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; 4 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; 34 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; 28 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

Input interfaces

System	Web	Mobile web	Email	CLI	GUI	REST	SOAP	Mylyn [79]	Visual Studio	IntelliJ IDEA	Others
Apache Bloodhound	Yes	No	Optional [80] [81]	No	No	No	No	Yes	No	No	Yes XMLRPC
Assembla Tickets	Yes	No	Yes	Yes	No	Yes	No	Yes	No	Yes	No
Axosoft	Yes	No	Yes	No	Yes	Yes	Yes	No	No	No	Yes - iPhone
Bugzilla	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	No [82]	Yes	Yes XMLRPC [83]
Debbugs	No	No	Yes	Yes	No	No	No	No	No	No	No
Dolibarr	Yes	Yes	Yes	No	Yes	Yes	No	No	No	No	No
Faveo Helpdesk	Yes	No	Yes	No	No	Yes	No	No	No	No	Yes - Android App iOS App
FogBugz	Yes	No	Yes	Yes	No	Yes	No	Yes	No	Yes	Yes XML
Fossil	Yes	No	No	Yes	No	No	No	No	No	No	No
FusionForge	Yes	No	No	No	No	No	Yes	No	No	No	No
GLPI	Yes	No	Yes	No	No	Yes	No	No	No	No	No
GNATS	Yes	No	Yes	Yes	Yes	No	No	No	No	No	No
Helix ALM	Yes	No	Yes	No	Yes	Yes	Yes	No	Yes	No	Yes - XML
HP Quality Center	Yes	No	No	No	Yes [84]	Yes	No	Yes [85]	No [82]	Yes, via plugin	Yes]
Jira	Yes	Yes [86]	Yes	Yes [87]	Yes	Yes	Yes	Yes	No [82]	Yes	Yes - Android App, iPhone App
Launchpad	Yes	No	Yes	No	No	Yes	No	No	No	No	Yes - Python [88]
MantisBT	Yes	No	Yes	No	No	No	Yes	Yes	No	Yes	Yes - Android App
Microsoft Dynamics CRM	Yes	No	Yes	No	No	No	Yes	No	No	No	No
org-mode	No	No	No	Yes	No	No	No	No	No	No	No
OTRS	Yes	No	Yes	No	No	Yes	Yes	No	No	No	No
Phabricator	Yes	No	Yes	Yes	Yes	Yes	No	No	No	Yes, via plugin	No
Redmine	Yes	Yes [89]	Yes	Partial [notes 2]	No	Yes	No	Yes	No	Yes	Yes - Android App, iOS App
Request Tracker	Yes	Yes Responsive layout after 1.5.0. Partial in previous versions.	Yes	Yes	No	Yes [90]	No	No	No	No	No
Roundup	Yes	Yes with Jinja2 template can be implemented per tracker for other templates	Yes	Yes	No (use web)	Yes new in 2.0	No	No	No	No	Yes XMLRPC [91]
StarTeam	Yes	No	No	No	Yes	No	No	No	Yes	No	No
Supportworks	Yes	No	Yes	No	Yes	Yes [92]	No	No	No	No	No
SysAid	Yes	No	Yes	No	Yes	Yes	Yes	No	No	No	No
Team Foundation Server	Yes	No	Yes	Yes	No	No	Yes	Yes	No	Yes, via plugin	No
Trac	Yes	No [93]	Optional [80]	No	No	No	No	Yes	No	Yes	Yes XMLRPC
TrackerSuite.Net	Yes	No	Yes	No	No	No	No	No	No	No	No
Trello	Yes	Yes	Yes	No	No	Yes	No	No	No	Yes	No
Tuleap	Yes	No	Yes	Yes	No	Yes	Yes	Yes	No	No	No
Twproject	Yes	No	Yes	No	No	No	No	No	No	No	No
Wrike	Yes	No	No	No	No	No	No	No	No	Yes, via plugin	No
YouTrack	Yes	Yes [94]	Yes	No	Yes	Yes	No	Yes [95]	No	Yes	No
Zammad	Yes	No	Yes	Yes	No	Yes	No	No	No	No	No
System	Web	Mobile Web	Email	CLI	GUI	REST	SOAP	Mylyn [79]	Visual Studio	IntelliJ IDEA	Others

Notification interfaces

System	Email	RSS	Atom	XMPP	Twitter
Apache Bloodhound	Yes	Yes	No	No	No
Assembla Tickets	Yes	Yes	No	No	Yes
Axosoft	Yes	Yes	No	No	No
Bugzilla	Yes	Yes	Yes	No	No
Debbugs	Yes	No	No	No	No
Dolibarr	Yes	No	No	No	No
Faveo Helpdesk	Yes	No	No	No	No
FogBugz	Yes	Yes	No	No	No
Fossil	Yes	Yes	No	No	No
FusionForge	Yes	Yes	No	No	No
GLPI	Yes	No	No	Yes	No
GNATS	Yes	No	No	No	No
Helix ALM	Yes	Yes	No	No	No
HP Quality Center	Yes	No	No	No	No
Jira	Yes	Yes	No	Yes	No
MantisBT	Yes	Yes	No	No	Yes
Microsoft Dynamics CRM	Yes	No	No	No	No
org-mode	No	No	No	No	No
OTRS	Yes	No	No	No	No
Phabricator	Yes	No	No	No	No
Redmine	Yes	Yes	Yes	Yes, via plugin	Yes
Request Tracker	Yes	Yes [96]	No	No	No
Roundup	Yes	Yes [97]	Yes [97]	No	No
StarTeam	Yes	No	No	No	No
Supportworks	Yes	No	No	No	No
SysAid	Yes	No	No	No	No
Team Foundation Server	Yes	No	No	No	No
Trac	Yes	Yes	No	No	No
TrackerSuite.Net	Yes	No	No	No	No
Twproject	Yes	Yes	No	No	Yes
Wrike	Yes	No	No	No	No
YouTrack	Yes	Yes	No	Yes	No
Zammad	Yes	No	No	No	Yes
System	Email	RSS	Atom	XMPP	Twitter

Revision control system integration

System	Git	Mercurial	Bazaar	Monotone	Darcs	CVS	Subversion	Perforce	AccuRev	ClearCase	Others
Apache Bloodhound	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Optional [98]	Yes	No	No
Assembla Tickets	Yes	Yes	No	No	No	No	Yes	Yes	No	No	No
Axosoft	Yes	Yes [99]	No	No	No	No	Yes	Yes	No	No	Yes VSS, Vault Sourcegear
Bugzilla	Yes [100]	Yes [101]	Yes	No	No	Yes	Yes	Yes	Yes	No	No
Debbugs	No	No	No	No	No	No	No	No	No	No	No
Faveo Helpdesk	No	No	No	No	No	No	No	No	No	No	No
FogBugz	Yes	Yes	No	No	No	Yes	Yes	Yes	No	No	2 [102]
Fossil	No	No	No	No	No	No	No	No	Yes	No	1 [103]
FusionForge	Yes	Yes	Yes	No	No	Yes	Yes	No	No	No	No
GNATS	No	No	No	No	No	Yes	No	No	No	No	No
Helix ALM	Yes	No	No	No	No	Yes	Yes	Yes	No	No	Yes - Surround SCM
HP Application Lifecycle Management	No	No	No	No	No	Yes	Yes	Yes [104]	Yes	No	No
Jira	Yes	Yes	No	No	No	Yes	Yes	Yes	Yes [105]	No [106]	Yes [107]
MantisBT	Yes	Yes [108]	No	No	No	Yes	Yes	No	No	No	No
Microsoft Dynamics CRM	No	No	No	No	No	No	No	No	No	No	No
org-mode	No	No	No	No	No	No	No	No	No	No	No
OTRS	No	No	No	No	No	No	No	No	No	No	No
Phabricator	Yes	Yes	No	No	No	No	Yes	No	No	No	No
Redmine	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes [104]	No	No	No
Request Tracker	No	No	No	No	No	Yes	Yes	No	No	No	No
Roundup	No	Yes	No	No	Yes	No	Yes	No	No	No	Yes can be implemented for any RCS at tracker level
StarTeam	No	No	No	No	No	No	No	No	No	No	Yes - StarTeam includes revision control
Supportworks	No	No	No	No	No	No	No	No	No	No	No
SysAid	No	No	No	No	No	No	Yes	No	No	No	No
Team Foundation Server	Yes [109]	No	Yes [110]	No	No	No	Yes [111]	No	No	No	Yes - TFS includes revision control
Trac	Yes	Yes	Yes	Yes	Yes	No	Yes	Optional [98]	Yes	No	No
TrackerSuite.Net	No	No	No	No	No	No	No	No	No	No	No
Tuleap	Yes	No	No	No	No	Yes	Yes	No	No	No	No
Twproject	No	No	No	No	No	No	Yes	No	No	No	No
Wrike	No	No	No	No	No	No	Yes	No	No	No	No
YouTrack	Yes [112]	Yes [112]	No	No	No	Yes [112]	Yes [112]	Yes [112]	No	Yes [112]	3 [112] [113]
Zammad	No	No	No	No	No	No	No	No	No	No	No
System	Git	Mercurial	Bazaar	Monotone	Darcs	CVS	Subversion	Perforce	AccuRev	ClearCase	Others

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

System	Docker Image	Helm chart
Apache Bloodhound	Un­known	Un­known
Assembla Tickets	Un­known	Un­known
Axosoft	Un­known	Un­known
Bugzilla	Yes (Not official) [131]	Yes [132]
Debbugs	Un­known	Un­known
Faveo Helpdesk	Un­known	Un­known
FogBugz	Un­known	Un­known
Fossil	Un­known	Un­known
FusionForge	Un­known	Un­known
GLPI	Un­known	Un­known
GNATS	Un­known	Un­known
Helix ALM	Un­known	Un­known
HP Quality Center	Un­known	Un­known
Jira	Un­known	Un­known
MantisBT	Yes (Not official) [133]	Un­known
Microsoft Dynamics CRM	Un­known	Un­known
org-mode	Un­known	Un­known
OTRS	Un­known	Un­known
Phabricator	Un­known	Un­known
Redmine	Yes (Official) [134]	Yes (Bitnami) [135]
Request Tracker	Un­known	Un­known
Roundup	Yes (Official) [136]	Un­known
StarTeam	Un­known	Un­known
Supportworks	Un­known	Un­known
SysAid	Un­known	Un­known
Team Foundation Server	Un­known	Un­known
Trac	Un­known	Un­known
TrackerSuite.Net	Un­known	Un­known
Tuleap	Un­known	Un­known
Twproject	Un­known	Un­known
Wrike	Un­known	Un­known
YouTrack	Un­known	Un­known
Zammad	Yes	Yes
System	Docker Image	Helm chart

See also

• Comparison of help desk issue tracking software
• List of personal information managers
• Comparison of project management software
• Networked Help Desk
• OSS through Java

Notes

1. 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.
2. The Ruby on Rails console can be used to manually create tickets or replies

References

1. "The Apache Bloodhound Open Source Project on Ohloh". 2013-04-06. Archived from the original on 6 April 2013. Retrieved 2022-06-07.
2. "[ANNOUNCE] Apache Bloodhound 0.1.0 incubating Released" . Retrieved April 2, 2013.
3. "Apache Allura Open Source project Hosting Platform". bugzilla.readthedocs.io. Retrieved 2022-11-29.
4. "Release 1.17.1". 17 June 2024. Retrieved 21 July 2024.
5. "3.6. Database Server — Bugzilla 5.1.2+ documentation". bugzilla.readthedocs.io. Retrieved 2022-06-07.
6. "5.2". 3 September 2024. Retrieved 6 November 2024.
7. "Dolibarr Open Source ERP and CRM wiki documentation". wiki.dolibarr.org. Retrieved 2022-06-07.
8. "Release 21.0.1". 6 April 2025. Retrieved 24 April 2025.
9. Ltd, Ladybird Web Solution Pvt. "Faveo Installation Guide". Faveo Installation Guide. Retrieved 2022-06-07.
10. "Fossil: Glossary". www.fossil-scm.org. Retrieved 2022-07-01.
11. "Changes for version 2.26".
12. "Prerequisites — GLPI 9.5 documentation". glpi-install.readthedocs.io. Retrieved 2022-06-07.
13. Chad Walstrom (3 March 2015). "GNU GNATS 4.2.0 Released!" . Retrieved 28 September 2022.
14. "Helix ALM Release Notes" . Retrieved May 2, 2024.
15. "Jira Software 10.1.x release notes".
16. "Admin Guide". www.mantisbt.org. Retrieved 2022-02-23.
17. "Release 2.27.1". 1 March 2025. Retrieved 27 March 2025.
18. "System requirements". OpenProject.org. Retrieved 2022-06-07.
19. "Release 6.0.6". 7 July 2025. Retrieved 15 July 2025.
20. "README - RT 5.0.2 Documentation - Best Practical". docs.bestpractical.com. Retrieved 2022-06-07.
21. "Release 6.0.0". 28 May 2025. Retrieved 1 June 2025.
22. "Installing Roundup - Roundup 2.5.0 documentation". www.roundup-tracker.org. Retrieved 2023-11-28.
23. "Roundup 2.5.0 release announcement (including security fix)". 13 July 2025.
24. "Hornbill Systems: Support Works Helpdesk". 1998-02-07. Archived from the original on February 7, 1998. Retrieved 2010-03-07.
25. "TracInstall – The Trac Project". trac.edgewall.org. Retrieved 2022-06-07.
26. "Requirements — Tuleap latest version documentation". docs.tuleap.org. Retrieved 2023-11-28.
27. "Software — Zammad documentation". docs.zammad.org. Retrieved 2022-06-07.
28. "Company Identity and Milestones | Zammad". Zammad Website. Retrieved 18 December 2020.
29. https://zammad.com/de/releases/6-5 . Retrieved 13 April 2025.{{cite web}}: Missing or empty |title= (help)
30. System supports service level agreement management
31. System has a plugin API to allow integration with other products
32. "BloodhoundSearch – Apache Bloodhound". Archived from the original on 2013-09-10. Retrieved 2013-04-23.
33. "Testopia is a test case management extension for Bugzilla". Mozilla.org. 2010-10-05. Retrieved 2011-10-21.
34. "New Features in 2.18 :: Bugzilla". bugzilla.org. 2006-10-02. Retrieved 2011-11-16.
35. "Bug 232612 - enable boolean mode fulltext searches". Bugzilla.mozilla.org. Retrieved 2011-10-21.
36. "Bug 310717 - Oracle Bugzilla::DB::Oracle module". Bugzilla.mozilla.org. Retrieved 2011-10-21.
37. "Bug 365258 - PostgreSQL Use tsearch2 for fulltext indexing when available". Bugzilla.mozilla.org. Retrieved 2011-10-21.
38. Bugzilla 3.4.2 Release Notes
39. "FogBugz - Features - Customizable Case List". fogcreek.com. Archived from the original on 2013-07-05. Retrieved 2010-03-25.
40. "Searching in FogBugz". Fogcreek.com. Archived from the original on 2011-10-24. Retrieved 2011-10-21.
41. "Searching in FogBugz - About the FogBugz Search Engine". Fogcreek.com. Archived from the original on 2011-10-24. Retrieved 2011-10-21.
42. "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.
43. "Fossil Server command - running multiple instances". fossil-scm.org. Retrieved 2011-01-11.
44. "Fossil: To Do List". Fossil-scm.org. Retrieved 2011-10-21.
45. "Multiple vendors". Confluence.atlassian.com. 2011-10-03. Retrieved 2011-10-21.
46. "Plugins.atlassian.com". Plugins.atlassian.com. Retrieved 2011-10-21.
47. "JIRA - Performing Text Searches". Confluence.atlassian.com. Retrieved 2011-10-21.
48. "JIRA Searchable Attachments Plugin". Studio.plugins.atlassian.com. Archived from the original on December 17, 2012. Retrieved 2011-10-21.
49. Edit a JIRA Issue at the same time by two Users result in last save wins
50. "Mantis Feature List". Mantisbt.org. 2011-02-16. Retrieved 2011-10-21.
51. "0012319: Index attachments' content". MantisBT. Retrieved 2011-10-21.
52. Jenkins
53. Commercial plugin available (Redmine Reporting)
54. "Redmine".
55. Free plugin available (Redmine PostgreSQL Search)
56. Added by Xabier Elkano about (2010-09-14). "Xapian search plugin". Redmine. Retrieved 2011-10-21.
57. Redmine Feature #8691 Better handling of issue update conflict
58. "Feature list". Bestpractical.com. Retrieved 2011-10-21.
59. Needs a third-party extension (RT-Extension-SLA)
60. RT can be extended through Perl extensions, see for example RTX:: modules on MetaCPAN.org
61. "Best Practical: What's New in 4: Fast full-text searching". Blog.bestpractical.com. 2011-06-27. Retrieved 2011-10-21.
62. "Roundup Design Detector Interface". Roundup-tracker.org. Retrieved 2014-01-03.
63. "Roundup Features". Roundup-tracker.org. Retrieved 2011-10-21.
64. Borland
65. 5005 API exists but is undocumented
66. "Smarter search and recent object functionality " teamwork's blog". Blog.twproject.com. 2009-02-20. Retrieved 2011-10-21.
67. "Test Manager plugin" . Retrieved 2014-01-03.
68. "List of trac plugins". Trac.edgewall.org. 2011-08-11. Retrieved 2011-10-21.
69. "Trac 1.0". Trac.edgewall.org. 2010-09-11. Retrieved 2014-01-03.
70. "trac - Advanced Search - Indexing". Trac.edgewall.org. 2010-04-10. Retrieved 2011-10-21.
71. Trac #7145 Improve handling of conflicts due to concurrent ticket edits
72. "YouTrack integration with test management tools". Confluence.jetbrains.net. 2010-08-02. Archived from the original on 2011-10-09. Retrieved 2011-10-21.
73. "YouTrack Support Workflow and Response SLAs". 7 October 2024.
74. "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.
75. "YouTrack - Search for issues". Jetbrains.com. Retrieved 2011-10-21.
76. "SLAs and Escalations • Features | Zammad". Zammad Website: SLA Feature. Retrieved 18 December 2020.
77. "Fast Full-text Search • Features | Zammad". Zammad Website: Full-text search Feature.
78. "Overview of Features | Zammad". Zammad Features. Retrieved 18 December 2020.
79. "List of Mylyn connector extensions". Wiki.eclipse.org. 2011-08-23. Retrieved 2011-10-21.
80. "Pluggable email handler for Trac". Trac Hacks. Retrieved 3 April 2013.
81. "email2trac utilities". SURF SARA. Retrieved 28 February 2014.
82. "Tasktop Dev for Visual Studio". Visual Studio Gallery. Archived from the original on 2016-08-22. Retrieved 2016-08-08.
83. "XML-RPC doesn't work in IIS". Mozilla. 7 December 2011. Archived from the original on 3 August 2014. Retrieved 21 March 2014.
84. "HP ALM Explorer Add-in". HP. Archived from the original on 2012-06-20. Retrieved 2012-03-23.
85. "QcMylyn". Sourceforge.net. 2010-11-15. Retrieved 2011-10-21.
86. Using JIRA on a mobile device
87. By third-party extension: plugins.atlassian.com
88. Launchpadlib is a Python client library for the Launchpad RESTful API.
89. Feature #19097: Responsive layout for mobile devices - Redmine
90. "REST API for Request Tracker". Wiki.bestpractical.com. Retrieved 2011-10-21.
91. "XML-RPC access to Roundup". roundup-tracker.org. Retrieved 11 November 2016.
92. Through 5005 API, but is undocumented
93. #11953 (Responsive design for user interface) – The Trac Project
94. Introducing YouTrack Mobile
95. "Youtrack.mylyn.connector". Alexander Marchuk. Archived from the original on 5 November 2014. Retrieved 5 November 2014.
96. "Request Tracker RSS support". Wiki.bestpractical.com. 2011-10-14. Retrieved 2011-10-21.
97. "FeedGeneration". wiki.roundup-tracker.org. 2009-02-01. Retrieved 2018-07-14.
98. via the PerforcePlugin
99. via the Mercurial SCM Plug-In For Axosoft
100. "Git Bugzilla Extension". Theoldmonk.net. 2007-06-03. Retrieved 2011-10-21.
101. "Mercurial Bugzilla Extension". Mercurial.selenic.com. 2010-08-28. Archived from the original on 2011-10-08. Retrieved 2011-10-21.
102. Visual SourceSafe, Vault
103. Fossil
104. "Defect Tracking Gateway". Perforce. Retrieved 2012-01-10.
105. No diff, just virtual version numbers.
106. 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
107. Commit Policy Plugin integrates JIRA with Bitbucket Server (formerly known as Atlassian Stash), in addition to Subversion, Git and Mercurial.
108. via the SourceHgWeb plugin Archived 2012-03-02 at the Wayback Machine
109. newly supported
110. via the bzr-tfs plugin
111. via the SVNBridge
112. Via TeamCity integration
113. Visual SourceSafe, Team Foundation Server, Borland StarTeam
114. "SSL Authentication Plugin". giel. 2009-07-01. Retrieved 2010-05-27.
115. "OpenID Authentication Plugin". Dalius Dobravolskas. 2010-05-27. Archived from the original on 2010-06-02. Retrieved 2010-05-27.
116. "Bugzilla:OpenID Auth Plugin". Rob Lanphier. 2013-03-30. Retrieved 2015-05-07.
117. "Jira 3.8". Archived from the original on 2012-05-22. Retrieved 2012-08-01.
118. "Jira 4.x". Archived from the original on 2016-03-05. Retrieved 2020-07-26.
119. "Connecting to Crowd or Another JIRA Server for User Management - JIRA 6.4 EAP - Atlassian Documentation".
120. "MantisBT bug #8199: Add Open ID support". MantisBT. 2009-01-15. Retrieved 2010-05-27.
121. "MantisBT bug #11219: Provide OAuth inter-application authentication "tokens" mechanism". MantisBT. 2010-05-27. Retrieved 2010-05-27.
122. "Redmine SSL Auth plugin". Jorge Bernal. 2010-01-09. Retrieved 2010-05-27.
123. "Redmine Feature #699: OpenID login". Redmine. 2009-02-11. Retrieved 2010-05-27.
124. Needs a third-party extension (RT-Authen-OpenID on MetaCPAN.org)
125. Needs a third-party extension (RT::Authen::ExternalAuth)
126. See available extensions
127. HOTP/TOTP
128. developed by bugs.python.org team
129. See wiki page on ShibbolethLogin
130. Supports AUTHORIZATION header/var from front end authenticating web server/proxy.
131. "Bugzilla Docker image".
132. "Bugzilla Helm chart". GitHub . 10 April 2020.
133. "MantisBT Docker image".
134. "Redmine Official Docker Image".
135. "Bitnami redmine chart".
136. "Roundup Tracker Docker Image".