FOSS for Developers

GitHub repository ↗ synced 2026/8/9

FOSS-for-Dev

A list of Free and open-source software for developers

Feel free to send a PR :)

Brothers

free for dev - A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

free-for-dev-zh - A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to Chinese devops and infradev

awesome - A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

Source Code Repos
IDE
Collaboration Tools
Code Quality
CI / CD
Security and PKI
Bug trackers
Project management
PaaS
Documentation
ADN(Application Delivery Networking)
EMT(Environment Manager Tools)

Source Code Repos

Gogs - A painless self-hosted Git Service
GitLab - Version control for your server
Package Drone - A package manager repository for OSGi, Java and more

IDE

Atom - Opensource,fully-featured,hackable text editor for coding.
Visual Studio Code - Fully-featured IDE with thousands of extensions, cross-platform app development (Microsoft extensions available for download for iOS and Android), desktop, web and cloud development, multi-language support (C#, C++, JavaScript, Python, PHP and more)
VsCodium - Fully FOSS alternative to vscode
Coding WebIDE - The Coding WebIDE Community Edition project
CodeBox - Open source cloud & desktop IDE
Brackets - A modern and open-source code editor for HTML, CSS and JavaScript.

File Management

Bat - The fancy cat with syntax highlighting and effortless fuzzy searching to save development time.
Clifm - The terminal is always in your reach when managing your files.
Clipboard - Cut, copy, and paste anything, anywhere, anytime, all from the terminal.
fzf - Fuzzy find anything in your directories.

Collaboration Tools

Filestash - A Dropbox-like web client where users can bring their own backend (FTP, SFTP, Webdav, S3, Minio, ...).
SparkleShare - An Open Source collaboration and sharing tool
ssh chat - Chat over SSH
lets chat - Self-hosted chat app for small teams
ownCloud - Open Source file sync & share, with calendar, contacts and more apps
Tolgee - Developer & translator friendly web-based localization platform

Code Quality

sonarqube - Put your technical debt under control
gerrit - Code Review
Codecov - Continuous Code Coverage

CI / CD

Jenkins - open-source continuous integration server
Travis CI - Free continuous integration platform for GitHub projects
cucumber - Simple, human collaboration
drone.io - Open Source CI platform
Gitlab CI - Gitlab Ci

Feature management

Unleash - Free open-source feature flag & toggle service. SDKs for all major languages.

Security and PKI

Ralasafe - Access Control Middleware
OpenXPKI - an enterprise-grade PKI/Trustcenter software
Selefra - An open-source policy-as-code software that provides analytics for multi-cloud and SaaS.

Bug trackers

Bugzilla - web-based bug-tracking software
Mantis - issue tracker that provides a delicate balance between simplicity and power
Trac - IT project management solution that enables software developers to track and address bugs, tasks, files, wiki pages, and more.
Open Project - Project management platform (has features like jira and confluence)

Project management

Redmine - a flexible project management web application written using Ruby on Rails
Phabricator - an open source collection of web applications which help software companies build better software
Taiga.io - Your Agile, Free and Open Source Project Management Tool

PaaS

Preevy - Provision preview environments for docker compose applications with minimal configuration
OpenShift - build, deploy, and manage your applications with Docker and Kubernetes
Zeabur - deploy your full stack apps and databases with one click

Documentation

Log4brains - Docs-as-code knowledge base to manage Architecture Decision Records (ADR) for your project and publish them automatically as a static website

Backend

Hook0 Webhooks-as-a-service (WaaS) for developers to send and manage webhooks
Okteto - Kubernetes and Docker Compose Platform
Dokku - Heroku like environment
Keploy - A developer-centric backend testing tool which makes backend tests with built-in-mocks, faster than unit tests, from user traffic

Chat and Community

Matrix - Decentrialized End-to-End Encrypted Chat platform (you may want to use Element
Discourse - Community forum
Flarum - Community Forum (PHP based)

Mail server

Mailcow Email Server - Fully feature email server (for avarage use cases @lmtr0 recommends this one)
WildDuck Email Server - nodejs application to send emails (built for scale (needs more hand work to make it work)

Environment Manager Tools

DEM - DEM (Development Environment Manager) is an open source command line tool to manage containerized Development Environments.