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Handpicked Open Source Alternatives to Paid Softwares

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Best DevOps Open Source Tools in 2026

Tag

DevOps Tools

SigNoz

stars 31.8Kforks 2.4K

Open source APM with logs, traces, metrics, and dashboards

Observability Monitoring DevOps Tools+5

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Unleash

stars 13.7Kforks 881

LaunchDarkly alternative with SDK for 30+ languages, self-hosted

Feature Flag A/B Testing DevOps Tools+5

Coolify

stars 60.2Kforks 5.2K

Self-hosted Heroku and Vercel alternative for any app

Self Hosted DevOps Tools CI/CD Platforms+5