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sales

OpenCATS: Streamline Hiring

Get an open-source applicant tracking system for hiring teams. For staffing agencies and founders.
intermediate⏱ 1-2 hours💵 Free (self-hosted)
710 stars306 forksPHPQuality 8/10Updated 7/9/2026100% free · open source
What it is

Use OpenCATS to set up and manage the hiring process for staffing agencies and founders.

What you can make with it

Automations like streamlining candidate pipelines and organizing applicant tracking systems.

How it helps

OpenCATS helps save time and boost efficiency in the hiring process by centralizing candidate data and automating tasks.

Real use case example

"A founder with a small team is handling hiring for a new product launch. They can use OpenCATS to create an online application form, track candidate resumes, and send personalized emails to top prospects. With OpenCATS, they save time and can now focus on interviewing and selecting the best candidates."

If you're new

Choose OpenCATS when first starting a new business or staffing agency.

If you're senior

Reach for OpenCATS when scaling and need a customizable solution for managing candidate pipelines.

Common confusion cleared up

Some users might confuse OpenCATS with other recruitment CRM tools, but it's a specific open-source applicant tracking system designed for staffing agencies and founders.

Pairs with
MySQL databaseNotion databaseStripe webhook
Why we list it on WorkflowStacks: It's free and open-source, offering a cost-effective alternative to paid applicant tracking systems.
What it does

OpenCATS helps startup founders and hiring teams manage job postings, track applicant resumes, and streamline the recruitment process in a customizable and cost-effective way

When to use it
  • •You need to organize and filter a high volume of job applications
  • •Your hiring team requires a collaborative platform to discuss and rate candidates
  • •You want to reduce recruitment costs without sacrificing functionality
Quick start
  1. 1Download and install OpenCATS on your server or hosting platform
  2. 2Configure the system to match your company's branding and recruitment workflow
  3. 3Create job postings and add them to the system for easy tracking and management
  4. 4Customize the applicant tracking pipeline to fit your hiring process
Ready-to-paste prompt
To create a new job posting, navigate to the 'Jobs' tab and click 'Add New Job', then fill in the job title, description, and requirements to start tracking applicants
Saves to your device

Topics

applicant-tracking-systems
ats
candidate-management
hr
mysql
opencats
php
recruiting
recruitment
recruitment-crm
staffing
What's inside — free to inspect
No purchase needed

Read the entire source before you build — unlike paid marketplaces that hide it behind a buy button.

28
top-level files
21
folders
38.0M
repo size
Other
license
Key files
.editorconfig
config.php
index.php
main.css
README-testing.md
README.md
File tree
.github/
ajax/
attachments/
careers/
config/
db/
docker/
images/
js/
lib/
modules/
optional-updates/
reports/
rss/
scripts/
src/
temp/
test/
upload/
wsdl/
xml/
.editorconfig
.gitattributes
.gitignore
Quick Actions
Details
Creator
opencats
Language
PHP
Category
sales
Published
7/17/2009

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