Coolify vs Cosmos
| Tagline | Self-hostable Heroku/Netlify alternative for apps, databases, and services | Secure self-hosting gateway and server manager with built-in privacy features |
| Category | Self-Hosting Platforms & PaaS | Self-Hosting Platforms & PaaS |
| Replaces | Heroku, Vercel, Netlify, Render | Heroku, Render, Netlify |
| GitHub stars | 57k | 6k |
| Language | PHP | Docker |
| License | Apache-2.0 | Apache-2.0 |
| Self-host difficulty | 2/5 Easy | 2/5 Easy |
| Deploy options | One-Click Docker Docker Compose Manual | Docker Docker Compose |
| Managed hosting | ||
| Last updated | 2 days ago | 23 days ago |
| View repo | View repo |
Where each falls short
The honest trade-offs — what you give up with each, versus the proprietary tools they replace.
Coolify
- No managed global edge/CDN network; you run on your own VPS so global latency and DDoS protection are your responsibility.
- Scaling is largely single-server by default; multi-node clustering is less mature than cloud autoscalers.
- Built-in observability (logs/metrics/tracing) is basic compared to Heroku/Render dashboards.
- Some advanced features and polish still in flux; occasional breaking changes between releases.
Cosmos
- No Git-based or CI/CD deployment pipeline for custom code
- App marketplace is smaller and less mature than CasaOS or Umbrel
- Multi-server and horizontal scaling are not supported
- Documentation and community support are limited compared to more established platforms
Bottom line
Both are a similar lift to self-host; choose Coolify for the larger community and ecosystem. Coolify has seen more recent development. Open each guide below for deploy steps and the full feature gap.