Best Open Source DevOps & CI/CD Tools in 2026

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Open Source Alternatives

no-mistakes

stars 5.8Kforks 505

Automate clean PRs with gated Git pushes

Git DevOps Tools AI Coding Assistant

agent-toolkit-for-aws

stars 1.8Kforks 155

Empower AI agents to build and manage AWS applications

AI Coding Assistant Developer Tools Cloud Native+1

meshery

stars 11.4Kforks 3.5K

Manage your Kubernetes and cloud native infrastructure

Kubernetes Cloud Native DevOps Tools+1

trivy

stars 36.3Kforks 466

Scan cloud-native workloads for security issues

Kubernetes DevOps Tools Cybersecurity+1

Nginx

stars 31.1Kforks 8.1K

Serve static files, proxy requests, terminate TLS, and cache content.

Server Management DevOps Tools Self Hosted+1

DeepSeek TUI

stars 38Kforks 3.3K

A coding agent that lives in your terminal.

CLI AI Coding Assistant Developer Tools+2

Goose

stars 48.9Kforks 5.1K

Run repeatable multi-step coding workflows from CLI or desktop

AI Agents Workflow Automation Developer Tools+3

OpenSRE

stars 6.8Kforks 900

Accelerate incident resolution with intelligent alert investigation

Workflow Automation Monitoring Observability+4

Node-RED

stars 23.4Kforks 3.9K

Low-code event-driven programming with a browser-based editor

Low-code Workflow Automation Developer Tools+4

Sentry

stars 2.2Kforks 629

Real-time error tracking with performance monitoring and traces

Error Tracking Monitoring Observability+4

Gitea

stars 56.4Kforks 6.8K

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

Git Self Hosted DevOps Tools+4

Minikube

stars 31.9Kforks 5.3K

Run a local Kubernetes cluster on macOS, Linux, or Windows

Kubernetes DevOps Tools Cloud Native+3

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