Software:Comparison of issue-tracking systems

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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

Systems listed on 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; 11 years ago
Apache Allura Apache Software Foundation Apache License 2.0 Python MongoDB 2022[3] 1.14.0 2022-09-11
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[4] 1998-09-19 ; 0 seconds 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)[5] 2018 ; 0 seconds ago
Faveo Helpdesk Ladybird Web Solution Open Software License PHP MariaDB, MySQL[6] 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[7] 2006 ; 0 seconds ago
FusionForge Various (open source contributors) GPLv2 PHP PostgreSQL 2009-02
GLPI INDEPNET GPLv2 PHP MariaDB, MySQL[8] 2003-11-17
GNATS Free Software Foundation GPL C, Web Front-end In Perl Text files with custom daemon/search engine 1992 ; 0 seconds ago
Helix ALM (aka TestTrack) Perforce Software Proprietary C++, Qt5, JavaScript Oracle, PostgreSQL, SQL Server, SQLite 1996
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 9.12[9] 2023-11-29; 7 months ago
Launchpad Canonical Ltd. AGPL JavaScript, Python PostgreSQL 2004-01
MantisBT Various (open source contributors) GPL PHP MariaDB, MySQL, PostgreSQL, SQL Server (experimental), Oracle (experimental)[10] 2000 ; 0 seconds ago
Microsoft Dynamics CRM Microsoft Proprietary, Commercial .NET Microsoft SQL Server 2003
OpenProject OpenProject Foundation e.V. GPL Ruby, JavaScript PostgreSQL[11] 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
Pivotal Tracker Pivotal Labs Proprietary, free version for public projects, non-profits and academic institutions Ruby Ruby on Rails, MySQL, Memcached 2008
Redmine Jean-Philippe Lang GPLv2 Ruby MySQL, PostgreSQL, SQLite 2006 ; 0 seconds ago
Request Tracker Best Practical Solutions, LLC GPLv2 Perl MariaDB, MySQL, PostgreSQL, Oracle, SQLite (testing only)[12] 1999-10-13 ; 0 seconds ago
Roundup Ka-Ping Yee, Richard Jones MIT license (ZPL v 2.0 for the template system) Python SQLite, MySQL, PostgreSQL[13] 2001 2.3.0 2023-07-13
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[14]
SysAid SysAid Technologies Proprietary C#, Java Derby, Microsoft SQL Server, MySQL, Oracle 2002
Trac Edgewall Software New BSD Python SQLite, PostgreSQL, MySQL[15] 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[16] 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[17] 2016[18] ; 0 seconds 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[19] Plugin API[20] 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[21] 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[22] Yes Yes Yes No Yes Yes Yes[23] Yes When using MySQL MyISAM[24] or Oracle Database[25] but not PostgreSQL[26] Yes[27]
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 N/A Yes No No No
FogBugz Yes, Integrated wiki No Yes Yes Yes No Yes[28] Yes Yes[29] Yes[30] No[31] Yes
Fossil Yes, Integrated Wiki in addition to integrated versioned project documentation via web ui. No No No Yes No No Yes[32] No[33] 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[34] Yes Yes Yes Yes Yes[35] Yes Yes[36] Yes Uses Lucene[36] Optional[37] No[38]
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[39] Yes No[40] 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
Pivotal Tracker Yes, real time collaborative story backlog, integrated reports, email notification Yes No Yes No No 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[41] Yes Yes Yes Optional[42] Yes Yes Yes[43] Optional, when using PostgreSQL[44] Optional[45] Yes[46]
Request Tracker Yes, MediaWiki[47] No Yes Yes Yes Yes[48] Yes[49] Yes Yes[50] Yes[50] 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[51] Yes Yes[52] Yes with issues[53] Yes Yes
StarTeam No Yes[54] 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[55] 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[56] Yes Uses Lucene No
Trac Yes, integrated wiki Yes[57] Yes Yes Yes No Yes[58] Yes[59] Yes No[60] Yes[61]
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[62] Yes Yes Yes Yes[63] Yes[64] Yes Yes[65] Yes (Uses Lucene) No
Zammad Yes: Documentation integration/generation, reporting: integrated knowledge base, dashboard No No Yes Yes Yes[66] Yes Yes Yes[67] Yes Yes Yes[68]
System Dynamic documentation integration/generation Test planning integration Customizable workflow Unicode support Custom fields SLA[19] Plugin API[20] 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[69] Visual Studio IntelliJ IDEA Others
Apache Bloodhound Yes No Optional[70][71] 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[72] Yes Yes XMLRPC[73]
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[74] Yes No Yes[75] No[72] Yes, via plugin Yes]
Jira Yes Yes[76] Yes Yes[77] Yes Yes Yes Yes No[72] Yes Yes - Android App, iPhone App
Launchpad Yes No Yes No No Yes No No No No Yes - Python[78]
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
Pivotal Tracker Yes No Yes Yes Yes Yes No No No Yes Yes - XML, iOS App
Redmine Yes Yes[79] 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[80] No No No No No
Roundup Yes No can be implemented in tracker instance Yes Yes No Yes new in 2.0 No No No No Yes XMLRPC[81]
StarTeam Yes No No No Yes No No No Yes No No
Supportworks Yes No Yes No Yes Yes[82] 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[83] Optional[70] 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[84] Yes No Yes Yes No Yes[85] 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[69] 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
Pivotal Tracker Yes Yes Yes No Yes
Redmine Yes Yes Yes Yes, via plugin Yes
Request Tracker Yes Yes[86] No No No
Roundup Yes Yes[87] Yes[87] 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[88] Yes No No
Assembla Tickets Yes Yes No No No No Yes Yes No No No
Axosoft Yes Yes[89] No No No No Yes Yes No No Yes VSS, Vault Sourcegear
Bugzilla Yes[90] Yes[91] 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[92]
Fossil No No No No No No No No Yes No 1[93]
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[94] Yes No No
Jira Yes Yes No No No Yes Yes Yes Yes[95] No[96] Yes[97]
MantisBT Yes Yes[98] 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
Pivotal Tracker Yes No No No No Yes Yes No No No No
Redmine Yes Yes Yes No Yes Yes Yes Yes[94] 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[99] No Yes[100] No No No Yes[101] No No No Yes - TFS includes revision control
Trac Yes Yes Yes Yes Yes No Yes Optional[88] 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[102] Yes[102] No No No Yes[102] Yes[102] Yes[102] No Yes[102] 3[102][103]
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[104] No Optional[105] 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[106] 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[107][108] Yes, via Crowd[109]
MantisBT Yes No No Yes[110] Yes[111] 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
Pivotal Tracker Yes No No Yes, Google Account No No No No
Redmine Yes Yes[112] Yes Yes[113] No Yes Yes, via Apache (using mod_rails) No
Request Tracker Yes Unknown Unknown Yes[114] Unknown Yes[115] Unknown Yes[116]
Roundup Yes Unknown Yes[117] Yes[118] Unknown Yes Yes[119] Yes[120]
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[104] No Optional[105] 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) [121] Yes[122]
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) [123] Unknown
Microsoft Dynamics CRM Unknown Unknown
org-mode Unknown Unknown
OTRS Unknown Unknown
Phabricator Unknown Unknown
Pivotal Tracker Unknown Unknown
Redmine Yes (Official) [124] Yes (Bitnami) [125]
Request Tracker Unknown Unknown
Roundup Yes (Official) [126] 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

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. http://www.ohloh.net/p/apache-bloodhound. 
  2. "[ANNOUNCE Apache Bloodhound 0.1.0 incubating Released"]. http://mail-archives.apache.org/mod_mbox/www-announce/201209.mbox/%3C5053388A.20507@apache.org%3E. 
  3. "Apache Allura Open Source project Hosting Platform". https://allura.apache.org/. 
  4. "3.6. Database Server — Bugzilla 5.1.2+ documentation". https://bugzilla.readthedocs.io/en/latest/installing/db_server.html. 
  5. "Dolibarr Open Source ERP and CRM wiki documentation" (in en). https://wiki.dolibarr.org/. 
  6. Ltd, Ladybird Web Solution Pvt. "Faveo Installation Guide" (in en). https://docs.faveohelpdesk.com/. 
  7. "Fossil: Glossary". https://www.fossil-scm.org/home/doc/trunk/www/glossary.md. 
  8. "Prerequisites — GLPI 9.5 documentation". https://glpi-install.readthedocs.io/en/latest/prerequisites.html#database. 
  9. "Jira Software release notes". https://confluence.atlassian.com/jirasoftware/jira-software-release-notes-776821069.html. 
  10. "Admin Guide". https://www.mantisbt.org/docs/master/en-US/Admin_Guide/html-desktop/#admin.install.requirements.software. 
  11. "System requirements" (in en). https://www.openproject.org/docs/installation-and-operations/system-requirements/. 
  12. "README - RT 5.0.2 Documentation - Best Practical". https://docs.bestpractical.com/rt/5.0.2/README.html. 
  13. "Installing Roundup - Roundup 2.3.0 documentation". https://www.roundup-tracker.org/docs/installation.html#prerequisites. 
  14. "Hornbill Systems: Support Works Helpdesk". 1998-02-07. http://www.hornbill.com/supwrks.htm. 
  15. "TracInstall – The Trac Project". https://trac.edgewall.org/wiki/TracInstall. 
  16. "Requirements — Tuleap latest version documentation". https://docs.tuleap.org/installation-guide/step-by-step/requirements.html#database. 
  17. "Software — Zammad documentation". https://docs.zammad.org/en/latest/prerequisites/software.html. 
  18. "Company Identity and Milestones | Zammad". https://zammad.com/en/company. 
  19. 19.0 19.1 System supports service level agreement management
  20. 20.0 20.1 System has a plugin API to allow integration with other products
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  22. "Testopia is a test case management extension for Bugzilla". Mozilla.org. 2010-10-05. https://www.mozilla.org/projects/testopia/. 
  23. "New Features in 2.18 :: Bugzilla". bugzilla.org. 2006-10-02. http://www.bugzilla.org/releases/2.18/new-features.html#fts. 
  24. "Bug 232612 - enable boolean mode fulltext searches". Bugzilla.mozilla.org. https://bugzilla.mozilla.org/show_bug.cgi?id=232612. 
  25. "Bug 310717 - Oracle Bugzilla::DB::Oracle module". Bugzilla.mozilla.org. https://bugzilla.mozilla.org/show_bug.cgi?id=310717. 
  26. "Bug 365258 - PostgreSQL Use tsearch2 for fulltext indexing when available". Bugzilla.mozilla.org. https://bugzilla.mozilla.org/show_bug.cgi?id=365258. 
  27. Bugzilla 3.4.2 Release Notes
  28. "FogBugz - Features - Customizable Case List". fogcreek.com. http://www.fogcreek.com/FogBugz/learnmore.html#hist_DevelopYourOwn. 
  29. "Searching in FogBugz". Fogcreek.com. http://www.fogcreek.com/fogbugz/docs/70/topics/basics/searchingforcases.html. 
  30. "Searching in FogBugz - About the FogBugz Search Engine". Fogcreek.com. http://www.fogcreek.com/fogbugz/docs/70/topics/basics/searchingforcases.html. 
  31. "Feature Request: index content of certain attachments (e.g. Word documents) in Wiki articles". Fogbugz.stackexchange.com. http://fogbugz.stackexchange.com/questions/7214/feature-request-index-content-of-certain-attachments-e-g-word-documents-in-wi. 
  32. "Fossil Server command - running multiple instances". fossil-scm.org. http://www.fossil-scm.org/index.html/help/server. 
  33. "Fossil: To Do List". Fossil-scm.org. http://www.fossil-scm.org/index.html/wiki?name=To+Do+List. 
  34. "Multiple vendors". Confluence.atlassian.com. 2011-10-03. https://confluence.atlassian.com/display/JIRAKB/Integrate+JIRA+With+A+Test+Case+Manager. 
  35. "Plugins.atlassian.com". Plugins.atlassian.com. https://plugins.atlassian.com/plugin/details/9041. 
  36. 36.0 36.1 "JIRA - Performing Text Searches". Confluence.atlassian.com. http://confluence.atlassian.com/display/JIRA/Performing+Text+Searches. 
  37. "JIRA Searchable Attachments Plugin". Studio.plugins.atlassian.com. https://studio.plugins.atlassian.com/wiki/display/ATT/JIRA+Searchable+Attachments+Plugin. 
  38. Edit a JIRA Issue at the same time by two Users result in last save wins
  39. "Mantis Feature List". Mantisbt.org. 2011-02-16. http://www.mantisbt.org/wiki/doku.php/mantisbt:features. 
  40. "0012319: Index attachments' content". MantisBT. http://www.mantisbt.org/bugs/view.php?id=12319. 
  41. Jenkins
  42. Commercial plugin available (Redmine Reporting)
  43. "Redmine". http://www.redmine.org/projects/redmine/wiki/RedmineSearch. 
  44. Free plugin available (Redmine PostgreSQL Search)
  45. Added by Xabier Elkano about (2010-09-14). "Xapian search plugin". Redmine. http://www.redmine.org/boards/3/topics/17306. 
  46. Redmine Feature #8691 Better handling of issue update conflict
  47. "Feature list". Bestpractical.com. http://bestpractical.com/rt/features.html. 
  48. Needs a third-party extension (RT-Extension-SLA)
  49. RT can be extended through Perl extensions, see for example RTX:: modules on MetaCPAN.org
  50. 50.0 50.1 "Best Practical: What's New in 4: Fast full-text searching". Blog.bestpractical.com. 2011-06-27. http://blog.bestpractical.com/2011/06/full-text-searching.html. 
  51. "Roundup Design Detector Interface". Roundup-tracker.org. http://roundup-tracker.org/docs/design.html#detector-interface. 
  52. "Roundup Features". Roundup-tracker.org. http://www.roundup-tracker.org/docs/features.html. 
  53. "Roundup Wiki - Rewriting the full-text indexer". Roundup-tracker.org. 2004-10-13. http://www.roundup-tracker.org/cgi-bin/moin.cgi/NewFullTextIndexer. 
  54. Borland
  55. 5005 API exists but is undocumented
  56. "Smarter search and recent object functionality " teamwork's blog". Blog.twproject.com. 2009-02-20. http://blog.twproject.com/2009/02/20/smarter-search-and-recent-object-functionality/. 
  57. "Test Manager plugin". http://trac-hacks.org/wiki/TestManagerForTracPlugin. 
  58. "List of trac plugins". Trac.edgewall.org. 2011-08-11. http://trac.edgewall.org/wiki/PluginList. 
  59. "Trac 1.0". Trac.edgewall.org. 2010-09-11. http://trac.edgewall.org/wiki/MultipleProjectSupport. 
  60. "trac - Advanced Search - Indexing". Trac.edgewall.org. 2010-04-10. http://trac.edgewall.org/wiki/AdvancedSearch#Indexing. 
  61. Trac #7145 Improve handling of conflicts due to concurrent ticket edits
  62. "YouTrack integration with test management tools". Confluence.jetbrains.net. 2010-08-02. http://confluence.jetbrains.net/display/YTD3/Integration+with+Test+Management+Tools. 
  63. "YouTrack Support Workflow and Response SLAs". https://youtrack-support.jetbrains.com/hc/en-us/articles/210660509-Support-Workflow-and-Response-SLAs. 
  64. "YouTrack integrates with other products via REST API". Confluence.jetbrains.net. 2011-09-09. http://confluence.jetbrains.net/display/YTD3/YouTrack+REST+API+Reference. 
  65. "YouTrack - Search for issues". Jetbrains.com. http://www.jetbrains.com/youtrack/features/search_filter_issues.html. 
  66. "SLAs and Escalations • Features | Zammad". https://zammad.com/en/product/features/sla. 
  67. "Fast Full-text Search • Features | Zammad". https://zammad.com/en/product/features/full-text-search. 
  68. "Overview of Features | Zammad". https://zammad.com/en/product/features. 
  69. 69.0 69.1 "List of Mylyn connector extensions". Wiki.eclipse.org. 2011-08-23. http://wiki.eclipse.org/Mylyn/Extensions. 
  70. 70.0 70.1 "Pluggable email handler for Trac". Trac Hacks. http://trac-hacks.org/wiki/MailToTracPlugin. 
  71. "email2trac utilities". SURF SARA. https://oss.trac.surfsara.nl/email2trac. 
  72. 72.0 72.1 72.2 "Tasktop Dev for Visual Studio". Visual Studio Gallery. https://visualstudiogallery.msdn.microsoft.com/bacb119f-0569-4c6a-a010-31a212e08287. 
  73. "XML-RPC doesn't work in IIS". Mozilla. 7 December 2011. https://bugzilla.mozilla.org/show_bug.cgi?id=708252. 
  74. "HP ALM Explorer Add-in". HP. http://update.external.hp.com/qualitycenter/qc110/others/almexplorer/index.html. 
  75. "QcMylyn". Sourceforge.net. 2010-11-15. http://sourceforge.net/apps/mediawiki/qcmylyn/. 
  76. Using JIRA on a mobile device
  77. By third-party extension: plugins.atlassian.com
  78. Launchpadlib is a Python client library for the Launchpad RESTful API.
  79. Feature #19097: Responsive layout for mobile devices - Redmine
  80. "REST API for Request Tracker". Wiki.bestpractical.com. http://wiki.bestpractical.com/view/REST. 
  81. "XML-RPC access to Roundup". roundup-tracker.org. http://www.roundup-tracker.org/docs/xmlrpc.html. 
  82. Through 5005 API, but is undocumented
  83. #11953 (Responsive design for user interface) – The Trac Project
  84. Introducing YouTrack Mobile
  85. "Youtrack.mylyn.connector". Alexander Marchuk. https://jetbrains.github.io/youtrack.mylyn.connector/. 
  86. "Request Tracker RSS support". Wiki.bestpractical.com. 2011-10-14. http://wiki.bestpractical.com/view/RssFeed. 
  87. 87.0 87.1 "FeedGeneration". wiki.roundup-tracker.org. 2009-02-01. http://www.roundup-tracker.org/cgi-bin/moin.cgi/FeedGeneration. 
  88. 88.0 88.1 via the PerforcePlugin
  89. via the Mercurial SCM Plug-In For Axosoft
  90. "Git Bugzilla Extension". Theoldmonk.net. 2007-06-03. http://www.theoldmonk.net/gitzilla. 
  91. "Mercurial Bugzilla Extension". Mercurial.selenic.com. 2010-08-28. http://mercurial.selenic.com/wiki/BugzillaExtension. 
  92. Visual SourceSafe, Vault
  93. Fossil
  94. 94.0 94.1 "Defect Tracking Gateway". Perforce. http://www.perforce.com/product/components/defect_tracking_gateway. 
  95. No diff, just virtual version numbers.
  96. 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
  97. Commit Policy Plugin integrates JIRA with Bitbucket Server (formerly known as Atlassian Stash), in addition to Subversion, Git and Mercurial.
  98. via the SourceHgWeb plugin
  99. newly supported
  100. via the bzr-tfs plugin
  101. via the SVNBridge
  102. 102.0 102.1 102.2 102.3 102.4 102.5 102.6 Via TeamCity integration
  103. Visual SourceSafe, Team Foundation Server, Borland StarTeam
  104. 104.0 104.1 "SSL Authentication Plugin". giel. 2009-07-01. http://trac-hacks.org/wiki/SslAuthenticationPlugin. 
  105. 105.0 105.1 "OpenID Authentication Plugin". Dalius Dobravolskas. 2010-05-27. http://bitbucket.org/Dalius/authopenid-plugin/wiki/Home. 
  106. "Bugzilla:OpenID Auth Plugin". Rob Lanphier. 2013-03-30. https://wiki.mozilla.org/Bugzilla:OpenID_Auth_Plugin. 
  107. "Jira 3.8". http://www.federation.org.au/twiki/bin/view/Federation/ShibJira. 
  108. "Jira 4.x". http://git.itlab.stanford.edu/cgi-bin/gitweb.cgi?p=authentication/jira-webserverauth.git. 
  109. "Connecting to Crowd or Another JIRA Server for User Management - JIRA 6.4 EAP - Atlassian Documentation". https://confluence.atlassian.com/display/JIRA/Connecting+to+Crowd+or+Another+JIRA+Server+for+User+Management. 
  110. "MantisBT bug #8199: Add Open ID support". MantisBT. 2009-01-15. http://www.mantisbt.org/bugs/view.php?id=8199. 
  111. "MantisBT bug #11219: Provide OAuth inter-application authentication "tokens" mechanism". MantisBT. 2010-05-27. http://www.mantisbt.org/bugs/view.php?id=11219. 
  112. "Redmine SSL Auth plugin". Jorge Bernal. 2010-01-09. https://github.com/koke/redmine_ssl_auth. 
  113. "Redmine Feature #699: OpenID login". Redmine. 2009-02-11. http://www.redmine.org/issues/699. 
  114. Needs a third-party extension (RT-Authen-OpenID on MetaCPAN.org)
  115. Needs a third-party extension (RT::Authen::ExternalAuth)
  116. See available extensions
  117. HOTP/TOTP
  118. developed by bugs.python.org team
  119. See wiki page on ShibbolethLogin
  120. Supports AUTHORIZATION header/var from front end authenticating web server/proxy.
  121. "Bugzilla Docker image". https://hub.docker.com/r/bugzilla/bugzilla-dev. 
  122. "Bugzilla Helm chart". 10 April 2020. https://github.com/mojab/bugzilla-chart. 
  123. "MantisBT Docker image". https://hub.docker.com/r/xlrl/mantisbt. 
  124. "Redmine Official Docker Image". https://hub.docker.com/_/redmine. 
  125. "Bitnami redmine chart". https://bitnami.com/stack/redmine/helm. 
  126. "Roundup Tracker Docker Image". https://hub.docker.com/r/rounduptracker/roundup. 

External links