Best CI/CD Platforms Open Source Tools in 2026

Flue Framework

AI & Machine Learning Developer Tools Backend Development+1

Build powerful, autonomous agents with TypeScript.

stars 3.4Klicense Apache-2.0lang TypeScript

AI Agents Chatbots Developer Tools+2

Agent Skills

AI & Machine Learning Developer Tools Web Development

Structured workflows for AI coding agents.

stars 41Klicense MITlang Shell

AI Coding Assistant Developer Tools CI/CD Platforms

Gitea

DevOps & CI/CD Developer Tools IT Management

Self-hosted GitHub alternative with CI, issues, and PRs

stars 55.6Klicense MITlang Go

Git Self Hosted DevOps Tools+4

OpenFlags

Product & Project Management Developer Tools DevOps & CI/CD

Self-hosted feature flags for JavaScript with zero dependencies

stars 17license MITlang TypeScript

Feature Flag Self Hosted Developer Tools+3

Maestro

Developer Tools DevOps & CI/CD AI & Machine Learning

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

stars 14Klicense Apache-2.0lang Kotlin

Testing Developer Tools CI/CD Platforms+5

Languine

AI & Machine Learning Developer Tools DevOps & CI/CD

Keep translations in sync with code changes via AI-powered CLI

stars 2Klicense MITlang TypeScript

Workflow Automation AI Coding Assistant CI/CD Platforms+4

Digger

DevOps & CI/CD IT Management Cloud & Hosting

Self-hosted Terraform CI/CD that runs natively in GitHub Actions

stars 4.9Klicense MITlang Go

CI/CD Platforms Infrastructure as Code Workflow Orchestration+5

Capgo

Developer Tools DevOps & CI/CD Cloud & Hosting

Over-the-air live updates for Capacitor mobile apps

stars 759license MPL-2.0lang Java

Developer Tools Workflow Automation CI/CD Platforms+4

Flipt

DevOps & CI/CD Product & Project Management Developer Tools

Feature flags that store and evaluate on your own infrastructure

stars 4.8Klicense NOASSERTIONlang Go

Feature Flag Self Hosted Cloud Native+5

Grit

Developer Tools DevOps & CI/CD AI & Machine Learning

Automate code migrations at scale using a pattern-matching DSL

stars 4.5Klicense MITlang Rust

Developer Tools Workflow Automation Coding+4

Pulumi

DevOps & CI/CD Cloud & Hosting Developer Tools

Write infrastructure as code in TypeScript, Python, or Go

stars 25.2Klicense Apache-2.0lang Go

Infrastructure as Code DevOps Tools Cloud Management+5

Ploomber

Data & Analytics AI & Machine Learning DevOps & CI/CD

Build reproducible Python data pipelines with DAG orchestration

stars 3.6Klicense Apache-2.0lang Python

Workflow Automation Developer Framework Developer Tools+5

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