Best Free Open-Source Open Source Software

Free, self‑hosted Kanban board for small teams and individuals

Free, offline Android habit tracker for building long-term routines

Build, test, and document UI components in isolation.

Self-hostable bookmark-everything app with AI-based tagging

Network-wide ads & trackers blocking DNS server

Inventory management system for efficient logistics

Fast and flexible 2D WebGL renderer

Real-time server monitoring and incident tracking

Secure, Simple and Scalable Video Conferences

Self‑hosted, open‑source newsletter and mailing list manager for developers

Pure Go implementation of the WebRTC API

Create stunning presentation slides with ease

Pure Javascript OCR for more than 100 Languages

All-in-one open-source whiteboard tool

A free, open-source RSS reader for Mac

Forms made easy for Rails

Secure, fast file transfers from the command line

3D globes and maps in the browser

Modern, open-source terminal application for Windows

Free and open-source 3D parametric modeler

A simple terminal UI for git commands

Operating system for robotics and driver assistance

Open-source RSS feed generator

Business intelligence for everyone