Best Open Source Developer Tools
Neovim
Hyperextensible Vim-based text editor
MeiliSearch
Instant search engine with sub-50ms responses
Appsmith
Open-source low-code platform
GrowthBook
Open-source feature flagging and A/B testing platform.
Appbase
Search UI components for Elasticsearch
Hestia
Lightweight, powerful, and open-source control panel.
Crowd.dev
Open-source community and customer data platform
Inlang
A comprehensive SDK for globalization and change control.
Lost Pixel
Automated visual regression detection
Oso
An authorization library that lets developers write permission logic as readable policy code
Pirsch
Server-side web analytics that no ad blocker can ever hide from
PocketBase
An entire backend — database, auth, files, realtime — in one small binary
Inspo AI
AI design intelligence platform for UI inspiration, agentic UI generation, brand scanning, moodboards, and production-ready React interfaces.