| Feature | Semaphore UI | Gaia |
|---|---|---|
| Has FOSS version | ✅ YES | ❌ NO |
| Ease of setup and maintenance | ✅ YES | ❌ NO |
| Efficient use of CPU and RAM | ✅ YES, written in pure Go | ❌ NO, written in Java |
| Can operate without Kubernetes, Docker, Java, etc | ✅ YES, single binary file | ❌ NO, require Java |
| Can run Terraform/OpenTofu code | ✅ YES | 😕 Doesn't support OpenTofu |
| Can run Bash scripts | ✅ YES | ❌ NO |
| Support remote runners | ✅ YES | ✅ YES |
| SaaS | ✅ YES | ❌ NO |
| Fully on-premises | ✅ YES | ✅ YES |
Advantages of Semaphore UI over Gaia
1. Active development
Semaphore UI is actively developed and maintained by the team. We are constantly adding new features and improving the existing ones. We are also very responsive to the community feedback and bug reports.
Gaia on the other hand is not actively developed. The last commit was made in 2022 and there has been no activity since then.
2. Active community
Semaphore UI has a very active community of users and contributors. We have a dedicated forum where users can ask questions, share their experiences and help each other out.
Gaia does not have an active community. There is no forum or any other place where users can interact with each other.
3. Modern stack
Semaphore UI is built using modern technologies like Go and Vue.JS. This makes it fast, reliable and easy to maintain.
Gaia uses outdated stack. This makes it slow, unreliable and hard to maintain.
4. Support for Ansible, Bash and Pulumi
Semaphore UI supports Ansible, Bash and Pulumi out of the box. This makes it easy to automate your infrastructure and deployments.
Gaia supports only Terraform. You will have to use other tools to achieve the same functionality.
While Gaia offers a simple and focused solution for Terraform users, Semaphore UI a better choice for teams looking for an all-in-one solution that can grow with their needs.