Comparison of source code hosting facilities
See also: Collaborative Development Environment and comparison of revision control software
A source code repository is a file archive and web hosting facility where large amounts of source code for software, but also for web pages are kept, either publicly or privately. They are often used by open-source projects and other multi-developer projects to handle various versions. They help developers submit patches of code in an organized fashion. Often these web sites support version control, bug tracking, release management, mailing lists, and wiki-based documentation.
People who write software retain their copyright when their software is posted to any code hosting facilities, including the "non-gnu" section of GNU Savannah—with the exception of contributors to FSF-copyrighted programs at GNU Savannah.[1][2][3]
Overview
General information
| Name | Manager | Established | Notes | Countries blocked | Server side: all free software | Client side: non-free JS code | Developed and/or used CDE | Require free software on registration | Ad-free | Cost |
|---|---|---|---|---|---|---|---|---|---|---|
| Alioth | Debian Project | 2003 | Preference for Debian related projects | Yes | No | FusionForge | ? | Yes | Gratis | |
| Assembla | Assembla, Inc | 2005 | No | ? | ? | No | Yes | 15-day free trial. Commercial projects with customizable sets of tools and features. | ||
| Beanstalk | Wildbit | 2007 | No | ? | ? | No | Yes | Gratis for one repository | ||
| BerliOS | FOKUS[4] | 2000 | Abandoned in April 2014[5] | Yes | ? | BerliOS | No | No | Gratis | |
| Betavine | Vodafone | 2007 | No | ? | ? | No | No | Gratis | ||
| Bitbucket | Atlassian | 2008 | No | Yes | ? | No | Yes | Free private repositories are limited to 5 users | ||
| CloudForge | Collabnet | 2000 | No | ? | ? | No | Yes | No | ||
| CodePlex | Microsoft | 2006 (May) | No | ? | ? | No | Yes | Gratis | ||
| Fedora Hosted | Fedora Project | ? | Yes | Yes | ? | No | Yes | ? | ||
| Freepository | ? | 1999 | Yes | Yes | ? | ? | Yes | Gratis accounts have web access only. | ||
| GitHub | GitHub, Inc | 2008 (April) | No | yes | ? | No | Yes | Gratis for public, paid for private. | ||
| Gogs | Gogs Team | 2014 (Feb) | ? | Yes | ? | No | Yes | Free | ||
| GitLab | GitLab B.V. | 2011 (September)[6] | No | yes | GitLab Community Edition (CE) free software, GitLab Enterprise Edition (EE) proprietary | No | Yes | Unlimited public and private repos, unlimited public and private collaborators[7] | ||
| Gitorious | Powow AS[8] | 2008 (January) | Acquired by GitLab. gitorious.org will shut down end of May 2015 [9] | Yes | Yes | ? | No | Yes | ? | |
| Gna! | The Gna! people | 2004 (January) | Only for free software projects. Code access review[10] | Yes | no | Savane | Yes | Yes | Gratis | |
| GNOME Git Repositories | GNOME Foundation | 2008 | Accessing this resource is only granted to developers requesting explicit permission to existing GNOME module maintainers. | Yes | No | Cgit | No | Yes | Gratis, but limited to a set of pre-approved developers, see Notes. | |
| GNU Savannah | Savannah Administration | 2001 (January) | Project by the Free Software Foundation and projects with a GPL compatible license. Code access review[11] | Yes | no | Savane | Yes | Yes | Gratis | |
| Google Code | 2006 (July) | Closing (new project creation disabled March 12, 2015). [12] | Cuba, Iran, North Korea, Sudan, Syria[13] | No | Yes | ? | No | Yes | ? | |
| JavaForge | Intland Software | 2005 | For open-source projects only. | No | No | ? | No | Yes | Gratis | |
| Launchpad | Canonical Ltd. | 2004 | Supports only Bazaar for version-controlled repository hosting. | Yes | Yes | Launchpad | No | Yes | ? | |
| Ourproject.org | Comunes Collective | 2002 | For free software, free culture and free knowledge projects. | Yes | Yes | ? | No | Yes | Gratis | |
| OW2 Consortium | OW2 Consortium | ? | oriented on middleware technology. | ? | Yes | ? | No | Yes | ? | |
| SEUL | ? | 1997 (May) | ? | Yes | ? | No | Yes | ? | ||
| SourceForge | Dice Holdings | 1999 (November) | For open-source projects only.[14] | Cuba, Iran, North Korea, Sudan, Syria[15] | Yes[16][17] | No | Apache Allura | No | No | Gratis, commercial services are offered as well |
| Tigris.org | (community) | 2000 | Restricted to collaborative software development tools. Tigris.org is no longer accepting new project proposals. | ? | Yes | ? | No | No | ? |
Features
| Name | Code review | Bug tracking | Web hosting | Wiki | Translation system | Shell server | Mailing List | Forum | Personal branch | Private branch | Announce | Build system | Team | Release Binaries | Self-hosting |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alioth | No | Yes | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes | No | No | ? | Yes |
| Assembla | Yes[18] | Yes | Yes | Yes | Yes | No | No | No | Yes | Yes[19] | Yes | Yes | Yes | ? | No |
| Beanstalk | Yes[20] | No | No | No | No | No | No | No | Yes | Yes | No | No | Yes | No | No |
| BerliOS | ? | Yes | Yes | Yes[n 1] | ? | Yes | Yes | Yes | ? | ? | Yes[21] | ? | ? | ? | Yes |
| Bitbucket | Yes[22] | Yes[n 2] | Yes[23] | Yes | No | No | No | No | Yes | Yes[n 3] | No | No | Yes | Yes | Commercially (Stash)[n 4] |
| CloudForge | ? | Yes | Yes | Yes | No | No | No | No | ? | ? | ? | ? | ? | ? | No |
| CodePlex | No | Yes | No | Yes | No | No | Yes | Yes | No | No | No | No | No | Yes | No |
| Fedora Hosted | Yes | Yes | No | Yes | No | No | No | No | No | No | No | No | No | ? | ? |
| GitHub | Yes[24] | Yes[25][n 5] | Yes | Yes | No | No | No | No | Yes | Yes[n 6] | Yes | 3rd-party (e.g. Travis CI and Appveyor) | Yes | Yes | Commercially (GitHub Enterprise) |
| GitLab | Yes[26] | Yes | Yes | Yes | No | No | No | No | Yes | Yes | Yes | Yes[27] | Yes | No | Yes[n 7] |
| Gitorious | Yes | No | No | Yes | No | No | No | No | Yes | No | No | No | Yes | Yes | Yes |
| Gna! | ? | Yes | Yes | No | Yes | ? | Yes | No | ? | No | ? | No | ? | ? | Yes |
| GNOME Git Repositories | No | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | No |
| GNU Savannah | Yes[28] | Yes | Yes | No | No | Yes | Yes | No[29] | No | No | Yes | No | Yes | ? | Yes |
| Google Code | Yes | Yes | No | Yes | No | No | No | No | Yes[n 8] | No | No | No | No | No longer for new projects[n 9] | No |
| JavaForge | Yes[30] | Yes | Yes | Yes | No | No | No | Yes | No | No | Yes | Yes | Yes | ? | No |
| java.net/Project Kenai | ? | Yes | Yes | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | No |
| Launchpad | Yes | Yes | No | No | Yes | No | Yes | No | Yes | Yes[n 10] | Yes | Yes[n 11] | Yes | ? | Yes |
| Ourproject.org | ? | Yes | Yes | Yes | No | ? | Yes | Yes | ? | ? | ? | ? | ? | ? | Yes |
| SourceForge | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes |
| tigris.org | No | Yes | Yes | Yes | No | No | Yes | Yes | Yes | Yes | Yes | No | ? | No longer for new projects[n 12] | No |
| Name | Code review | Bug tracking | Web hosting | Wiki | Translation system | Shell server | Mailing List | Forum | Personal branch | Private branch | Announce | Build system | Team | Release Binaries | Self-hosting |
Other features
- Alioth: Sample Code, Help Wanted, Anonymous FTP
- Assembla: Ticket backlog planning, Ticket flow control (Cardwall), Ticket tags that allow a better tasks organization,[31] FTP, Time Tracking, StandUp Reporting, File Sharing, Google Docs Integration, API,[32] Scripts Execution through SSH (i.e. automated deploys on commits), Viewing source code as webpage, Highly customizable Webhooks, Custom Tabs that allow to view external websites inside the project,[33] Space Manager (tool for master/child relations between projects),[34] Merge Requests,[35] Protected Branches[36]
- Beanstalk: Deployments, Design Preview
- BerliOS: FTP, MySQL
- Bitbucket: OpenID, visualizations
- Codeplex: Windows Live ID
- GitHub: Public API,[37] static web-page hosting,[38] pastebin service Gist,[39] 3D model support,[40] support for OAuth 2.0 and SSH keys, Automatic Page Generator,[41] Graphs: Contributors, Commit Activity, Code Frequency, Punchcard, Pulse and Network Graph, email notifications
- Gitorious: OpenID[n 13]
- JavaForge: Public remote API, Document management
- Launchpad: Blueprints, Karma, Answer, Mail interface, public API, OpenID Provider, Non-project branch
- Open Build Service: public API
- SourceForge: Public API , Help Wanted, OpenID Relying Party, Piwik Web Analytics,[42] support for Media Wiki, Blog , Pastebin , Support for OAuth 1.0 with bearer tokens and SSH keys, option to write reviews about projects, Freenode IRC Channel, option to migrate Trac tickets, Network Graph, public feature requests and site support tickets for Sourceforge and Allura , email notifications
- tigris.org: public API, extensive help
Available version control systems
| Name | CVS | Git | Mercurial | SVN | GNU Bazaar | TFS | Arch | Perforce |
|---|---|---|---|---|---|---|---|---|
| Alioth | Yes | Yes | Yes | Yes | Yes | No | Yes | No |
| Assembla | No | Yes | No | Yes | No | No | No | Yes |
| Beanstalk | No | Yes | No | Yes | No | No | No | No |
| BerliOS | Yes | Yes[43] | Yes[44] | Yes | No | No | No | ? |
| Betavine | Yes | No | No | Yes | No | No | No | ? |
| Bitbucket | No | Yes | Yes | No | No | No | No | ? |
| CodePlex | No | Yes | Yes | Yes | No | Yes | No | ? |
| Fedora Hosted | No | Yes | Yes | Yes | Yes | No | No | ? |
| Freepository | No | No | No | Yes | No | No | No | ? |
| GitHub | No | Yes | No | Yes[45] | No | No | No | ? |
| GitLab | No | Yes | No | No | No | No | No | ? |
| Gitorious | No | Yes | No | No | No | No | No | ? |
| Gna! | Yes | No | No | Yes | No | No | No | No |
| GNOME Git Repositories | No | Yes | No | No | No | No | No | No |
| GNU Savannah | Yes | Yes | Yes | Yes | Yes[46] | No | Yes | No |
| Google Code | No | Yes | Yes | Yes | No | No | No | ? |
| java.net | No | Yes[47] | Yes[47] | Yes[47] | No | No | No | ? |
| JavaForge | Yes | Yes | Yes | Yes | No | No | No | ? |
| Launchpad | Import only | Import only[48] | Import only[49] | Import only | Yes | No | No | No |
| Ourproject.org | Yes | No | No | Yes | No | No | No | ? |
| OW2 Consortium | Yes | No | No | Yes | No | No | No | ? |
| SEUL.org | Yes | No | No | Yes | No | No | No | ? |
| SourceForge | Yes | Yes | Yes | Yes | No longer for new projects[50] | No | No | ? |
| Tigris.org | Yes | No | No | Yes | No | No | No | ? |
| Name | CVS | Git | Mercurial | SVN | GNU Bazaar | TFS | Arch | Perforce |
Popularity
| Name | Users | Projects | Prominent projects | Alexa rank (lower = more popular) |
|---|---|---|---|---|
| Alioth | 16,521[51] | 1,061[51] | SANE | N/A (subdomain not tracked) |
| Assembla | 800,000+[52] | 60,000+[53] | GXUnit, Hikarunix, HippoMocks, MadSwatter, SnakeYAML, Scala IDE | 6,010 as of 3 July 2014[54] |
| BerliOS | 52,811[55] | 4,863[55] | aMule, avidemux, SuperTux, LinCity-NG (before shutdown of BerliOS) | 54,107 as of 3 July 2014[56] |
| Bitbucket | 2,500,000 | 93,661[57] | OGRE, TortoiseHg, Codeigniter, Pylons, Sphinx | 2,696 as of 3 July 2014[58] |
| CodePlex | 151,782 | 36,472[59] | ASP.NET MVC Framework, Entity Framework, IronPython, Cosmos , PCSX-Reloaded | 2,392 as of 3 July 2014[60] |
| Fedora Hosted | ? | 411[61] | ||
| GitHub | 8,500,000[62] | 19,800,000+[62][n 1] | Ruby on Rails, IronRuby, jQuery, Moodle, Diaspora, node.js, NumPy, Spring Framework, PHP, Play Framework, Scala, SciPy, PPSSPP, Dolphin (emulator), HDNes, PCSX2, phpMyAdmin, Poedit, ReactOS, Retroarch, Nestopia, RPCS3, Xenia, Whonix | 97 as of 18 February 2015[63] |
| GitLab | 20,000[64] | 100,000+[64][n 1] | GitLab Community Edition (CE) | 24,485 as of 22 January 2015[65] |
| Gitorious | Unknown[n 14] | 33,750[66] | Qt, MeeGo, GNU social | 32,360 as of 3 July 2014[67] |
| Gna! | 8,511 | 1,437 | 130,683 as of 3 April 2015[68] | |
| GNU Savannah | 57,591[69] | 3,487[69] | Most GNU projects (including Emacs), QEMU, GNU IceCat | 54,672 as of 3 July 2014[70] |
| GNOME Git Repositories | Unknown[n 14] | 600+ | GNOME Apps, GIMP, GTK | N/A (subdomain not tracked) |
| Google Code | Unknown[n 14] | 250,000+[71] | Inferno, Android, Chromium , | N/A (subdomain not tracked) |
| JavaForge | 816,023 as of 4 April 2015[72] | |||
| Launchpad | 2,145,028[73] | 32,699[74] | Ubuntu, MySQL (code hosting), BlueBream (Zope 3) (bug tracking), Inkscape, Bazaar, GNOME Do, Drizzle, Launchpad, LiVES (translations) | 5,618 as of 3 July 2014[75] |
| Ourproject.org | Unknown[n 14] | 1,411[76] | Hispanic Critical Mass movement,[77][78] the Kune federated collaborative social network, the P2P Foundation workgroup, plenty of non-software free culture initiatives | N/A (subdomain not tracked) |
| SourceForge | 3,400,000+[79] | 324,000[79] | Inkscape (download hosting), LAME, MinGW, 7-Zip, Fluxbox, Audacity, ffdshow, EMule, FileZilla, LiVES, DeSmuME , BizHawk, Yabause, Mednafen, FCEUX, Nintendulator, Gambatte. | 213 as of 18 February 2015[80] |
| Tigris.org | Unknown[n 14] | 684 | Subversion,[n 15] TortoiseSVN, RapidSVN | 47,234 as of 3 July 2014[81] |
| Name | Users | Projects | Prominent projects | Alexa rank (lower = more popular) |
Specialized hosting facilities
The following are open-source software hosting facilities that only serve a specific narrowly focused community or technology.
| Name | Ad-free | CVS | Git | SVN | Arch | Notes |
|---|---|---|---|---|---|---|
| Drupal | Yes | No | Yes | No | No | Only for Drupal related projects. |
| freedesktop.org | Yes | No | Yes | No | No | Only for interoperability and shared base technology for free software desktop environments on Linux and other Unix-like operating systems, including the X Window System (X11) and cairo (graphics). |
| GNOME Git Repositories | No | No | Yes | No | No | Only for GNOME related projects. |
| mozdev | Yes | Yes | ? | No | No | Only for Mozilla related projects. |
| OCamlForge | Yes | Yes | Yes | Yes | Yes | Only for Ocaml related projects |
| RubyForge | Yes | Yes | Yes | Yes | No | Only for Ruby related projects |
| Name | Ad-free | CVS | Git | SVN | Arch | Notes |
See also
- Forge (software)
- Revision control (source code management) systems
- Source code escrow for closed source software
- Distributed revision control
- List of revision control software
- Comparison of revision control software
- List of free software project directories
Notes
- ↑ 1.0 1.1 1.2 One common wiki for all projects
- ↑ Anyone can submit Bug Reports without logging in.
- ↑ private branch limited to 5 users on free plan, see Pricing and plans — bitbucket.org
- ↑ Self hosted version is known as Stash and only supports Git repositories
- ↑ Requires one to log in to report a Bug.
- ↑ private branches are only available with paid plans, not with the free plan, see Plans and Pricing GitHub
- ↑ Has an open source Community Edition and commercial Enterprise Edition
- ↑ git and mercurial only
- ↑ deprecated, see A Change to Google Code Download Service
- ↑ Currently only available for security vulnerability updates
- ↑ Ubuntu
- ↑ deprecated, see
- ↑ site is open source, see Gitorious' code on Gitorious
- ↑ 14.0 14.1 14.2 14.3 14.4 Data not available.
- ↑ Bug tracking only, as a legacy service after the Subversion project migrated to the Apache Software Foundation.
References
- ↑ Frequently Asked Questions about the GNU Licenses - GNU Project - Free Software Foundation. Gnu.org (2014-10-18). Retrieved on 2015-04-01.
- ↑ Sourceforge. "terms of use". says "PLEASE NOTE THAT YOU RETAIN OWNERSHIP OF ANY COPYRIGHTS, ... IN ANY CONTENT YOU SUBMIT."
- ↑ Github. "Github terms of service". says "We claim no intellectual property rights over the material you provide to the Service."
- ↑ BerliOS – The Open Source Mediator
- ↑ BerliOS Developer: New berliOS portal launched. Web.archive.org. Retrieved on 2015-04-01.
- ↑ "About". GitLab.com. Retrieved 16 August 2013.
- ↑ "GitLab Cloud". GitLab.com. Retrieved 10 February 2014.
- ↑ Mathiesen, Marius. "Powow AS acquires Gitorious AS « The Gitorious Blog". Retrieved 3 September 2013.
- ↑ GitLab acquires Gitorious to bolster its on premises code collaboration platform | GitLab. About.gitlab.com (2015-03-03). Retrieved on 2015-04-01.
- ↑ Step 1: Services and Requirements [Gna!]. Gna.org. Retrieved on 2015-04-01.
- ↑ Hosting requirements [Savannah]. Savannah.gnu.org. Retrieved on 2015-04-01.
- ↑ Bidding farewell to Google Code. Retrieved on 2015-03-11.
- ↑ Google Project Hosting – Google Code. Code.google.com (20 July 2006). Retrieved on 2010-11-26.
- ↑ "About (SourceForge)". SourceForge. Retrieved 2013-08-25.
- ↑ Terms_of_Use – sitelegal. Sourceforge.net (19 October 2009). Retrieved on 2010-11-26.
- ↑ "About Allura". SourceForge. Retrieved 2013-08-25.
- ↑ "The Next SourceForge". SourceForge. Retrieved 2013-08-25.
- ↑ Assembla Merge Requests
- ↑ Pricing/Plans — assembla.com
- ↑ — Introducing Code Review
- ↑ BerliOS Developer: Welcome. Developer.berlios.de. Retrieved on 2013-09-21.
- ↑ — Using Mercurial Queues And Bitbucket.org
- ↑ Publishing a Website on Bitbucket - Bitbucket - Atlassian Documentation. Confluence.atlassian.com. Retrieved on 2013-09-21.
- ↑ GitHub Pull Requests
- ↑ no file attachments, but images can be embedded GitHub Issue Tracker — GitHub
- ↑ - GitLab features
- ↑ GitLab CI
- ↑ From Savannah's Maintenance Docs, How To Get Your Project Approved Quickly: "The review we do can be lengthy and difficult for both the submitter and the reviewer. Be sure to follow these steps; if your project doesn't comply with our requirements, we will ask you to make changes to your project or register again. This ensures a level of quality for projects hosted at Savannah, and even more important, raises awareness of these legal and philosophical issues related to free software."
- ↑ From Savannah's documentation, this feature is deprecated. See
- ↑ Integrator Workflow: Pull Requests – codeBeamer Knowledge Base
- ↑ Ticket Tags explanation
- ↑ Assembla API documentation
- ↑ How to Focus your Team with Custom Tabs
- ↑ Space Manager announcement
- ↑ Advanced Merge Requests for Git
- ↑ Introducing Protected Branches
- ↑ GitHub API docs
- ↑ GitHub pages
- ↑ Gist is a pastebin service operated by GitHub
- ↑ STL File Viewing
- ↑ Creating Pages with the automatic generator - User Documentation. Help.github.com. Retrieved on 2015-04-01.
- ↑ Forge / Documentation / Docs Home. Sourceforge.net (2013-05-30). Retrieved on 2015-04-01.
- ↑ News, BerliOS Project (5 July 2008), BerliOS provides GIT Source Control Management, retrieved 2008-12-10
- ↑ News, BerliOS Project (5 July 2008), BerliOS provides Mercurial (HG) Source Control Management, retrieved 2008-12-10
- ↑ Collaborating on GitHub with Subversion 路 GitHub. Github.com (2012-06-26). Retrieved on 2015-04-01.
- ↑ Savannah Support Request, sr #106417 (24 October 2008), GNU Bazaar on Savannah, retrieved 2008-12-10
- ↑ 47.0 47.1 47.2 "java.net Managing a Project: Source Code Repository". 8 February 2013. Retrieved 22 February 2013.
- ↑ Launchpad supports Git imports.
- ↑ Accessing Git, Subversion and Mercurial from Bazaar.
- ↑ SourceForge docs for bazaar, Bazaar is no longer available for new projects, they only offer limited support for Bazaar for projects previously using it on the Classic SourceForge system (2013-07-01).
- ↑ 51.0 51.1 "Alioth: Welcome". alioth.debian.org. Retrieved 2014-07-03.
- ↑ Assembla: Home
- ↑ "Assembla integrates with Basecamp and offers workspaces and portfolios for distributed agile development teams". 37signals. 6 March 2009.
- ↑ "How popular is assembla.com?". alexa.com. Alexa Internet. Retrieved 2014-07-03.
- ↑ 55.0 55.1 BerliOS Developer Portal
- ↑ "How popular is berlios.de?". alexa.com. Alexa Internet. Retrieved 2014-07-03.
- ↑ Repository List
- ↑ "How popular is bitbucket.org?". alexa.com. Alexa Internet. Retrieved 2014-07-03.
- ↑ CodePlex – CodePlex – Project Directory
- ↑ "How popular is codeplex.com?". alexa.com. Alexa Internet. Retrieved 2014-07-03.
- ↑ Fedora Hosted project list. Retrieved on 2013-05-22.
- ↑ 62.0 62.1 GitHub Press Page. Retrieved on 2015-02-18.
- ↑ "How popular is github.com?". alexa.com. Alexa Internet. Retrieved 2015-02-18.
- ↑ 64.0 64.1 The hardware that powers 100,000 git repositories. Retrieved on 2011-01-22.
- ↑ "How popular is gitlab.com?". alexa.com. Alexa Internet. Retrieved 2015-01-22.
- ↑ Projects. Gitorious.org. Retrieved on 2013-10-29.
- ↑ "How popular is gitorious.org?". alexa.com. Alexa Internet. Retrieved 2014-07-03.
- ↑ "How popular is gna.org?". alexa.com. Alexa Internet. Retrieved 2015-04-03.
- ↑ 69.0 69.1 Statistics – Savannah. gnu.org. Retrieved 2011-09-30.
- ↑ "How popular is nongnu.org?". alexa.com. Alexa Internet. Retrieved 2014-07-03.
- ↑ Rosenberg, Jonathan (21 December 2009). "The meaning of open". Official Google blog.
- ↑ "How popular is launchpad.net?". alexa.com. Alexa Internet. Retrieved 2015-04-04.
- ↑ People and teams in Launchpad. launchpad.net. Retrieved 2013-01-02.
- ↑ Projects registered in Launchpad. launchpad.net. Retrieved 2013-01-02
- ↑ "How popular is launchpad.net?". alexa.com. Alexa Internet. Retrieved 2014-07-03.
- ↑ , Accessed March 8, 2014
- ↑ "Spanish bicycle Critical Mass movement". March 8, 2014.
- ↑ Caprarelli, Giuseppe (2007). "A Plus in Quality of Life". Workshop 3a: Self-Organized European Bike Workshops. Rome, Italy.
- ↑ 79.0 79.1 "What is SourceForge.net?" sourceforge.net.
- ↑ "How popular is sourceforge.net?". alexa.com. Alexa Internet. Retrieved 2015-02-17.
- ↑ "How popular is tigris.org?". alexa.com. Alexa Internet. Retrieved 2014-07-03.
External links
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