- [Deskpro](https://www.deskpro.com/) - On-Premise help desk software that includes email, chat, voice & help centre publishing. Full visible source code and API. `⊘ Proprietary``Unknown`
- [Full Help](https://www.fullhelp.com/en/) - Simple, easy to use help desk & knowledge base software. Custom branding, custom themes, restful API, communication channels, multi-company support, multi-language support, and much more! At least 1 new release per month. `⊘ Proprietary``PHP`
- [JIRA](https://www.atlassian.com/software/jira) - Professional and extensible issue tracker. `⊘ Proprietary``Java`
- [Jitbit Helpdesk](https://www.jitbit.com/helpdesk/) - Self-hosted help desk software - simple but powerful. ([Demo](https://www.jitbit.com/saas-helpdesk/trial/)) `⊘ Proprietary``ASP.NET`
- [Jitbit Helpdesk](https://www.jitbit.com/helpdesk/) - Self-hosted help desk software - simple but powerful. ([Demo](https://www.jitbit.com/saas-helpdesk/trial/)) `⊘ Proprietary``.NET`
- [SupportPal](https://www.supportpal.com/) - Powerful help desk software - easy, fast and intuitive. ([Demo](https://demo.supportpal.com/en)) `⊘ Proprietary``PHP`