OpenCATS

Spec sheet

Product

OpenCATS is a free, community-maintained applicant tracking system and recruiting CRM.Read 12 Oct 2026 · opencats.org

Free plan

YesRead 20 Sep 2026 · opencats.org

Security

The maker advises monitoring GitHub Security Advisories and applying security releases promptly to production instances.Read 12 Oct 2026 · opencats.org

Support

The maker points users to the OpenCATS subreddit for peer-to-peer support and troubleshooting discussions.Read 12 Oct 2026 · opencats.org

Candidate records

It manages candidate records, resumes, notes, status history, and recruiting activity.Read 12 Oct 2026 · opencats.org

Career site

YesRead 20 Sep 2026 · opencats.org

Data control

Teams can host OpenCATS themselves, inspect its code, and keep recruiting data under their own operational policies.Read 12 Oct 2026 · opencats.org

Database limit

MariaDB is the recommended and tested database family; MySQL is not the documented database target.Read 12 Oct 2026 · documentation.opencats.org

Distribution

Prepared full release archives are published through GitHub Releases in .tar.gz and .zip formats.Read 12 Oct 2026 · github.com

Documentation

Public documentation covers installation, runtime requirements, configuration, upgrades, and maintenance tasks.Read 12 Oct 2026 · opencats.org

Interview scheduling

YesRead 20 Sep 2026 · opencats.org

Job board distribution

YesRead 20 Sep 2026 · opencats.org

Optional utilities

Antiword, pdftotext, html2text, and unrtf can improve resume and document text extraction and search, but are not required for installation.Read 12 Oct 2026 · documentation.opencats.org

Recruiting workflows

It supports jobs, companies, contacts, submissions, and follow-up activity for staffing agencies and internal recruiting teams.Read 12 Oct 2026 · opencats.org

Release

The maker site identifies OpenCATS v0.11.1 as the latest release.Read 12 Oct 2026 · opencats.org

Release security work

Version 0.11.1 is described as a security and maintenance release with additional security hardening.Read 12 Oct 2026 · github.com

Resume parsing

NoRead 20 Sep 2026 · opencats.org

Runtime

The documented runtime requires PHP 8.4.1 or later within PHP 8, MariaDB, a web server, and required PHP extensions.Read 12 Oct 2026 · documentation.opencats.org

Tested baseline

Project CI tests PHP 8.4.1 and PHP 8.5 on Linux/Unix with MariaDB 10.7 for Docker-backed integration and Behat testing.Read 12 Oct 2026 · documentation.opencats.org

Workflow automation

YesRead 20 Sep 2026 · opencats.org

Plans and prices

Every OpenCATS plan and price →

Where Specifiction places it

• Recruitment Management Software#7 of 298.0
• Staffing Software#5 of 177.9
• Recruiting Software#11 of 297.9
• Applicant Tracking Systems - Midmarket Software#9 of 237.9
• Applicant Tracking Systems#106 of 2337.7