FreeATS

Modern lightweight open-source ATS with visual workflows

Open Source

FreeATS is a lightweight, strictly open-source ATS that focuses on simplicity and speed, offering a cleaner interface than older legacy systems. It is designed to be "up and running" quickly with a modern, visual drag-and-drop board for moving candidates between stages.

License: MIT
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Features

Core Features

  • Kanban Pipeline - Modern, visual drag-and-drop board for moving candidates between stages
  • Career Site Generator - Automatically generates a public-facing page listing all active job openings
  • Resume Parsing - Basic parsing capabilities to reduce manual data entry
  • Team Collaboration - Internal commenting system on candidate profiles for team feedback
  • Rating System - Star-based rating for candidates to quickly identify top talent
  • Email Templates - Pre-saved templates for common communications (rejections, interview invites)

Target Audience

  • Startups
  • Small HR teams
  • Developers looking for a modern base to build upon

Deployment

Type: Self-Hosted

Requirements:

  • Ruby on Rails environment
  • Docker (recommended)
  • PostgreSQL or MySQL

Advantages

  • +Modern user interface with visual workflows
  • +MIT license allows for easy proprietary modification
  • +Lightweight and fast performance
  • +Docker support for easy deployment

Limitations

  • Feature set is less extensive than OpenCATS
  • Smaller community ecosystem
  • Requires Ruby on Rails knowledge for customization
  • Limited third-party integrations

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OpenCATS

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Last updated: 2026