Best Open Source SysAdmin Tools in 2026
Command-line tools and utilities for system administration, server management, and DevOps tasks.
The most popular pick this year is Coolify with 54,922 GitHub stars, but all 2 options below are worth considering depending on your needs.
2 open source sysadmin tools — ranked by GitHub stars. Browse all
Coolify
An open-source & self-hostable Heroku / Netlify / Vercel alternative.
DigitalOcean
Komodo
🦎 a tool to build and deploy software on many servers 🦎
DigitalOceanHow we rank these tools
Tools are ranked by GitHub stars as a proxy for community adoption and trust. Stars reflect how many developers found a project valuable enough to bookmark — a reasonable signal for quality in the open source world. We only list tools that are actively maintained and open source.
Looking for tools you can run yourself? Browse self-hosted sysadmin tools →