>SMF 2: [[BSD licenses#3-clause license ("Revised BSD License", "New BSD License", or "Modified BSD License")|3-clause BSD License]]<hr>SMF 1: Simple Machines License<hr> |
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| website = {{URL|https://www.simplemachines.org}} |
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}} |
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'''Simple Machines Forum''' ('''SMF''') software is an [[open-source software|open-source]] web application that provides [[Internet forum]] and message board services. It is developed by Simple Machines. |
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==Latest releases== |
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*'''1.0.x ([[stability|stable]])''' - ''1.0.5: [[June 20]], [[2005]]'' |
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*'''1.1 ([[beta]])''' - ''1.1 Beta 3 Public: [[June 26]], [[2005]]'' and ''1.1 Beta 4: [[August 20]], [[2005]]'' |
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The name reflects the creator's initial goal of providing a website that could be operated by novice programmers and requires minimal server resources.<ref name=whois>{{cite web|title=What is Simple Machines Forum?|url=http://www.whoishostingthis.com/compare/simple-machines-forum/|publisher=WhoIsHostingThis|accessdate=January 15, 2015|archive-date=January 23, 2015|archive-url=https://web.archive.org/web/20150123074302/http://www.whoishostingthis.com/compare/simple-machines-forum/|url-status=dead}}</ref> Simple Machines won the ''forum-software.org'' best free forum software award in 2009.<ref name=best>{{cite web|title=Best Forum Software of 2009|url=http://www.forum-software.org/best-forum-software-of-2009|publisher=Forum Software Reviews|accessdate=January 9, 2010}}</ref> |
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Note: 1.1 Beta 4 is a Charter Members release only. 1.1 Beta 4 will probably be the last beta release before 1.1 becomes the release candidate stage. |
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==Organization== |
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Simple Machines Forum is an open-source discussion board software project of volunteers participating in various operating functions including development, customization, documentation, localization/translation, user support, and marketing. The project is owned by a non-profit organization, named ''Simple Machines''. Liroy van Hoewijk is president and CEO of the organization; Aleksi Kilpinen is the current project manager of SMF. "Sesquipedalian" is SMF's lead software developer. |
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Simple Machines is organized and operates as a not-for-profit membership corporation organized under the laws of the U.S. State of Nevada. To be eligible for membership, a person or entity must be nominated by a current member of the corporation and must complete a written or electronic membership application and approved by the board of directors. The organization has not applied to become a [[501(c)(3) organization]]; however, its internal bylaws still prohibit activities which would disqualify it from becoming one in the future.<ref name="bylaws">{{cite web|url=https://www.simplemachines.org/about/bylaws.php|title=Bylaws|website=Simple Machines| accessdate=June 22, 2010}}</ref> |
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The organization is funded by private donations, advertisements on its website, and income from "charter memberships".<ref name="membership">{{cite web|url=https://www.simplemachines.org/charter|title=Charter membership|website=Simple Machines| accessdate=January 15, 2015}}</ref> |
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==History== |
==History== |
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On June 16, 2001,<ref name=yabbdate>{{cite web|title=YaBB 1.0|url=http://mac.softwareweb.com/summary/yabb-1.0-SLIAS.html|website=Softwareweb.com|accessdate=November 12, 2001}}{{dead link|date=May 2018 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> 16-year-old Zef Hemel along with collaborators Jeff Lewis, Corey Chapman, T. Oswalds, and Matt Mecham released the first open source bulletin board written in [[Perl]] called '''YaBB 1.0''' (Yet Another Bulletin Board).<ref name=YaBBhemel>{{cite web|title=Interview With Zef Hemel – Founder of YaBB|url=https://theadminzone.com/threads/interview-with-zef-hemel-founder-of-yabb.10949/|website=The Admin Zone|accessdate=Jun 15, 2005}}</ref> YaBB 1.0 was the leading free forum software package at the time. It proved, however, to be inefficient and slow for active communities.<ref name=sitepoint>{{cite web|url=http://www.sitepoint.com/article/interview-jeff-lewis-yabb-se|title=Interview with Jeff Lewis, creator of YaBB SE|author=Bes Zain|publisher=Sitepoint|accessdate=August 13, 2002}}</ref> |
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SMF was created to replace the well known forum software YaBB SE, which at the time was getting a bad reputation due to problems with the Perl based and similarly named software [[YaBB]]. YaBB was known to cause resource allocation problems and was resource heavy on many systems, in its earlier versions. YaBB SE, written as a rough PHP port of YaBB, tended to have many of the same resource and even security problems. |
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On November 12, 2001, shortly after the release of YaBB 1.0, a second program, '''YaBB SE 1''', written by Jeff Lewis and Joseph Fung (from Lewis Media Inc.) with help from Zef Hemel and Christian Land (from the YaBB project) was released. Ultimately, users of this rough [[PHP]] port of YaBB also reported resource and security problems.<ref name=sitepoint/> |
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Originally, SMF started as a small project by Unknown W. Brackets, one of the developers of YaBB SE, to add more advanced templating to YaBB SE. This project slowly grew to address many common feature requests, efficiency problems, and security concerns. At that time, a YaBB SE 2.0 project had been in development for several years, but when this new project (which was called that developer's "secret project") became more popular, it was decided to use it as the next official version instead. This new interest sparked a complete rewrite of the code, with security and performance in mind. |
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Lewis and Fung split off from the YaBB SE team to try a different approach for addressing the YaBB SE efficiency problems, security concerns, and to add new features. Lewis and Fung did a complete rewrite of the code<ref name=sitepoint/> and changed the brand name to ''Simple Machines Forum (SMF)''.<ref name=intro/> On September 30, 2003, the first "YaBB SE/SMF" product, '''SMF 1.0''' Beta 1a, was released.<ref name=smf1>{{cite web|url=https://www.simplemachines.org/community/index.php?topic=1715.145|title=SMF 1.0 Beta 1 Released!|website=Simple Machines| accessdate=November 13, 2003}}</ref> |
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==Localisation== |
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SMF is available in over 20 languages, including Swedish, Catalan, Persian, Chinese, Finnish, Greek, Turkish, Portuguese, French, English, Dutch, Spanish, German, Hungarian, Hebrew, Bulgarian, Italian, Thai, Polish, and Norwegian. It can be easily translated to unavailable languages if volunteers are willing. |
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The development and support team for YaBB SE was shut down in March 2004 with hundreds of communities in operation, when the developers joined the SMF project. A converter was developed to convert YaBB SE to SMF.<ref name=intro>{{cite web|url=https://www.simplemachines.org/community/index.php?topic=129960.0|title=Introducing Simple Machines LLC|publisher=The Simple Machines Organization| accessdate=November 27, 2006}}</ref><ref name=YaBB>{{cite web|last1=Lewis|first1=Jeff|title=YaBB Perl Software Community|url=http://www.yabbse.org/|publisher=YaBB SE|accessdate=March 4, 2004}}</ref><ref name=YaBB2>{{cite web|last1=Lewis|first1=Jeff|title=YaBB Perl Software Community|url=http://www.yabbse.org/community/index.php?topic=27708.0|publisher=YaBB SE|accessdate=March 31, 2004}}</ref> |
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==Modifications== |
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SMF has a modification base repository for free modification hosting and tracking via the Simple Machines main site. Many modifications, or mods as they are usually called, have been created and distributed for free on this site, including and arcade, profile additions, message approval, zodiac, and many more with RPG mods in production. |
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On October 23, 2006, the Simple Machines Forum project was split off from Lewis Media for the purpose of "[solidification of] the team’s commitment to continuously providing free software, without the perceived risks of corporate influence". The new company was named Simple Machines, LLC.<ref name=about>{{cite web|url=https://www.simplemachines.org/about/|title=Who are we?|publisher=The Simple Machines Organization|accessdate=January 15, 2015}}</ref> Simple Machines LLC was registered in the state of Arizona, and the transfer of copyrights from Lewis Media to Simple Machines LLC was completed on 24 November 2006 during a three-day retreat in Tucson, AZ.<ref name=intro/> |
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The package manager included in SMF has often been named one of its best features. It allows you to install these modifications (and updates to SMF) with usually only a few mouse clicks. |
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On Dec 02, 2006, '''SMF 1.1''' was released.<ref name="v11release">{{cite web|url=https://www.simplemachines.org/community/index.php?topic=131008.msg835035#msg835035|title=SMF 1.1 Final|publisher=The Simple Machines Forum project|accessdate=October 25, 2015}}</ref> |
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==Support== |
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Simple Machines has a team of support specialists that supports its users for free. The developers are also at hand to deal with some of the most tricky support requests, also offering advice to the best and most optimised settings that SMF can run at and how to deal with high loads more efficiently. |
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On April 8, 2007, Simple Machines announced the introduction of SMF 2.0.<ref name="SMF2.0">{{cite web|url=https://www.simplemachines.org/community/index.php?topic=163438.0|title=Introducing SMF 2.0|website=Simple Machines| accessdate=April 8, 2007}}</ref> SMF 2.0.x has been in development alongside SMF 1.1 since December 2005. |
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Other divisions of the Simple Machines team include a graphics team whose job it is to improve the look of the software, a documentation team which makes sure every SMF feature is explained in great detail, a mod team that works on making modification development easier, a language team to make sure the translation process is co-ordinated and efficient, and finally a project management team to oversee the entire project and make sure things run smoothly and to plan. |
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In June 2010, Simple Machines re-formed as a not-for-profit organization (NPO) registered in Nevada. The transfer of assets from LLC to NPO was completed in April 2011 and in May 2011, Simple Machines, LLC was dissolved. On the 24th of September 2010, the Simple Machines team announced the dissolving of the Simple Machines LLC and all assets moved to the nonprofit organization (Simple Machines) set up for the project.<ref name=about/> |
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==Charter Members== |
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People who wish to support Simple Machines for a yearly fee of $50.00 [[USD]] are rewarded with a Charter Member only section on the forum, advanced beta versions to test before they go public. Advanced support for SMF including installation and upgrades by the staff is also provided. |
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On June 11, 2011, '''SMF 2.0''' was released.<ref name="v2release">{{cite web|url=https://www.simplemachines.org/community/index.php?&topic=437328.0|title=2.0 Final has been released|publisher=The Simple Machines Team|accessdate=June 11, 2011}}</ref> |
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==External links== |
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On February 9, 2022, '''SMF 2.1''' was released.<ref name'v21stablerelease">{{cite web|url=https://www.simplemachines.org/community/index.php?msg=4110098|title=SMF 2.1.0 Released|publisher=Simple Machines|accessdate=February 9, 2022}}</ref> |
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*[http://www.simplemachines.org/ Simple Machines Homepage] |
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*[http://www.simplemachines.org/community/index.php Official Support Forum] |
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==Licensing== |
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*[http://support.simplemachines.org/demo/index.php Demo Forum] (username: test / password: test) |
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SMF 1.0 and 1.1 are published under a proprietary license. While it is [[Source-available software|source-available]], redistribution and/or distribution of modified components is limited to authorized entities. |
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*[http://mods.simplemachines.org/index.php SMF Mods] |
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SMF version 2.0 and 2.1 are licensed under the [[BSD licenses#3-clause license ("New BSD License" or "Modified BSD License")|3-clause BSD license]].<ref name="license">{{cite web|url=https://www.simplemachines.org/about/smf/license.php|title=Simple Machines License|website=Simple Machines| accessdate=November 13, 2003}}</ref> It is also open source with redistribution of modified code subject to the BSD requirements.<ref name=whois/> |
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==Products== |
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Simple Machines Forum (SMF) software is written in [[PHP]] and uses MySQL for database management – it is built around established industry standards and is generally valued for its high security standards. The use of PHP, MySQL and the fact that SMF is freeware, helped spawn the creation of a large and relatively active volunteer development community.<ref name=whois/> |
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SMF is commonly deployed on basic web hosting packages, usually Linux, Apache, MySQL, PHP (LAMP) compliant servers. Installations on VPS or dedicated servers are usually needed for sites with a large number of concurrent users online at the same time. The number of concurrent users that can be handled depends on the available [[System resource#General resources|server resources]], the resource limits a hosting provider may imply, the server configuration, and on which kind of modifications have been installed. SMF itself has virtually no limit of traffic it can process, however: the more users online, the more powerful hardware it will require in order to function.<ref name=whois/> |
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Simple Machines Forum has 4 versions, SMF 1.0, SMF 1.1, SMF 2.0 and SMF 2.1 |
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{|class="wikitable" style="text-align: center;" |
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!width="75px"|Version |
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!width="140px"|Release Date |
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!width="75px"|Latest Rev# |
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!width="140px"|Revision Date |
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!width="75px"|Development |
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|- |
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|'''SMF 1.0''' |
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|Sep 30, 2003 |
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|'''1.0.23''' |
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|Dec 16, 2012 |
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|Inactive{{efn|Replaced by SMF 1.1}} |
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|- |
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|'''SMF 1.1''' |
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|Dec 3, 2006 |
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|'''1.1.21''' |
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|April 24, 2015 |
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|Inactive{{efn|Replaced by SMF 2.0}} |
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|- |
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|'''SMF 2.0''' |
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|Jun 11, 2011 |
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|'''2.0.19''' |
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|Dec 21, 2021 |
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|Active{{efn|There are 33 improvements between 2.0 and 1.1<ref name=new2a>{{cite web|title=Differences between SMF 2.0 and SMF 1.1 |url=https://wiki.simplemachines.org/smf/Differences_between_SMF_2.0_and_SMF_1.1 |website=Simple Machines |accessdate=August 27, 2011}}</ref>}} |
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|- |
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|'''SMF 2.1''' |
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|Feb 9, 2022 |
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|'''2.1.4''' |
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|Jun 10, 2023 |
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|Active{{efn|There are 54 improvements between 2.1 and 2.0<ref name=new2b>{{cite web|title=Differences between SMF 2.1 and SMF 2.0 |url=https://wiki.simplemachines.org/smf/Differences_between_SMF_2.1_and_SMF_2.0 |website=Simple Machines |accessdate=March 29, 2014}}</ref>}} |
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|- |
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|} |
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{{notelist}} |
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==Feature add-on modifications== |
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SMF has a modification base repository for free modification hosting and tracking via the Simple Machines main site. Many modifications, or "mods" as they are usually called, have been created and distributed free of charge, including an [[video arcade|arcade]], Help desk, profile additions, gallery, [[Akismet|spam filter]], various SEO features, and many more. Before being listed on the SMF Mods site, the mod is validated by the SMF Team, to ensure that it complies with the SMF Coding Guidelines. |
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The [[Package Manager]] included in SMF is one of the flagship features. It allows an administrator to install modifications and updates to SMF without having to modify the code of the script, usually with only a few mouse clicks. |
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==Criticism== |
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Even though the sources were available from the start, SMF has been criticized by the open source community for not being available under a [[free software]] license. Redistribution of earlier releases of the software, even unmodified, is not allowed without a written permission. The source code is not redistributable either, although it is allowed to distribute instructions on how to modify it. |
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Starting with the 2.0 release the software is available under the BSD license, resolving the concerns.<ref name="opensource">{{cite web|url=https://www.simplemachines.org/about/opensource.php|title=Simple Machines and Open Source|author=Joshua Dickerson |publisher=Simple Machines Organization| accessdate=January 15, 2015}}</ref> |
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==See also== |
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* [[Comparison of Internet forum software]] |
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* [[List of Internet forums]] |
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==References== |
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{{Reflist|2}} |
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==External links== |
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*[http://www.yabbforum.com/ YaBB Community] {{Webarchive|url=https://web.archive.org/web/20191009113104/http://www.yabbforum.com/ |date=2019-10-09 }} |
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*[http://www.yabbse.org/ YaBBse Community] |
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*[https://www.simplemachines.org/community/ SMF Community] |
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*[http://www.forum-software.org/simple-machines-2/review Simple Machines review, demonstration and screenshots] |
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[[Category:Free software programmed in PHP]] |
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[[Category:Internet forum software]] |
[[Category:Internet forum software]] |
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[[Category: |
[[Category:Free Internet forum software]] |
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[[Category:Software using the BSD license]] |
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Latest revision as of 16:29, 4 December 2024
 | |
| Developer(s) | Simple Machines |
|---|---|
| Stable release | 2.1.4 (June 10, 2023) [±] 2.0.19 (December 21, 2021) [±] |
| Repository | |
| Written in | PHP |
| Type | Internet forum |
| License | Open Source SMF 2: 3-clause BSD License SMF 1: Simple Machines License |
| Website | www |
Simple Machines Forum (SMF) software is an open-source web application that provides Internet forum and message board services. It is developed by Simple Machines.
The name reflects the creator's initial goal of providing a website that could be operated by novice programmers and requires minimal server resources.[1] Simple Machines won the forum-software.org best free forum software award in 2009.[2]
Organization
[edit]Simple Machines Forum is an open-source discussion board software project of volunteers participating in various operating functions including development, customization, documentation, localization/translation, user support, and marketing. The project is owned by a non-profit organization, named Simple Machines. Liroy van Hoewijk is president and CEO of the organization; Aleksi Kilpinen is the current project manager of SMF. "Sesquipedalian" is SMF's lead software developer.
Simple Machines is organized and operates as a not-for-profit membership corporation organized under the laws of the U.S. State of Nevada. To be eligible for membership, a person or entity must be nominated by a current member of the corporation and must complete a written or electronic membership application and approved by the board of directors. The organization has not applied to become a 501(c)(3) organization; however, its internal bylaws still prohibit activities which would disqualify it from becoming one in the future.[3]
The organization is funded by private donations, advertisements on its website, and income from "charter memberships".[4]
History
[edit]On June 16, 2001,[5] 16-year-old Zef Hemel along with collaborators Jeff Lewis, Corey Chapman, T. Oswalds, and Matt Mecham released the first open source bulletin board written in Perl called YaBB 1.0 (Yet Another Bulletin Board).[6] YaBB 1.0 was the leading free forum software package at the time. It proved, however, to be inefficient and slow for active communities.[7]
On November 12, 2001, shortly after the release of YaBB 1.0, a second program, YaBB SE 1, written by Jeff Lewis and Joseph Fung (from Lewis Media Inc.) with help from Zef Hemel and Christian Land (from the YaBB project) was released. Ultimately, users of this rough PHP port of YaBB also reported resource and security problems.[7]
Lewis and Fung split off from the YaBB SE team to try a different approach for addressing the YaBB SE efficiency problems, security concerns, and to add new features. Lewis and Fung did a complete rewrite of the code[7] and changed the brand name to Simple Machines Forum (SMF).[8] On September 30, 2003, the first "YaBB SE/SMF" product, SMF 1.0 Beta 1a, was released.[9]
The development and support team for YaBB SE was shut down in March 2004 with hundreds of communities in operation, when the developers joined the SMF project. A converter was developed to convert YaBB SE to SMF.[8][10][11]
On October 23, 2006, the Simple Machines Forum project was split off from Lewis Media for the purpose of "[solidification of] the team’s commitment to continuously providing free software, without the perceived risks of corporate influence". The new company was named Simple Machines, LLC.[12] Simple Machines LLC was registered in the state of Arizona, and the transfer of copyrights from Lewis Media to Simple Machines LLC was completed on 24 November 2006 during a three-day retreat in Tucson, AZ.[8]
On Dec 02, 2006, SMF 1.1 was released.[13]
On April 8, 2007, Simple Machines announced the introduction of SMF 2.0.[14] SMF 2.0.x has been in development alongside SMF 1.1 since December 2005.
In June 2010, Simple Machines re-formed as a not-for-profit organization (NPO) registered in Nevada. The transfer of assets from LLC to NPO was completed in April 2011 and in May 2011, Simple Machines, LLC was dissolved. On the 24th of September 2010, the Simple Machines team announced the dissolving of the Simple Machines LLC and all assets moved to the nonprofit organization (Simple Machines) set up for the project.[12]
On June 11, 2011, SMF 2.0 was released.[15]
On February 9, 2022, SMF 2.1 was released.[16]
Licensing
[edit]SMF 1.0 and 1.1 are published under a proprietary license. While it is source-available, redistribution and/or distribution of modified components is limited to authorized entities.
SMF version 2.0 and 2.1 are licensed under the 3-clause BSD license.[17] It is also open source with redistribution of modified code subject to the BSD requirements.[1]
Products
[edit]Simple Machines Forum (SMF) software is written in PHP and uses MySQL for database management – it is built around established industry standards and is generally valued for its high security standards. The use of PHP, MySQL and the fact that SMF is freeware, helped spawn the creation of a large and relatively active volunteer development community.[1]
SMF is commonly deployed on basic web hosting packages, usually Linux, Apache, MySQL, PHP (LAMP) compliant servers. Installations on VPS or dedicated servers are usually needed for sites with a large number of concurrent users online at the same time. The number of concurrent users that can be handled depends on the available server resources, the resource limits a hosting provider may imply, the server configuration, and on which kind of modifications have been installed. SMF itself has virtually no limit of traffic it can process, however: the more users online, the more powerful hardware it will require in order to function.[1]
Simple Machines Forum has 4 versions, SMF 1.0, SMF 1.1, SMF 2.0 and SMF 2.1
| Version | Release Date | Latest Rev# | Revision Date | Development |
|---|---|---|---|---|
| SMF 1.0 | Sep 30, 2003 | 1.0.23 | Dec 16, 2012 | Inactive[a] |
| SMF 1.1 | Dec 3, 2006 | 1.1.21 | April 24, 2015 | Inactive[b] |
| SMF 2.0 | Jun 11, 2011 | 2.0.19 | Dec 21, 2021 | Active[c] |
| SMF 2.1 | Feb 9, 2022 | 2.1.4 | Jun 10, 2023 | Active[d] |
Feature add-on modifications
[edit]SMF has a modification base repository for free modification hosting and tracking via the Simple Machines main site. Many modifications, or "mods" as they are usually called, have been created and distributed free of charge, including an arcade, Help desk, profile additions, gallery, spam filter, various SEO features, and many more. Before being listed on the SMF Mods site, the mod is validated by the SMF Team, to ensure that it complies with the SMF Coding Guidelines.
The Package Manager included in SMF is one of the flagship features. It allows an administrator to install modifications and updates to SMF without having to modify the code of the script, usually with only a few mouse clicks.
Criticism
[edit]Even though the sources were available from the start, SMF has been criticized by the open source community for not being available under a free software license. Redistribution of earlier releases of the software, even unmodified, is not allowed without a written permission. The source code is not redistributable either, although it is allowed to distribute instructions on how to modify it.
Starting with the 2.0 release the software is available under the BSD license, resolving the concerns.[20]
See also
[edit]References
[edit]- ^ a b c d "What is Simple Machines Forum?". WhoIsHostingThis. Archived from the original on January 23, 2015. Retrieved January 15, 2015.
- ^ "Best Forum Software of 2009". Forum Software Reviews. Retrieved January 9, 2010.
- ^ "Bylaws". Simple Machines. Retrieved June 22, 2010.
- ^ "Charter membership". Simple Machines. Retrieved January 15, 2015.
- ^ "YaBB 1.0". Softwareweb.com. Retrieved November 12, 2001.[permanent dead link]
- ^ "Interview With Zef Hemel – Founder of YaBB". The Admin Zone. Retrieved Jun 15, 2005.
- ^ a b c Bes Zain. "Interview with Jeff Lewis, creator of YaBB SE". Sitepoint. Retrieved August 13, 2002.
- ^ a b c "Introducing Simple Machines LLC". The Simple Machines Organization. Retrieved November 27, 2006.
- ^ "SMF 1.0 Beta 1 Released!". Simple Machines. Retrieved November 13, 2003.
- ^ Lewis, Jeff. "YaBB Perl Software Community". YaBB SE. Retrieved March 4, 2004.
- ^ Lewis, Jeff. "YaBB Perl Software Community". YaBB SE. Retrieved March 31, 2004.
- ^ a b "Who are we?". The Simple Machines Organization. Retrieved January 15, 2015.
- ^ "SMF 1.1 Final". The Simple Machines Forum project. Retrieved October 25, 2015.
- ^ "Introducing SMF 2.0". Simple Machines. Retrieved April 8, 2007.
- ^ "2.0 Final has been released". The Simple Machines Team. Retrieved June 11, 2011.
- ^ "SMF 2.1.0 Released". Simple Machines. Retrieved February 9, 2022.
- ^ "Simple Machines License". Simple Machines. Retrieved November 13, 2003.
- ^ "Differences between SMF 2.0 and SMF 1.1". Simple Machines. Retrieved August 27, 2011.
- ^ "Differences between SMF 2.1 and SMF 2.0". Simple Machines. Retrieved March 29, 2014.
- ^ Joshua Dickerson. "Simple Machines and Open Source". Simple Machines Organization. Retrieved January 15, 2015.