At a glance
- Semaphore is listed under CI/CD, alongside Bitrise, Buildkite and CircleCI.
- Semaphore is available on CLI and API.
- Semaphore works with GitHub, Bitbucket, Slack, Okta and ArgoCD.
- Semaphore's main features: Workflows, Test reports, Dashboards, Self-hosted Agents, Monorepo Workflows.
- Semaphore's website lists SOC 2, ISO 27001 and SSO.
- Semaphore has a public API.
- Semaphore can be self-hosted.
- We haven't confirmed whether Semaphore has a free plan.
Facts from semaphore.io, checked October 23, 2026.
The summary writes itself once 5 people have reviewed this tool.
It's built only from what reviewers say: who it's best for, who should think twice, and what comes up again and again.

