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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.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1CircleCI logoCircleCIFree plan + paidNoWeb, Self-hosted4 of 466.5
2GitHub Actions logoGitHub ActionsFree plan + paidNoWeb, Self-hosted4 of 462.6
3Buildkite logoBuildkiteFree plan + paidNoWeb, Self-hosted4 of 459.6
4GitLab logoGitLabFree plan + paidYesWeb, Self-hosted4 of 455.3
  1. CircleCI logo

    1. CircleCITop pick

    Best for: Teams with large test suites that want faster builds and better insight than built-in CI

    Free plan + paidSelf-hostableWeb, Self-hosted

    66.5

    score / 100

    Why switch from Semaphore

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

    Pros

    • Wide choice of machine types including macOS and GPU
    • Test splitting, caching and insights for speed
    • Works with GitHub, GitLab and Bitbucket

    Cons

    • Credit-based pricing takes effort to predict
    • Separate tool from your code host
    • Config can get complex with orbs and anchors
    Visit CircleCI Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is CircleCI a good Semaphore alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Up to 6,000 build minutes/month
    Checked Oct 25, 2026circleci.com(opens source in a new tab)
    Free plan users
    Up to 5 active users
    Checked Oct 25, 2026circleci.com(opens source in a new tab)
    Performance plan
    From $15/month
    Checked Oct 25, 2026circleci.com(opens source in a new tab)
    Included credits
    30,000 on Performance
    Checked Oct 25, 2026circleci.com(opens source in a new tab)
  2. GitHub Actions logo

    2. GitHub Actions

    Best for: Teams hosting code on GitHub who want CI/CD right next to their repositories

    Free plan + paidWeb, Self-hosted

    62.6

    score / 100

    Why switch from Semaphore

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

    Pros

    • No separate tool to set up for GitHub repos
    • Large marketplace of reusable actions
    • Free for public repositories

    Cons

    • Hosted runners are slower than specialist providers
    • YAML workflows get hard to debug at scale
    • Only works with GitHub-hosted code
    Visit GitHub Actions Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is GitHub Actions a good Semaphore alternative?

    Verified facts

    4 of 4 verified
    Free usage
    Public repos and self-hosted runners
    Checked Oct 25, 2026docs.github.com(opens source in a new tab)
    Free plan minutes
    2,000/month
    Checked Oct 25, 2026docs.github.com(opens source in a new tab)
    Team plan minutes
    3,000/month
    Checked Oct 25, 2026docs.github.com(opens source in a new tab)
    Linux minute price
    $0.006 per minute
    Checked Oct 25, 2026docs.github.com(opens source in a new tab)
  3. Buildkite logo

    3. Buildkite

    Best for: Engineering teams with large build volumes who want builds on their own infrastructure

    Free plan + paidWeb, Self-hosted

    59.6

    score / 100

    Why switch from Semaphore

    Hybrid model keeping builds on your own machines.

    Pros

    • Builds run on your own machines, keeping code private
    • Scales to very high concurrency
    • Dynamic pipelines suit large monorepos

    Cons

    • You manage the agent infrastructure unless you pay for hosted agents
    • Per-user pricing adds up for big orgs
    • More setup than all-hosted CI
    Visit Buildkite Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Buildkite a good Semaphore alternative?

    Verified facts

    4 of 4 verified
    Free plan
    $0 for solo developers and small teams
    Checked Oct 25, 2026buildkite.com(opens source in a new tab)
    Pro plan
    $30 per active user/month
    Checked Oct 25, 2026buildkite.com(opens source in a new tab)
    Free trial
    30 days, no card
    Checked Oct 25, 2026buildkite.com(opens source in a new tab)
    Self-hosted agents
    Yes
    Checked Oct 25, 2026buildkite.com(opens source in a new tab)
  4. GitLab logo

    4. GitLab

    Best for: Organisations wanting code, CI/CD and security in one tool, often self-managed

    Free plan + paidOpen sourceSelf-hostableWeb, Self-hosted

    55.3

    score / 100

    Why switch from Semaphore

    CI/CD integrated with hosting and security scanning.

    Pros

    • Very capable built-in CI/CD
    • Free self-managed Community Edition
    • One product covering most of the delivery lifecycle

    Cons

    • Dense interface with many features
    • Key features locked to expensive tiers
    • Free hosted tier is limited to 5 users per group
    Visit GitLab Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is GitLab a good Semaphore alternative?

    Verified facts

    4 of 4 verified
    Free plan
    $0, 5 users per group
    Checked Oct 25, 2026about.gitlab.com(opens source in a new tab)
    Free compute minutes
    400/month
    Checked Oct 25, 2026about.gitlab.com(opens source in a new tab)
    Premium plan
    $29 per user/month (billed annually)
    Checked Oct 25, 2026about.gitlab.com(opens source in a new tab)
    Premium compute minutes
    10,000/month
    Checked Oct 25, 2026about.gitlab.com(opens source in a new tab)

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.