Best Free Open-Source Open Source Software

The open-source CMS powering much of the web.

Free, open-source image editor.

The advanced open-source relational database.

Private, end-to-end encrypted messaging.

Open-source, self-hosted alternative to Trello, Asana, and Notion

Fast, flexible flat‑file CMS for developers and designers

Open‑source Laravel eCommerce framework for fast, customizable online stores

Fast, secure file sharing across your local network

An opinionated code formatter.

A modern, automatic HTTPS web server and reverse proxy

Open‑source task manager that blends time tracking, kanban and agile planning for freelancers and small teams.

Python library for video editing

A cloud‑native, MySQL‑compatible distributed SQL database for massive scalability

Automate cloud security and compliance

A free, open source note-taking and to-do application

A knowledge management tool for personal knowledge base and note-taking

A modern, open-source, headless CMS

Cross-platform, customizable ML solutions for live and streaming media

Business Intelligence Web Application

Self-hosted photo and video management

A list of Free Software network services and web applications which can be hosted locally

Simple, open-source blogging platform

Self-hosted uptime and status page

A minimalistic, open-source note-taking app