Apache Traffic Server vs Varnish Enterprise
| Apache Traffic Server | Varnish Enterprise | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | Yes |
| Paid from | — | — |
| Open source | No | No |
| Platforms | macOS, Linux | Linux, self-hosted |
| Free plan | — | No |
| Deployment | — | both |
| Cache targets | — | HTTP web content, APIs, streaming video, HLS/DASH byte ranges, software artifacts, S3/object-storage content |
| Edge caching | — | Yes |
| Data persistence | — | Yes |
| High availability | — | Yes |
| Supported cache engines | — | memory, file, MSE4 |
Both are listed in Best Caching Software. On Freedom251, Apache Traffic Server scores higher on our published basis.