async-profiler vs Parca
| async-profiler | Parca | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, macOS | api, Linux, self-hosted, Web |
| Free plan | Yes | — |
| Profiling modes | both | sampling |
| Supported languages | Java, C, C++ | C, C++, Go, Rust, .NET, Deno, Erlang, Java, Julia, Node.js, Wasmtime, PHP, Ruby, Python |
| CPU profiling | Yes | Yes |
| Memory profiling | Yes | Yes |
| Thread profiling | Yes | — |
| Deployment model | self-hosted | self-hosted |
Both are listed in Best Profiling Software. On Freedom251, async-profiler scores higher on our published basis.