The contents of this website are based upon the Wikipedia page entitled comparison of issue tracking systems. However this website includes both notable and non-notable entries -- large or small, all are documented providing you a comprehensive list of issue tracking systems. Amendments welcome via GitHub pull request.

General

System Creator License Implementation language(s) Back end Launch Date
Apache Bloodhound Apache Software Foundation Apache License Python SQLite, PostgreSQL, MySQL 2012
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
BMC Remedy Action Request System BMC Software Proprietary C, Java Oracle, SQL Server, DB2, Informix, Sybase ASA 1992 [citation needed]
Bontq Bontq LLC Proprietary, hosted. Available for free for open source projects PHP, Java PostgreSQL 2010
BugTracker.NET Corey Trager GPL ASP.NET, C# on Windows SQL Server, SQL Server Express 2002
Bugzilla Mozilla Foundation MPL Perl MySQL, Oracle, PostgreSQL, SQLite 1998-09-19
Cerebro CineSoft Proprietary C++, Qt PostgreSQL 2009
codeBeamer Intland Software Proprietary, free version Java MySQL, Oracle, Apache Derby or Postgres 2002
Debbugs Debian GPL Perl Flat file, Berkeley DB indexes [citation needed] Between 1994 and 1999 [notes 1]
FogBugz Fog Creek Software Proprietary ASP on Windows, PHP on Mac, FreeBSD, and Linux SQL Server, MySQL 2000
Fossil D. Richard Hipp BSD C SQLite 2006
Gemini Countersoft Proprietary, free, commercial options ASP.NET, C# Microsoft SQL Server 2003
GLPI INDEPNET GPL PHP MySQL 2003-11-17
GNATS Free Software Foundation GPL C, Web Front-end In Perl Text files with custom daemon/search engine 1992
Google Code Hosting Google Code Proprietary, hosted; available for open source projects Python Text 1992
HP Quality Center Hewlett-Packard, formerly Mercury Interactive Proprietary .NET (client), Java (server) SQL Server, Oracle 1995
IBM Rational ClearQuest Rational Software Proprietary kernel: executables for several platforms; hooks: Perl and Visual Basic IBM DB2, Oracle, SQL Server, Access, Sybase ASA 1998
IBM Rational Team Concert Rational Software Proprietary kernel: Java; API: Java IBM DB2, Oracle, SQL Server, Apache Derby 1992
ikiwiki Joey Hess mostly GPLv2 (mixed) Perl git, darcs, bzr, svn, monotone, mercurial, tla 2006
IssueNet Elsinore Technologies Inc. Proprietary ASP.NET, C#, C++ SQL Server Unknown
IssueTrak IssueTrak Proprietary, hosted ASP.NET SQL Server 1992
JIRA Atlassian Proprietary. Free community licenses for open source and academic projects Java MySQL, PostgreSQL, Oracle, SQL Server 2003
Kayako SupportSuite Kayako Proprietary, some parts GPL PHP MySQL 2001
Launchpad Canonical Ltd. AGPL Python, JavaScript PostgreSQL 2004-01
Liberum Help Desk Doug Luxem GPL ASP SQL Server, Access 2000
LibreSource Artenum GPLv2 HTML, Java on all platforms PostgreSQL Unknown
MantisBT Various (open source contributors) GPLv2 PHP ADOdb (MySQL, PostgreSQL, SQL Server, etc.) 2000
Microsoft Dynamics CRM Microsoft Proprietary, Commercial .NET Microsoft SQL Server 2003
org-mode Carsten Dominik GPL Emacs Flat file 2003
OTRS otrs.org AGPL Perl MySQL, PostgreSQL, Oracle, SQL Server 2002
Pivotal Tracker Pivotal Labs Proprietary, free version Ruby on Rails Ruby on Rails, MySQL, Memcached 2008
Plain Ticket Turbine interactive Proprietary, online, hosted. Java MySQL 2011
Planbox Planbox Proprietary, free version PHP, Java MySQL 2009
Redmine Jean-Philippe Lang GPLv2 Ruby on Rails MySQL, PostgreSQL, SQLite 2006
Request Tracker Best Practical Solutions, LLC GPL Perl MySQL, PostgreSQL, Oracle, SQLite 1999-10-13
Roundup Ka-Ping Yee, Richard Jones MIT license (ZPL v 2.0 for the template system) Python SQLite, MySQL, PostgreSQL, Berkeley DB 2001
StarTeam originally Starbase Corporation, currently Borland Proprietary Java, C++, others SQL Server recommended, Oracle, DB2 supported Unknown
Supportworks Hornbill Systems Proprietary C++ and PHP SQL Server, MySQL, Oracle, Sybase 1994 [citation needed]
SysAid SysAid Technologies Proprietary Java, C# MySQL, Derby, Oracle, Microsoft SQL Server 2002
Team Foundation Server Microsoft Proprietary, Commercial .NET MS SQL Server 2005 & 2008 2005
Teamwork Open Lab Proprietary, some parts LGPL Java all relational (uses Hibernate) 2003
TechExcel's DevTrack TechExcel Proprietary C++, JavaScript SQL Server, SQL Server Express, MySQL, Oracle 1997
TestTrack Seapine Software Proprietary C++, JavaScript SQL Server, Oracle, SQLite, PostgreSQL, 1996
The Bug Genie Various (open source contributors) Mozilla Public License 1.1 PHP MySQL, PostgreSQL, SQL Server 2003-09-11
Trac Edgewall Software New BSD Python SQLite, PostgreSQL, MySQL 2006-10-01
TrackerSuite.Net Automation Centre Proprietary C# SQL Server, SQL Server Express 2006
Web Help Desk MacsDesign Studio, LLC Proprietary Java OpenBase, FrontBase, MySQL, SQL Server, PostgreSQL, Oracle 1999
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, MPS-based DSLs JetBrains DB 2009
Zoho BugTracker Zoho Corp. Proprietary Java MySQL 2011
System Creator License Implementation language(s) Back end Launch Date

Features

System Documentation Integration/Generation, Reporting Test Planning Integration Customizable Workflow Unicode Support Custom Fields SLA Plugin API Multiple Projects Full-Text Search Indexed Full-Text Search Indexed File Search
Apache Bloodhound Yes, integrated wiki Yes Yes Yes Yes No Yes Yes (as of 0.6) Yes Yes uses Whoosh No
Assembla Tickets Wiki syntax, email notification, linking to Subversion commits, document manager, charts, reports, notifications Yes Yes Yes Yes No Yes Yes No Unknown No
Axosoft Team Wiki, Burndown, GitHub and TortoiseSVN integration, Dashboards, Custom Reports for OnPremises, Email Notifications and Alerts, Customer Portal, RSS No Yes Yes Yes Yes Yes Yes
BugTracker.NET Integrated charts and reports No Yes Yes Yes No No Yes
Bugzilla Reporting: integrated reports and charts, scheduled reports by mail Yes Yes Yes Yes No Yes Yes Yes Yes when using MySQL MyISAM or Oracle Database but not Postgre SQL
codeBeamer Yes, Integrated document manager, Scrum, Kanban, waterfall project mgm, Wiki, custom dashboard, multiproject report, baselineing, release mgm, API, RSS, ActivityStream, notifications Yes Yes Yes Yes Yes Yes Unknown Yes Yes Yes
Debbugs No No No Yes No No No Unknown No
FogBugz Integrated wiki No Yes Yes Yes No Yes Yes Yes Yes No
Fossil Yes, Integrated Wiki in addition to integrated versioned project documentation via web ui. No No No Yes No No Yes No No
Gemini Yes, Integrated document manager, RSS, charts, reporting engine, remote API, notifications, custom fields/values for issues Yes Yes Yes Yes Yes Yes Yes Yes Yes
GNATS No No No No No No No Unknown
Google Code Hosting Wiki syntax, email notification, linking to Subversion commits, custom fields/values for issues No Yes Yes Yes No No Yes
HP Quality Center Yes Yes Yes No Yes No Yes Yes No No No
IBM Rational ClearQuest reporting: integrated charts and interface to Crystal Reports Yes Yes Yes Yes No No Yes Optional Optional uses Solr and Lucene
IBM Rational Team Concert Yes Yes Yes Yes Yes No Yes Yes
Ikiwiki No No No Yes Yes No No Unknown
IssueNet Advanced reporting, configurable dashboards, Microsoft Project integration No Yes Yes Yes No Yes Unknown
JIRA Dashboard with reporting widgets (Open Social)Excel, Word, customizable charts, Confluence (Enterprise wiki) Yes Yes Yes Yes Yes Yes Yes Yes Yes Uses Lucene Optional
Kayako SupportSuite Knowledgebase builder, reports, integrated download manager, step-by-step troubleshooter builder No No Yes Yes Yes Yes Unknown
Liberum Help Desk No No No No No No No Unknown
LibreSource No No No Yes No No No Unknown
MantisBT Yes, Integration of MediaWiki, DokuWiki, XWiki No Yes Yes Yes No Yes Yes Yes Yes No
Microsoft Dynamics CRM Reporting: integrated charts and reports, export to Excel, Mail Merge No Yes Yes Yes No Yes Unknown
Org-mode No No Yes Yes Yes No No Unknown
OTRS Advanced reporting, configurable dashboards No Yes Yes Yes Yes Yes Unknown
Pivotal Tracker Yes, real time collaborative story backlog, integrated reports, email notification Yes No Yes No No Yes Yes
Plain Ticket Yes Yes Yes Yes Yes Yes No Yes Yes Yes No
Planbox Yes, thru File sharing, RSS, User story backlog, charts, reporting engine, Open API, email notifications, custom fields for issues, time tracking, searchable labels. Yes Yes Yes Yes Yes Yes Yes Yes Yes No
Redmine Yes, integrated wiki, discussion forums, news blogs, email integration, calendars, Gantt Charts, export to PDF, export to Excel/CSV Yes Yes Yes Yes No Yes Yes Yes No Optional
Remedy Action Request System With RKM, the Remedy Knowledge Base product from BMC No Yes Yes Yes Yes Yes Unknown Optional Optional Optional
Request Tracker Yes, MediaWiki No Yes Yes Yes Yes Yes Yes Yes Yes
Roundup Wiki can be integrated or linked No Yes Yes Yes No Yes Yes Yes Yes with issues Yes
StarTeam No Yes Yes No Yes No No Unknown
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 Unknown
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
Team Foundation Server Yes - workflow definitions, process documentation Yes Yes Yes Yes No Yes Yes
Teamwork Yes Yes Yes Yes Yes Yes No Yes Yes Yes Uses Lucene
TechExcel's DevTrack Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
TestTrack Yes - Advanced reporting, integrated charts, export to Excel, workflow with triggers Yes Yes Yes Yes No Yes Yes Yes
The Bug Genie Yes, integrated wiki No Yes Yes Yes No Yes Yes Yes No No
Trac Yes, integrated wiki Yes Yes Yes Yes No Yes Yes Yes No
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
Web Help Desk Dynamic request forms based on category choice, Dynamic auto-routing of request tickets, Auto FAQ generation, Integrated charts and reports, context sensitive help No Yes Yes Yes No No Unknown Partial No
Wrike Real-time customized reports, export to Excel, scheduled reports by mail, alerts, discussions, Gantt charts, No No Yes No No No Unknown
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 Yes Yes Yes No Yes Yes Yes Yes Uses Lucene
Zoho BugTracker Yes No Yes Yes Yes No No Yes Partial
System Documentation Integration/Generation, Reporting Test Planning Integration Customizable Workflow Unicode Support Custom Fields SLA Plugin API Multiple Projects Full-Text Search Indexed Full-Text Search Indexed File Search

Input Interfaces

System Web Email CLI GUI REST SOAP Mylyn Visual Studio Others
Apache Bloodhound Yes Optional No No No No Yes No Yes XMLRPC
Assembla Tickets Yes Yes Yes No Yes No Yes No No
Axosoft Yes Yes No Yes Yes Yes No Yes Yes - iPhone
BugTracker.NET Yes Yes No No No No No No No
Bugzilla Yes Yes Yes Yes Yes Yes Yes No Yes XMLRPC
codeBeamer Yes Yes No No Yes No Yes No No
Debbugs No Yes Yes Partial No No No No No
FogBugz Yes Yes Yes No Yes No Yes Yes Yes XML
Fossil Yes No Yes No No No No No No
Gemini Yes Yes No Yes Yes Yes No Yes Yes, JSON, XML
GNATS Yes No Yes No No No No No No
Google Code Hosting Yes No No No No No Yes No No
HP Quality Center Yes No No Yes Yes No Yes No Yes - IntelliJ IDEA
IBM Rational ClearQuest Yes Yes No Yes No No Yes No No
IBM Rational Team Concert Yes No No Yes Yes No No Yes No
Ikiwiki Yes Yes No Yes No No No Yes No
IssueNet Yes No Yes Yes No No No No No
JIRA Yes Yes Yes Yes Yes Yes Yes Yes No
Kayako SupportSuite Yes Yes No No Yes No No No Yes - Andriod App, iOS App
Launchpad Yes Yes No No Yes No No No Yes - Python
Liberum Help Desk Yes No No No No No No No No
LibreSource Yes No No No No No No No No
MantisBT Yes No No No No Yes Yes No Yes - Andriod App
Microsoft Dynamics CRM Yes Yes No No No Yes No No No
org-mode No No Yes No No No No No No
OTRS Yes Yes No No No Yes No No No
Pivotal Tracker Yes Yes Yes Yes Yes No No No Yes - XML, iOS App
Plain Ticket Yes Yes No No No No No No No
Planbox Yes Yes No Yes Yes No No No Yes - Mobile, Zendesk, Git, SVN, SnapEngage
Redmine Yes Yes No No Yes No Yes No No
Remedy Action Request System Yes Yes No Yes No Yes No No No
Request Tracker Yes Yes Yes No Yes No No No No
Roundup Yes Yes Yes No No No No No No
StarTeam Yes No No Yes No No No Yes No
Supportworks Yes Yes No Yes Yes No No No No
SysAid Yes Yes No Yes Yes Yes No No No
Team Foundation Server Yes Yes Yes No No Yes No Yes No
Teamwork Yes Yes No No No No No No No
TechExcel's DevTrack Yes No No Yes No No No No Yes - XML, iOS Apps, Andriod App
TestTrack Yes Yes No Yes No Yes No Yes Yes - XML, Eclipse
The Bug Genie Yes Yes Yes No Yes No No No No
Trac Yes Optional No No No No Yes No Yes XMLRPC
TrackerSuite.Net Yes Yes No No No No No No No
Web Help Desk Yes Yes No Yes No No No No Yes - iPhone
Wrike Yes No No No No No No No No
YouTrack Yes Yes No No Yes No No No No
Zoho BugTracker Yes Yes No Yes No No No No No
System Web Email CLI GUI REST SOAP Mylyn Visual Studio 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
BugTracker.NET Yes No No No No
Bugzilla Yes Yes Yes No No
codeBeamer Yes Yes Yes No Yes
Debbugs Yes No No No No
FogBugz Yes Yes No No No
Fossil No Yes No No No
Gemini Yes Yes No No No
GNATS Yes No No No No
Google Code Hosting Yes Yes No No No
HP Quality Center Yes No No No No
IBM Rational ClearQuest Yes No No No No
Ikiwiki Yes No No No No
IssueNet No Yes Yes No No
JIRA Yes Yes No Yes No
Kayako SupportSuite Yes No No No No
Liberum Help Desk Yes No No No No
LibreSource No No No No 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
Pivotal Tracker Yes Yes Yes No Yes
Plain Ticket Yes No No No No
Planbox Yes Yes No No Yes
Redmine Yes Yes Yes No Yes
Remedy Action Request System Yes No No No No
Request Tracker Yes Yes No No No
Roundup Yes No No 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
Teamwork Yes Yes No No Yes
TechExcel's DevTrack Yes No No No No
TestTrack Yes Yes No No No
The Bug Genie Yes Yes Yes No No
Trac Yes Yes No No No
TrackerSuite.Net Yes No No No No
Web Help Desk Yes No No No No
Wrike Yes No No No No
YouTrack Yes Yes No Yes No
Zoho BugTracker Yes Yes No No No
System Email RSS Atom XMPP Twitter

Revision Control System Integration

System Git Mercurial Bazaar Monotone Darcs CVS Subversion Perforce AccuRev CleanCase Others
Apache Bloodhound Yes Yes Yes Yes Yes Yes Yes Optional Yes No No
Assembla Tickets Yes Yes No No No No Yes Yes No No No
Axosoft Yes Yes No No No No Yes Yes No No Yes VSS, Vault Sourcegear
Bontq No No No No No No No No No No No
BugTracker.NET Yes Yes No No Yes No Yes No No No No
Bugzilla Yes Yes No No No Yes Yes No No No No
codeBeamer Yes Yes Yes No No Yes Yes Yes Yes No No
Debbugs No No No No No No No No No No No
FogBugz Yes Yes No No No Yes Yes Yes No No 2
Fossil No No No No No No No No Yes No 1
Gemini Yes Yes No No No Yes Yes No No No Yes TFS
GNATS No No No No No Yes No No No No No
Google Code Hosting Yes Yes No No No No Yes No No No No
HP Quality Center No No No No No No No Yes Yes No No
IBM Rational ClearQuest No No No No No No No Yes Yes Yes No
Ikiwiki Yes Yes Yes Yes Yes Yes Yes No No No No
IssueNet No No No No No No Yes Yes No No Yes
JIRA Yes Yes No No No Yes Yes Yes Yes No No
Kayako SupportSuite No No No No No No No No No No No
Liberum Help Desk No No No No No No No No No No No
LibreSource No No No No No No Yes No No No No
MantisBT Yes Yes 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
Pivotal Tracker Yes No No No No Yes Yes No No No No
Plain Ticket No No No No No No No No No No No
Planbox Yes No No No No No Yes No No No No
Redmine Yes Yes Yes No Yes Yes Yes Yes No No No
Remedy Action Request System No No No No No No No No No Yes No
Request Tracker No No No No No Yes Yes No No No No
Roundup No No No No Yes No Yes No No No No
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 No Yes No No No Yes No No No Yes - TFS includes revision control
Teamwork No No No No No No Yes No No No No
TechExcel's DevTrack No No No No No Yes Yes Yes Yes Yes Yes - BitKeeper, PVCS, VSS, TFS, MKS Source, StarTeam, AlienBrain, SourceGear Vault
TestTrack No No No No No Yes Yes Yes No No Yes - Surround SCM, VSS
The Bug Genie Yes Yes Yes No No Yes Yes Yes No No No
Trac Yes Yes Yes Yes Yes No Yes Optional Yes No No
TrackerSuite.Net No No No No No No No No No No No
Web Help Desk No No No No No No No No No No No
Wrike No No No No No No Yes No No No No
YouTrack Yes Yes No No No Yes Yes Yes No Yes Yes
Zoho BugTracker Yes No No No No No No No No No No
System Git Mercurial Bazaar Monotone Darcs CVS Subversion Perforce AccuRev CleanCase Others

Authentication Methods

System Form Based Public Key Cryptopgraphy Two-Factor OpenID OAuth LDAP Shibboleth Others
Apache Bloodhound Yes Optional No Optional 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
Bontq Yes No No No No No Unknown Unknown
BugTracker.NET Yes Unknown Unknown Unknown Unknown Yes Unknown Unknown
Bugzilla Yes No No Yes No Yes Unknown No
codeBeamer Yes No No No No Yes Unknown No
Debbugs No No No No No No No No
FogBugz Yes Unknown Unknown Unknown Unknown Yes Unknown Unknown
Fossil Unknown Unknown Unknown Unknown Unknown No Unknown Unknown
Gemini Yes No No Yes Yes Yes No Yes API
GNATS Unknown Unknown Unknown Unknown Unknown No Unknown Unknown
Google Code Hosting Unknown Unknown Unknown Unknown Unknown No Unknown Unknown
HP Quality Center No No No No No Yes No Unknown
IBM Rational ClearQuest Unknown Unknown Unknown Unknown Unknown Yes Unknown Unknown
Ikiwiki Yes Unknown Unknown Yes Unknown Yes: (through web server auth) Unknown Unknown
IssueNet Unknown Unknown Unknown Unknown Unknown Yes Unknown Unknown
JIRA Yes No No Yes Yes Yes Yes, via plugin No
Kayako SupportSuite Yes Unknown Unknown Unknown Unknown Yes Unknown Yes, LoginShare API
Liberum Help Desk Unknown Unknown Unknown Unknown Unknown Yes Unknown Unknown
LibreSource Unknown Unknown Unknown Unknown Unknown No Unknown Unknown
MantisBT Yes No No Yes Yes 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 Unknown Yes Unknown Unknown Unknown Yes Unknown Unknown
Pivotal Tracker Yes No No Yes, Google Account No No No No
Plain Ticket Yes No No No No No No No
Planbox Yes No No Yes, Google Account No No No Yes, Google Account, OneLogin
Redmine Yes Yes No Yes No Yes Yes No
Remedy Action Request System Unknown Unknown Unknown Unknown Unknown Yes Unknown Unknown
Request Tracker Yes Unknown Unknown Yes Unknown Yes Unknown Yes
Roundup Unknown Unknown Unknown Unknown Unknown Yes Unknown Unknown
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
Teamwork Yes Unknown Unknown Unknown Unknown Yes Unknown Yes
TechExcel's DevTrack Yes No No No No Yes No No
TestTrack Yes Unknown No No No Yes No Yes - Custom DLL
The Bug Genie Yes No No Yes No Yes No No
Trac Yes Optional No Optional No Yes Unknown No
TrackerSuite.Net Yes No No No No Yes No No
Web Help Desk Unknown Unknown Unknown Unknown Unknown Yes Unknown Unknown
Wrike Unknown Unknown Unknown Unknown Unknown Yes Unknown Unknown
YouTrack Yes No No Yes No Yes Unknown Yes
Zoho BugTracker Yes Unknown Unknown Yes Unknown Unknown Unknown Yes
System Form Based Public Key Cryptopgraphy Two-Factor OpenID OAuth LDAP Shibboleth Others