AppBreakup

Semaphore alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Semaphore: support tiers cost extra on cloud, and smaller ecosystem than GitHub Actions. We ranked 5 alternatives by how directly each one replaces Semaphore, then by reviews, real visits and how recently each app's facts were checked against its own website. CircleCI currently ranks first.

No alternatives match these filters.

Show all 5 alternatives

The best Semaphore alternative for…

The highest-ranked app in this list for each need.

CircleCI logo

Best Semaphore alternative for most people

CircleCI

Similar hosted CI with a free plan and more machine types.

Woodpecker CI logo

Best Semaphore alternative for a free option

Woodpecker CI

Lightweight free self-hosted CI if you don't need Kubernetes.

GitHub Actions logo

Best Semaphore alternative for a free plan you can upgrade

GitHub Actions

Built-in CI for GitHub repos with free public usage.

GitLab logo

Best Semaphore alternative for open source

GitLab

CI/CD integrated with hosting and security scanning.

CircleCI logo

Best Semaphore alternative for self-hosting

CircleCI

Similar hosted CI with a free plan and more machine types.

Woodpecker CI logo

Best Semaphore alternative for Linux

Woodpecker CI

Lightweight free self-hosted CI if you don't need Kubernetes.

Buildkite logo

Best Semaphore alternative for working in the browser

Buildkite

Hybrid model keeping builds on your own machines.

Semaphore alternatives: common questions

What is the best alternative to Semaphore?

CircleCI ranks first right now. Similar hosted CI with a free plan and more machine types. GitHub Actions and Buildkite follow it in our ranking.

Is there a free alternative to Semaphore?

Yes. CircleCI (free plan + paid), GitHub Actions (free plan + paid), Buildkite (free plan + paid) and Woodpecker CI (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Semaphore?

Yes: Woodpecker CI and GitLab. Woodpecker CI and GitLab can also be self-hosted.

Which Semaphore alternatives work on Linux?

Woodpecker CI runs on Linux.

Why do people switch from Semaphore?

The complaints we hear most: support tiers cost extra on cloud; smaller ecosystem than GitHub Actions; self-hosting requires Kubernetes.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Semaphore, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.