Best Open Source Developer Tools Projects

Enterprise PHP framework, continued as Laminas

Web-based database administration tool

Web framework and CMS focused on speed and security

Omnibot

A Slack proxy that routes events to pluggable Python handlers

Probo

Open-source CI/CD for QA and stakeholder approval.

thenewboston Website API

REST API behind the thenewboston.com website

PHP user management framework with admin dashboard

Simple PHP CMS and framework for developers

Devito

Tiny URL shortener with no separate database

Inspo AI

AI design intelligence platform for UI inspiration, agentic UI generation, brand scanning, moodboards, and production-ready React interfaces.

Brando

Content management system for Phoenix applications

Open-source AI components for rapid development.

The Backend for Frontend Framework.

Easily deploy serverless contact forms.