What is OpenCATS used for?

OpenCATS is a free, community-maintained applicant tracking system and recruiting CRM for managing candidates, jobs, submissions, and hiring activity. It is a good fit for staffing agencies and internal recruiting teams.

Is OpenCATS open source?

Yes. OpenCATS is open source under a custom licence. Its source code is on GitHub at opencats/OpenCATS and is written mainly in PHP.

Yes. OpenCATS is open source, so the software itself is free to use under the terms of its own licence.

Can I self-host OpenCATS?

Yes. OpenCATS can be self-hosted on your own server or infrastructure.

What is OpenCATS an alternative to?

OpenCATS is an open-source alternative to Manatal and Teamtailor. Other open-source alternatives to Manatal include Horilla, OrangeHRM and Ever Gauzy.

Is OpenCATS actively maintained?

Yes. The most recent commit to OpenCATS was on 13 October 2026, and the latest release is v0.11.1, published on 3 September 2026. The project has 760 stars on GitHub.

OpenCATS: open-source alternative to Manatal, Teamtailor

About OpenCATS

OpenCATS is an open-source applicant tracking system (ATS) and recruiting CRM designed for staffing agencies and hiring teams. It provides a practical way to manage candidates, jobs, submissions, and hiring activity without vendor lock-in.

The software supports candidate management with records, resumes, notes, status history, and recruiting activity. It also functions as a recruiting CRM for staffing agencies and internal recruiting teams, handling jobs, companies, contacts, submissions, and follow-up activity.

Key features

Candidate management with records, resumes, notes, status history, and recruiting activity
Recruiting CRM for jobs, companies, contacts, submissions, and follow-up activity
Open-source control allowing self-hosting, code inspection, and contributions
Community-maintained with development on GitHub

Good fit for

Staffing agencies
Internal recruiting teams

Built with: PHP tools; MySQL tools
Tags: applicant tracking system; recruiting crm; ats; open source; staffing; hiring

OpenCATS: questions and answers

What is OpenCATS used for?: OpenCATS is a free, community-maintained applicant tracking system and recruiting CRM for managing candidates, jobs, submissions, and hiring activity. It is a good fit for staffing agencies and internal recruiting teams.
Is OpenCATS open source?: Yes. OpenCATS is open source under a custom licence. Its source code is on GitHub at opencats/OpenCATS and is written mainly in PHP.
Is OpenCATS free?: Yes. OpenCATS is open source, so the software itself is free to use under the terms of its own licence.
Can I self-host OpenCATS?: Yes. OpenCATS can be self-hosted on your own server or infrastructure.
What is OpenCATS an alternative to?: OpenCATS is an open-source alternative to Manatal and Teamtailor. Other open-source alternatives to Manatal include Horilla, OrangeHRM and Ever Gauzy.
Is OpenCATS actively maintained?: Yes. The most recent commit to OpenCATS was on 13 October 2026, and the latest release is v0.11.1, published on 3 September 2026. The project has 760 stars on GitHub.