DevOps Open Source Tools

Alternative toGitHub

Self-hosted Git server with CI/CD, security scans, and planning

• 24,535 GitHub stars
• MITLicence MIT

Alternative toAWS Step Functions

Durable workflow orchestration for reliable, long-running apps

• 23,857 GitHub stars
• MITLicence MIT

Alternative toDatadog

Self-hosted observability for logs, metrics, and traces

• 22,443 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #Monitoring

Alternative toConfluence

Self-hosted collaborative wiki and documentation tool

• 22,041 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toGrafana Cloud

High-performance self-hosted time series database and metrics

• 17,887 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

Alternative toKong Konnect

Cloud-native API gateway with dynamic routing and plugins

• 17,243 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toKatalon Studio

Simple end-to-end testing for iOS, Android, and web apps

• 16,149 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Testing

Alternative toGitHub

Git, CI/CD, issue tracking, wikis, and AI agents on your own server.

• 15,318 GitHub stars
• MITLicence MIT

Alternative toCloudflare

Community-powered threat detection and IP blocklist

• 15,226 GitHub stars
• MITLicence MIT
• #Security

Alternative toHeroku

Self-hosted PaaS: deploys any language, automatic HTTPS, zero fees.

• 15,187 GitHub stars
• CustomLicence Apache-2.0 with additional terms