Best CI/CD tools by public signals

These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.

Use Case Rankings

Ordered by ToolVitals score, then health, shipping, confidence, GitHub stars, and name.

#ToolHealthShippingOpennessStarsScoreStatus
01App Store Connect CLI
Scriptable CLI for App Store Connect automation.
9899OSI-approved OSS7.2k98Active
02Dagger
Automation engine to build, test and ship any codebase. Runs locally, in CI, or directly in the cloud
9797OSI-approved OSS16.2k97Active
03Buildkite Agent
Open-source toolkit for securely running build jobs on any device or network.
9797OSI-approved OSS1.1k97Active
04Jenkins
Jenkins automation server
9796OSI-approved OSS26.5k97Active
05PipeCD
The One CD for All {applications, platforms, operations}
9796OSI-approved OSS1.4k97Active
06Distr
Open source control plane for self-managed and on-prem deployments.
9697OSI-approved OSS1.2k96Active
07Superplane
The open source control plane for platform engineering.
9696OSI-approved OSS7.3k96Active
08Fastlane
🚀 The easiest way to automate building and releasing your iOS and Android apps
9694OSI-approved OSS42.1k95Active
09Zadig
Zadig: An AI-powered, cloud-native, distributed DevOps platform designed for developers
9595OSI-approved OSS3.2k95Active
10werf
A solution for implementing efficient and consistent software delivery to Kubernetes facilitating best practices.
9594OSI-approved OSS4.7k94Active
11ReARM
Release governance platform for the agentic era.
9494OSI-approved OSS12794Active
12jx
Jenkins X provides automated CI+CD for Kubernetes with Preview Environments on Pull Requests using Cloud Native pipelines from Tekton
9394OSI-approved OSS4.7k93Active
13GoCD
GoCD - Continuous Delivery server main repository
9293OSI-approved OSS7.4k93Active
14Gitness
Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries.
9187OSI-approved OSS38.3k90Active
15Harness
Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries.
9187OSI-approved OSS38.3k90Active
16Devtron
The only Kubernetes dashboard you need
9084OSI-approved OSS5.6k87Active
17OVS CDS
Enterprise-Grade Continuous Delivery & DevOps Automation Open Source Platform
8781OSI-approved OSS4.8k85Active
18gitmanager
Self-hosted dashboard for deploying Git repositories to local and remote paths.
7771OSI-approved OSS774Active
19Wrkflw
Validate and Run GitHub Actions locally.
6248OSI-approved OSS3.3k57Warning
20DevSpace
DevSpace - The Fastest Developer Tool for Kubernetes âš¡ Automate your deployment workflow with DevSpace and develop software directly inside Kubernetes.
354OSI-approved OSS5.2k23Critical
21LiteOps
LiteOps - lightweight DevOps platform and CI/CD solution.
2810OSI-approved OSS50821Critical
22Act
Run your GitHub Actions locally 🚀
305OSI-approved OSS72k20Critical

Not Scored

Tracked for context, but excluded from rankings because comparable open/source-visible evidence is unavailable.