Semaphore UI

Modern open-source UI for Ansible, Terraform and OpenTofu

★ Stars14.3k14,278 on GitHub

Last committoday19 Oct 2026

LicenceMITSPDX, from the repository

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From GitHub, fetched 19 Oct 2026.

Visit semaphoreui.com ↗

Semaphore UI is an open-source web UI to run Ansible, Terraform, OpenTofu, and shell scripts with scheduling and access control.

Fit: hosting and licence

Runs on	Linux, Self-hosted
Hosting	Self-host
Commercial use	Allowed Open-source licence (MIT): the Open Source Definition rules out restrictions on fields of use, including business use.

Sources: semaphoreui.com · opensource.org/osd, checked 19 Oct 2026. “Runs on” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.

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Details

Status	Open source
Licence	MIT
Platforms	Linux, Self-hosted
Category	IT runbooks & infra automation
Website	semaphoreui.com
Source	GitHub

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