Frame profiler
Profilers
Measure where a program spends its time and memory, and draw it as flame graphs or timelines.
Changes in this category (RSS)
Side by side
| Tool | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|
| Tracy | 17k | Other | Open source | No | C++ | v0.14.1 | 2026-10-05 |
| py-spy | 16k | MIT | Open source | No | Rust | v0.4.2 | 2026-10-06 |
| Memray | 15k | Apache-2.0 | Open source | No | Python | v1.20.0 | 2026-10-06 |
| Scalene | 14k | Apache-2.0 | Open source | No | Python | v2.3.0 | 2026-10-01 |
| pprof | 9.3k | Apache-2.0 | Open source | No | Go | none | 2026-10-06 |
| async-profiler | 9.2k | Apache-2.0 | Open source | No | C++ | v4.5 | 2026-09-29 |
| pyinstrument | 8k | BSD-3-Clause | Open source | No | Python | v5.1.3 | 2026-09-01 |
| speedscope | 6.8k | MIT | Open source | No | TypeScript | v1.25.0 | 2026-05-15 |
| cargo-flamegraph | 6k | Apache-2.0 | Open source | No | Rust | v0.6.14 | 2026-10-05 |
| samply | 4.4k | Apache-2.0 | Open source | No | Rust | samply-v0.13.1 | 2026-10-05 |
10 tools
Sampling profiler for Python programs
Memray is a memory profiler for Python
- Language
- Python
- Licence
- Apache-2.0
- Stars
- 15k
- Latest
- v1.20.0
- Last push
- 2026-10-06
Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python with AI-powered optimization proposals
- Language
- Python
- Licence
- Apache-2.0
- Stars
- 14k
- Latest
- v2.3.0
- Last push
- 2026-10-01
pprof is a tool for visualization and analysis of profiling data
- Language
- Go
- Licence
- Apache-2.0
- Stars
- 9.3k
- Last push
- 2026-10-06
Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events
- Language
- C++
- Licence
- Apache-2.0
- Stars
- 9.2k
- Latest
- v4.5
- Last push
- 2026-09-29
🚴 Call stack profiler for Python. Shows you why your code is slow!
- Language
- Python
- Licence
- BSD-3-Clause
- Stars
- 8k
- Latest
- v5.1.3
- Last push
- 2026-09-01
🔬 A fast, interactive web-based viewer for performance profiles.
- Language
- TypeScript
- Licence
- MIT
- Stars
- 6.8k
- Latest
- v1.25.0
- Last push
- 2026-05-15
Easy flamegraphs for Rust projects and everything else, without Perl or pipes <3
- Language
- Rust
- Licence
- Apache-2.0
- Stars
- 6k
- Latest
- v0.6.14
- Last push
- 2026-10-05
Command-line sampling profiler for macOS, Linux, and Windows
- Language
- Rust
- Licence
- Apache-2.0
- Stars
- 4.4k
- Latest
- samply-v0.13.1
- Last push
- 2026-10-05