Comparison of issue-tracking systems
Notable issue tracking systems , including bug tracking systems , help desk and service desk issue tracking systems, as well as asset management systems, include the following. The comparison includes client-server application, distributed and hosted systems.
General
System names listed with a light purple background are no longer in active development.
System
Creator
License
Implementation language(s)
Back end
Launch date
Latest stable release
Latest release date
Apache Bloodhound
Apache Software Foundation
Apache License
Python
MySQL , PostgreSQL , SQLite
2012[ 1]
0.8[ 2]
2013-08-23; 12 years ago
Apache Allura
Apache Software Foundation
Apache License 2.0
Python
MongoDB
2022[ 3]
1.17.1[ 4]
2024-06-17; 13 months ago
Assembla Tickets
Assembla
Proprietary , hosted. Available for free for open source projects
Ruby
MySQL
2008
Axosoft
Axosoft LLC
Proprietary , Saas
C# , .NET
SQL Server
2002
Azure DevOps Server (Team Foundation Server)
Microsoft
Proprietary, Commercial
.NET
MS SQL Server 2005 & 2008
2005
Bugzilla
Mozilla Foundation
MPL
Perl
MySQL , Oracle , PostgreSQL , SQLite [ 5]
1998-09-19
5.2[ 6]
2024-09-03; 11 months ago
Debbugs
Debian
GPL
Perl
Flat file , Berkeley DB indexes[citation needed ]
Between 1994 and 1999[ notes 1]
Dolibarr
Dolibarr community
GPL
PHP
MariaDB , MySQL , PostgreSQL , SQL Server (experimental)[ 7]
2018
21.0.1[ 8]
2025-04-06; 3 months ago
Faveo Helpdesk
Ladybird Web Solution
Open Software License
PHP
MariaDB , MySQL [ 9]
2015
FogBugz
Glitch
Proprietary , Saas
ASP on Windows , PHP on macOS , FreeBSD , and Linux
SQL Server , MySQL
2000
Fossil
D. Richard Hipp
BSD
C
SQLite [ 10]
2006
2.26[ 11]
2025-04-30; 3 months ago
FusionForge
Various (open source contributors)
GPLv2
PHP
PostgreSQL
2009-02
GLPI
INDEPNET
GPLv2
PHP
MariaDB , MySQL [ 12]
2003-11-17
GNATS
Free Software Foundation
GPL
C , Web Front-end In Perl
Text files with custom daemon/search engine
1992
4.2.0[ 13]
2015-02-26; 10 years ago
Helix ALM (aka TestTrack)
Perforce Software
Proprietary
C++ , Qt5 , JavaScript
Oracle , PostgreSQL , SQL Server , SQLite
1996
2024.1 [ 14]
2024-03-01; 17 months ago
HP Quality Center
Hewlett-Packard , formerly Mercury Interactive
Proprietary
.NET (client), Java (server)
Oracle , SQL Server
1995
Jira
Atlassian
Proprietary. Free community licenses for open source and academic projects
Java
MySQL , PostgreSQL , Oracle , SQL Server
2002
10.1.1[ 15]
2024-10-09; 2025-05-30; Error: first parameter cannot be parsed as a date or time.
Launchpad
Canonical Ltd.
AGPL
JavaScript , Python
PostgreSQL
2004-01
MantisBT
Various (open source contributors)
GPL
PHP
MariaDB , MySQL , PostgreSQL , SQL Server (experimental), Oracle (experimental)[ 16]
2000
2.27.1[ 17]
2025-03-01; 5 months ago
Microsoft Dynamics CRM
Microsoft
Proprietary, Commercial
.NET
Microsoft SQL Server
2003
OpenProject
OpenProject Foundation e.V.
GPL
Ruby , JavaScript
PostgreSQL [ 18]
2010
org-mode
Carsten Dominik
GPL
Emacs
Flat file
2003
OTRS
OTRS
Proprietary
Perl , JavaScript
MySQL , PostgreSQL , Oracle , SQL Server
2002
Phabricator
Facebook
Apache License
PHP
2010
Redmine
Jean-Philippe Lang
GPLv2
Ruby
MySQL , PostgreSQL , SQLite
2006
6.0.6[ 19]
2025-07-07; 27 days ago
Request Tracker
Best Practical Solutions, LLC
GPLv2
Perl
MariaDB , MySQL , PostgreSQL , Oracle , SQLite (testing only)[ 20]
1999-10-13
6.0.0[ 21]
2025-05-28; 2 months ago
Roundup
Ka-Ping Yee, Richard Jones
MIT license (ZPL v 2.0 for the template system)
Python
SQLite , MySQL , PostgreSQL ,[ 22] anydbm
2001
2.5.0[ 23]
2025-07-13; 21 days ago
StarTeam
originally Starbase Corporation, currently Borland
Proprietary
C++ , Java , etc.
SQL Server recommended, Oracle , IBM Db2 supported
Unknown
Supportworks
Hornbill Systems
Proprietary
C++ and PHP
SQL Server , MySQL , Oracle , Sybase
1994[ 24]
SysAid
SysAid Technologies
Proprietary
C# , Java
Derby , Microsoft SQL Server , MySQL , Oracle
2002
Trac
Edgewall Software
New BSD
Python
SQLite , PostgreSQL , MySQL [ 25]
2006-10-01
TrackerSuite.Net
Automation Centre
Proprietary
C#
SQL Server , SQL Server Express
2006
Trello
Atlassian
Saas
Node.js
MongoDB
2011
Tuleap
enalean
GPLv2
php
MySQL [ 26]
2011
Twproject
Open Lab
Proprietary , some parts LGPL
Java
all relational (uses Hibernate )
2003
Wrike
Wrike, Inc.
Proprietary, hosted
Java
PostgreSQL
2006
YouTrack
JetBrains s.r.o.
Proprietary , stand-alone and hosted, free version, free for open source projects
Java
JavaScript and Kotlin
2009
Zammad
Zammad GmbH
AGPL
Ruby
MariaDB , MySQL , PostgreSQL [ 27]
2016[ 28]
6.5[ 29]
2025-04-02; 4 months ago
System
Creator
License
Implementation language(s)
Back end
Launch date
Latest stable release
Latest release date
Features
System
Documentation integration/generation, reporting
Test planning integration
Customizable workflow
Unicode support
Custom fields
SLA[ 30]
Plugin API[ 31]
Multiple projects
Full-text search
Indexed full-text search
Indexed file search
Edit conflict warning
Apache Bloodhound
Yes, integrated wiki
Yes
Yes
Yes
Yes
No
Yes
Yes (as of 0.6)
Yes
Yes[ 32] uses Whoosh
No
No
Assembla Tickets
Yes, Wiki syntax, email notification, linking to Subversion commits, document manager, charts, reports, notifications
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Unknown
No
No
Axosoft
Yes, Team Wiki, Burndown, GitHub and TortoiseSVN integration, dashboards, custom reports for OnPremises, e-mail notifications and alerts, customer portal, RSS
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Azure DevOps Server (Team Foundation Server)
Yes - workflow definitions, process documentation
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Bugzilla
Yes, reporting: integrated reports and charts, scheduled reports by mail
Yes[ 33]
Yes
Yes
Yes
No
Yes
Yes
Yes[ 34]
Yes When using MySQL MyISAM[ 35] or Oracle Database [ 36] but not PostgreSQL[ 37]
Yes[ 38]
Debbugs
No
No
No
Yes
No
No
No
Unknown
No
No
Faveo Helpdesk
Yes, Integrated Social Media, In-built Knowledge Base and Reporting
No
Yes
Yes
Yes
Yes
Yes
—
Yes
No
No
No
FogBugz
Yes, Integrated wiki
No
Yes
Yes
Yes
No
Yes[ 39]
Yes
Yes[ 40]
Yes[ 41]
No[ 42]
Yes
Fossil
Yes, Integrated Wiki in addition to integrated versioned project documentation via web ui.
No
No
No
Yes
No
No
Yes[ 43]
No[ 44]
No
No
FusionForge
Yes, integrated Mediawiki, discussion forums, news blogs, email integration, export to CSV, reporting graphs
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
GLPI
Yes, Contains a proprietary knowledge base of sorts
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
GNATS
No
No
No
No
No
No
No
Unknown
No
Helix ALM
Yes - Advanced reporting, integrated charts, export to Excel, workflow with triggers
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
HP Quality Center
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
No
No
No
Jira
Yes, Dashboard with reporting widgets (Open Social) Excel, Word, customizable charts, Confluence (Enterprise wiki)
Yes[ 45]
Yes
Yes
Yes
Yes
Yes[ 46]
Yes
Yes[ 47]
Yes Uses Lucene [ 47]
Optional[ 48]
No[ 49]
Launchpad
Yes
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
No
MantisBT
Yes, Integration of MediaWiki , DokuWiki , XWiki
No
Yes
Yes
Yes
No
Yes
Yes
Yes[ 50]
Yes
No[ 51]
Yes
Microsoft Dynamics CRM
Yes, reporting: integrated charts and reports, export to Excel, Mail Merge
No
Yes
Yes
Yes
No
Yes
Unknown
No
org-mode
Yes, org-mode has built-in export to HTML, Latex, .md and literate programming capabilities for multiple languages in a single document
No
Yes
Yes
Yes
No
No
Yes
Yes
No
OTRS
Yes, Advanced reporting, configurable dashboards
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Phabricator
Yes, integrated wiki and limited burn down charts
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Redmine
Yes, integrated wiki, discussion forums, news blogs, email integration, calendars, Gantt Charts, RSS, export to PDF, export to Excel/CSV
Yes[ 52]
Yes
Yes
Yes
Optional[ 53]
Yes
Yes
Yes[ 54]
Optional, when using PostgreSQL[ 55]
Optional[ 56]
Yes[ 57]
Request Tracker
Yes, MediaWiki [ 58]
No
Yes
Yes
Yes
Yes[ 59]
Yes[ 60]
Yes
Yes[ 61]
Yes[ 61]
No
Roundup
Yes, wiki can be integrated or linked
No, can be implemented at tracker level
Yes
Yes
Yes
No, can be implemented at tracker level
Yes[ 62]
Yes
Yes[ 63]
Yes xapian, whoosh, SQLite FTS, PostgreSQL FTS, native
Yes
Yes
StarTeam
No
Yes[ 64]
Yes
No
Yes
No
No
Unknown
No
Supportworks
Yes - Integrated reporting wizard , customizable PHP reporting tool, dashboard, optional interface with Crystal Reports , export to Microsoft Excel /CSV , knowledge base , optional asset management tool
No
Yes
No
Yes
Yes
Yes[ 65]
Unknown
No
SysAid
Yes - LDAP /Email /Calendar integration, integrated Asset Management , integrated reporting, SSO , custom fields, export to CSV /PDF , KB
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Unknown
No
No
Teamwork
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes[ 66]
Yes Uses Lucene
No
Trac
Yes, integrated wiki
Yes[ 67]
Yes
Yes
Yes
No
Yes[ 68]
Yes[ 69]
Yes
No[ 70]
Yes[ 71]
TrackerSuite.Net
Yes. Dashboards. Graphical reports. Integration with Crystal Reports . Reports can be exported to Microsoft Excel .
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
No
Tuleap
Yes, Kanban boards, Scrum planning and burndown charts, pies, Gantt, barrs, cardwall, Document Manager with approval workflow and fine grained permissions, wikis
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes with plugin fulltext
Yes with plugin fulltext
No
No
Wrike
Yes, real-time customized reports, export to Excel, scheduled reports by mail, alerts, discussions, Gantt charts ,
No
Yes
Yes
Yes
No
Yes
Yes
Unknown
Yes
YouTrack
Yes: Wiki syntax, custom workflow, custom issue attributes, notifications (email, jabber, RSS, etc.), email integration, reports, export to HTML and CSV, integration with VCSs.
Yes[ 72]
Yes
Yes
Yes
Yes[ 73]
Yes[ 74]
Yes
Yes[ 75]
Yes (Uses Lucene )
No
Zammad
Yes: Documentation integration/generation, reporting: integrated knowledge base, dashboard
No
No
Yes
Yes
Yes[ 76]
Yes
Yes
Yes[ 77]
Yes
Yes
Yes[ 78]
System
Dynamic documentation integration/generation
Test planning integration
Customizable workflow
Unicode support
Custom fields
SLA[ 30]
Plugin API[ 31]
Multiple projects
Full-text search
Indexed full-text search
Indexed file search
Edit conflict warning
Notification interfaces
Revision control system integration
Authentication methods
System
Form based
Public key cryptography
Two-factor
OpenID
OAuth
LDAP
Shibboleth
Others
Apache Bloodhound
Yes
Optional[ 114]
No
Optional[ 115]
No
Yes
Unknown
No
Assembla Tickets
Yes
No
No
Yes
Yes
Yes (private version)
Unknown
Unknown
Axosoft
Yes
No
No
No
No
Yes
No
No
Bugzilla
Yes
No
No
Optional[ 116]
No
Yes
Unknown
No
Debbugs
No
No
No
No
No
No
No
No
Faveo Helpdesk
Yes
No
No
No
Yes
Yes
No
No
FogBugz
Yes
Unknown
Unknown
Unknown
Unknown
Yes
Unknown
Unknown
Fossil
Unknown
Unknown
Unknown
Unknown
Unknown
No
Unknown
Unknown
FusionForge
Yes
No
No
Yes
No
Yes
No
Yes, CAS
GLPI
Yes
No
Yes
No
No
Yes
No
No
GNATS
Unknown
Unknown
Unknown
Unknown
Unknown
No
Unknown
Unknown
Helix ALM
Yes
Optional
No
Optional
No
Yes
No
Yes - custom DLL, SAML
HP Quality Center
No
No
No
No
No
Yes
No
Unknown
Jira
Yes
No
No
Yes
Yes
Yes
Yes, via plugin[ 117] [ 118]
Yes, via Crowd[ 119]
MantisBT
Yes
No
No
Yes[ 120]
Yes[ 121]
Yes
Unknown
No
Microsoft Dynamics CRM
Unknown
Unknown
Unknown
Unknown
Unknown
Yes
Unknown
Unknown
org-mode
Unknown
Unknown
Unknown
Unknown
Unknown
No
Unknown
Unknown
OTRS
Yes
Yes
Yes
Unknown
Unknown
Yes
Unknown
Unknown
Phabricator
Yes
No
Yes
No
Yes
Yes
No
No
Redmine
Yes
Yes[ 122]
Yes
Yes[ 123]
No
Yes
Yes, via Apache (using mod_rails)
No
Request Tracker
Yes
Unknown
Unknown
Yes[ 124]
Unknown
Yes[ 125]
Unknown
Yes[ 126]
Roundup
Yes
Unknown
Yes[ 127]
Yes[ 128]
Unknown
Yes
Yes[ 129]
Yes[ 130]
StarTeam
Unknown
Unknown
Unknown
Unknown
Unknown
No
Unknown
Unknown
Supportworks
Unknown
Unknown
Unknown
Unknown
Unknown
Yes
Unknown
Unknown
SysAid
Yes
No
No
No
No
Yes
No
Yes, CAS
Team Foundation Server
Unknown
Unknown
Unknown
Unknown
Unknown
Yes
Unknown
Unknown
Trac
Yes
Optional[ 114]
No
Optional[ 115]
No
Yes
Unknown
No
TrackerSuite.Net
Yes
No
No
No
No
Yes
No
No
Tuleap
Yes
No
No
Yes
Yes
Yes
No
No
Twproject
Yes
Unknown
Unknown
Unknown
Unknown
Yes
Unknown
Yes, Simple container auth.
Wrike
Unknown
Unknown
Unknown
Unknown
Unknown
Yes
Unknown
Unknown
YouTrack
Yes
No
Yes
Yes
Yes
Yes
Unknown
Yes: JIRA account
Zammad
Yes
No
No
No
Yes
Yes
Yes
Yes: Twitter , Facebook , Google , Microsoft 365
System
Form based
Public key cryptography
Two-factor
OpenID
OAuth
LDAP
Shibboleth
Others
Containers
See also
Notes
^ Debian's bug tracking system was in place as soon as 1994 according to Ian Jackson's Debbugs webpage. However, Debbugs, as a generic ITS engine, was only uploaded to Debian as version 1 in January 1999.
^ The Ruby on Rails console can be used to manually create tickets or replies
References
^ "The Apache Bloodhound Open Source Project on Ohloh" . 2013-04-06. Archived from the original on 6 April 2013. Retrieved 2022-06-07 .
^ "[ANNOUNCE] Apache Bloodhound 0.1.0 incubating Released" . Retrieved April 2, 2013 .
^ "Apache Allura Open Source project Hosting Platform" . bugzilla.readthedocs.io . Retrieved 2022-11-29 .
^ "Release 1.17.1" . 17 June 2024. Retrieved 21 July 2024 .
^ "3.6. Database Server — Bugzilla 5.1.2+ documentation" . bugzilla.readthedocs.io . Retrieved 2022-06-07 .
^ "5.2" . 3 September 2024. Retrieved 6 November 2024 .
^ "Dolibarr Open Source ERP and CRM wiki documentation" . wiki.dolibarr.org . Retrieved 2022-06-07 .
^ "Release 21.0.1" . 6 April 2025. Retrieved 24 April 2025 .
^ Ltd, Ladybird Web Solution Pvt. "Faveo Installation Guide" . Faveo Installation Guide . Retrieved 2022-06-07 .
^ "Fossil: Glossary" . www.fossil-scm.org . Retrieved 2022-07-01 .
^ "Changes for version 2.26" .
^ "Prerequisites — GLPI 9.5 documentation" . glpi-install.readthedocs.io . Retrieved 2022-06-07 .
^ Chad Walstrom (3 March 2015). "GNU GNATS 4.2.0 Released!" . Retrieved 28 September 2022 .
^ "Helix ALM Release Notes" . Retrieved May 2, 2024 .
^ "Jira Software 10.1.x release notes" .
^ "Admin Guide" . www.mantisbt.org . Retrieved 2022-02-23 .
^ "Release 2.27.1" . 1 March 2025. Retrieved 27 March 2025 .
^ "System requirements" . OpenProject.org . Retrieved 2022-06-07 .
^ "Release 6.0.6" . 7 July 2025. Retrieved 15 July 2025 .
^ "README - RT 5.0.2 Documentation - Best Practical" . docs.bestpractical.com . Retrieved 2022-06-07 .
^ "Release 6.0.0" . 28 May 2025. Retrieved 1 June 2025 .
^ "Installing Roundup - Roundup 2.5.0 documentation" . www.roundup-tracker.org . Retrieved 2023-11-28 .
^ "Roundup 2.5.0 release announcement (including security fix)" . 13 July 2025.
^ "Hornbill Systems: Support Works Helpdesk" . 1998-02-07. Archived from the original on February 7, 1998. Retrieved 2010-03-07 .
^ "TracInstall – The Trac Project" . trac.edgewall.org . Retrieved 2022-06-07 .
^ "Requirements — Tuleap latest version documentation" . docs.tuleap.org . Retrieved 2023-11-28 .
^ "Software — Zammad documentation" . docs.zammad.org . Retrieved 2022-06-07 .
^ "Company Identity and Milestones | Zammad" . Zammad Website . Retrieved 18 December 2020 .
^ https://zammad.com/de/releases/6-5 . Retrieved 13 April 2025 .
^ a b System supports service level agreement management
^ a b System has a plugin API to allow integration with other products
^ "BloodhoundSearch – Apache Bloodhound" . Archived from the original on 2013-09-10. Retrieved 2013-04-23 .
^ "Testopia is a test case management extension for Bugzilla" . Mozilla.org. 2010-10-05. Retrieved 2011-10-21 .
^ "New Features in 2.18 :: Bugzilla" . bugzilla.org. 2006-10-02. Retrieved 2011-11-16 .
^ "Bug 232612 - enable boolean mode fulltext searches" . Bugzilla.mozilla.org. Retrieved 2011-10-21 .
^ "Bug 310717 - Oracle Bugzilla::DB::Oracle module" . Bugzilla.mozilla.org. Retrieved 2011-10-21 .
^ "Bug 365258 - PostgreSQL Use tsearch2 for fulltext indexing when available" . Bugzilla.mozilla.org. Retrieved 2011-10-21 .
^ Bugzilla 3.4.2 Release Notes
^ "FogBugz - Features - Customizable Case List" . fogcreek.com. Archived from the original on 2013-07-05. Retrieved 2010-03-25 .
^ "Searching in FogBugz" . Fogcreek.com. Archived from the original on 2011-10-24. Retrieved 2011-10-21 .
^ "Searching in FogBugz - About the FogBugz Search Engine" . Fogcreek.com. Archived from the original on 2011-10-24. Retrieved 2011-10-21 .
^ "Feature Request: index content of certain attachments (e.g. Word documents) in Wiki articles" . Fogbugz.stackexchange.com. Archived from the original on 2012-03-02. Retrieved 2011-10-21 .
^ "Fossil Server command - running multiple instances" . fossil-scm.org. Retrieved 2011-01-11 .
^ "Fossil: To Do List" . Fossil-scm.org. Retrieved 2011-10-21 .
^ "Multiple vendors" . Confluence.atlassian.com. 2011-10-03. Retrieved 2011-10-21 .
^ "Plugins.atlassian.com" . Plugins.atlassian.com. Retrieved 2011-10-21 .
^ a b "JIRA - Performing Text Searches" . Confluence.atlassian.com. Retrieved 2011-10-21 .
^ "JIRA Searchable Attachments Plugin" . Studio.plugins.atlassian.com. Archived from the original on December 17, 2012. Retrieved 2011-10-21 .
^ Edit a JIRA Issue at the same time by two Users result in last save wins
^ "Mantis Feature List" . Mantisbt.org. 2011-02-16. Retrieved 2011-10-21 .
^ "0012319: Index attachments' content" . MantisBT. Retrieved 2011-10-21 .
^ Jenkins
^ Commercial plugin available (Redmine Reporting )
^ "Redmine" .
^ Free plugin available (Redmine PostgreSQL Search )
^ Added by Xabier Elkano about (2010-09-14). "Xapian search plugin" . Redmine. Retrieved 2011-10-21 .
^ Redmine Feature #8691 Better handling of issue update conflict
^ "Feature list" . Bestpractical.com. Retrieved 2011-10-21 .
^ Needs a third-party extension (RT-Extension-SLA )
^ RT can be extended through Perl extensions, see for example RTX:: modules on MetaCPAN.org
^ a b "Best Practical: What's New in 4: Fast full-text searching" . Blog.bestpractical.com. 2011-06-27. Retrieved 2011-10-21 .
^ "Roundup Design Detector Interface" . Roundup-tracker.org. Retrieved 2014-01-03 .
^ "Roundup Features" . Roundup-tracker.org. Retrieved 2011-10-21 .
^ Borland
^ 5005 API exists but is undocumented
^ "Smarter search and recent object functionality " teamwork's blog" . Blog.twproject.com. 2009-02-20. Retrieved 2011-10-21 .
^ "Test Manager plugin" . Retrieved 2014-01-03 .
^ "List of trac plugins" . Trac.edgewall.org. 2011-08-11. Retrieved 2011-10-21 .
^ "Trac 1.0" . Trac.edgewall.org. 2010-09-11. Retrieved 2014-01-03 .
^ "trac - Advanced Search - Indexing" . Trac.edgewall.org. 2010-04-10. Retrieved 2011-10-21 .
^ Trac #7145 Improve handling of conflicts due to concurrent ticket edits
^ "YouTrack integration with test management tools" . Confluence.jetbrains.net. 2010-08-02. Archived from the original on 2011-10-09. Retrieved 2011-10-21 .
^ "YouTrack Support Workflow and Response SLAs" . 7 October 2024.
^ "YouTrack integrates with other products via REST API" . Confluence.jetbrains.net. 2011-09-09. Archived from the original on 2013-01-23. Retrieved 2011-10-21 .
^ "YouTrack - Search for issues" . Jetbrains.com. Retrieved 2011-10-21 .
^ "SLAs and Escalations • Features | Zammad" . Zammad Website: SLA Feature . Retrieved 18 December 2020 .
^ "Fast Full-text Search • Features | Zammad" . Zammad Website: Full-text search Feature .
^ "Overview of Features | Zammad" . Zammad Features . Retrieved 18 December 2020 .
^ a b "List of Mylyn connector extensions" . Wiki.eclipse.org. 2011-08-23. Retrieved 2011-10-21 .
^ a b "Pluggable email handler for Trac" . Trac Hacks. Retrieved 3 April 2013 .
^ "email2trac utilities" . SURF SARA. Retrieved 28 February 2014 .
^ a b c "Tasktop Dev for Visual Studio" . Visual Studio Gallery. Archived from the original on 2016-08-22. Retrieved 2016-08-08 .
^ "XML-RPC doesn't work in IIS" . Mozilla. 7 December 2011. Archived from the original on 3 August 2014. Retrieved 21 March 2014 .
^ "HP ALM Explorer Add-in" . HP. Archived from the original on 2012-06-20. Retrieved 2012-03-23 .
^ "QcMylyn" . Sourceforge.net. 2010-11-15. Retrieved 2011-10-21 .
^ Using JIRA on a mobile device
^ By third-party extension: plugins.atlassian.com
^ Launchpadlib is a Python client library for the Launchpad RESTful API.
^ Feature #19097: Responsive layout for mobile devices - Redmine
^ "REST API for Request Tracker" . Wiki.bestpractical.com. Retrieved 2011-10-21 .
^ "XML-RPC access to Roundup" . roundup-tracker.org. Retrieved 11 November 2016 .
^ Through 5005 API, but is undocumented
^ #11953 (Responsive design for user interface) – The Trac Project
^ Introducing YouTrack Mobile
^ "Youtrack.mylyn.connector" . Alexander Marchuk. Archived from the original on 5 November 2014. Retrieved 5 November 2014 .
^ "Request Tracker RSS support" . Wiki.bestpractical.com. 2011-10-14. Retrieved 2011-10-21 .
^ a b "FeedGeneration" . wiki.roundup-tracker.org. 2009-02-01. Retrieved 2018-07-14 .
^ a b via the PerforcePlugin
^ via the Mercurial SCM Plug-In For Axosoft
^ "Git Bugzilla Extension" . Theoldmonk.net. 2007-06-03. Retrieved 2011-10-21 .
^ "Mercurial Bugzilla Extension" . Mercurial.selenic.com. 2010-08-28. Archived from the original on 2011-10-08. Retrieved 2011-10-21 .
^ Visual SourceSafe , Vault
^ Fossil
^ a b "Defect Tracking Gateway" . Perforce. Retrieved 2012-01-10 .
^ No diff, just virtual version numbers.
^ There is an unsupported plugin for associating issues with ClearCase check-ins for an outdated version of JIRA. ClearCase support through Atlassian FishEye has been removed in all versions since April 2012. End of Support Announcement for IBM ClearCase
^ Commit Policy Plugin integrates JIRA with Bitbucket Server (formerly known as Atlassian Stash), in addition to Subversion, Git and Mercurial.
^ via the SourceHgWeb plugin Archived 2012-03-02 at the Wayback Machine
^ newly supported
^ via the bzr-tfs plugin
^ via the SVNBridge
^ a b c d e f g Via TeamCity integration
^ Visual SourceSafe , Team Foundation Server , Borland StarTeam
^ a b "SSL Authentication Plugin" . giel. 2009-07-01. Retrieved 2010-05-27 .
^ a b "OpenID Authentication Plugin" . Dalius Dobravolskas. 2010-05-27. Archived from the original on 2010-06-02. Retrieved 2010-05-27 .
^ "Bugzilla:OpenID Auth Plugin" . Rob Lanphier. 2013-03-30. Retrieved 2015-05-07 .
^ "Jira 3.8" . Archived from the original on 2012-05-22. Retrieved 2012-08-01 .
^ "Jira 4.x" . Archived from the original on 2016-03-05. Retrieved 2020-07-26 .
^ "Connecting to Crowd or Another JIRA Server for User Management - JIRA 6.4 EAP - Atlassian Documentation" .
^ "MantisBT bug #8199: Add Open ID support" . MantisBT. 2009-01-15. Retrieved 2010-05-27 .
^ "MantisBT bug #11219: Provide OAuth inter-application authentication "tokens" mechanism" . MantisBT. 2010-05-27. Retrieved 2010-05-27 .
^ "Redmine SSL Auth plugin" . Jorge Bernal. 2010-01-09. Retrieved 2010-05-27 .
^ "Redmine Feature #699: OpenID login" . Redmine. 2009-02-11. Retrieved 2010-05-27 .
^ Needs a third-party extension (RT-Authen-OpenID on MetaCPAN.org )
^ Needs a third-party extension (RT::Authen::ExternalAuth )
^ See available extensions
^ HOTP/TOTP
^ developed by bugs.python.org team
^ See wiki page on ShibbolethLogin
^ Supports AUTHORIZATION header/var from front end authenticating web server/proxy.
^ "Bugzilla Docker image" .
^ "Bugzilla Helm chart" . GitHub . 10 April 2020.
^ "MantisBT Docker image" .
^ "Redmine Official Docker Image" .
^ "Bitnami redmine chart" .
^ "Roundup Tracker Docker Image" .
External links
Years indicate the date of first stable release.
Client-server
Distributed
SaaS -only