This article is a comparison of notableissue tracking systems used primarily forhelp desks andservice desks rather than forbug tracking orproject management.
| System | Creator | License | Implementation language(s) | Back end | Launch Date |
|---|---|---|---|---|---|
| Faveo Helpdesk | Ladybird Web Solution | Proprietary | PHP | MySQL | 2015 |
| GLPI | INDEPNET | GPL | PHP | MySQL | 2003 |
| HEAT | FrontRange Solutions | Proprietary | .NET | Microsoft SQL Server,Oracle | 1990 |
| Jira Service Management | Atlassian | Proprietary, Free for non-commercial use; hosted & on-premises | Java | MySQL,PostgreSQL, Oracle,Microsoft SQL Server | 2003 |
| OTRS | OTRS | Proprietary | Perl | MySQL,PostgreSQL,Oracle,Microsoft SQL Server | 2001 |
| Znuny | Znuny GmbH | GPL-3.0 | Perl | MySQL,PostgreSQL,Oracle,Microsoft SQL Server | 2021 |
| Request Tracker | Best Practical Solutions, LLC | GPL | Perl | MySQL,PostgreSQL,Oracle | 1999-10-13 |
| Roundup | Roundup-Team | MIT,Zope | Python | MySQL,PostgreSQL,SQLite,Berkeley DB | 2001-08-18 |
| Spiceworks | Spiceworks IT Software | Proprietary; free for use | Ruby | sqlite | 2006 |
| Supportworks | Hornbill Systems | Proprietary | Visual C++ andPHP | Microsoft SQL Server,MySQL,Oracle,Sybase | 1994 |
| SysAid | SysAid Technologies | Proprietary | Java,C# | MySQL,Derby,Oracle,Microsoft SQL Server | 2002 |
| Tracker | Automation Centre | Proprietary | Groupware, requiresLotus Notes | IBM Lotus Domino | 2001 |
| TrackerSuite.Net | Automation Centre | Proprietary | C# | Microsoft SQL Server | 2006 |
| Trac | Edgewall Software | BSD-3-Clause | Python | MySQL,PostgreSQL | 2004 |
| Zammad | Zammad GmbH | AGPL v3 | Ruby | MySQL,PostgreSQL | 2016 |