Semaphore UI
Modern web UI and API for automating DevOps tools.
14.1k stars 1.3k forks last commit first released MIT
Actively maintained
Last commit 3 Sept 2026.
Semaphore UI is a modern web UI for managing popular DevOps tools. It provides a clean interface to run tasks across tooling such as Ansible, Terraform/OpenTofu, Bash, and PowerShell with a focus on clarity and security.
Key Features
- Easily run Ansible playbooks, Terraform/OpenTofu code, Bash, and PowerShell scripts.
- Receive notifications about failed tasks.
- Project isolation and granular access control.
- Intuitive workflow and quick setup.
Use Cases
- Orchestrate infrastructure automation with Ansible, Terraform/OpenTofu, and Bash.
- Manage multi-team deployments with project isolation and role-based access.
- Track tasks with templates, schedules, and inventories to automate repetitive workloads.
Limitations and Considerations
Conclusion
Semaphore UI is an open-source, modern UI for automating DevOps workflows. It combines a Go backend with a Vue.js front-end, runs in Docker/K8s, and supports common databases to fit existing environments. It is backed by an active open-source community and ongoing development.
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