A native macOS menu bar performance monitor that records CPU, memory, GPU, network, disk and battery history so you can trace slowdowns back to the processes behind them.
94140SwiftMITUpdated 3 days ago
3 alternatives
Best open-source alternatives to Activity Monitor (2026)
Looking for a free, open-source alternative to Activity Monitor? These 3 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| Zesty0wl/mac-performance-monitor | ★ 941 | MIT | 3 days ago |
| Nongfsq/ftop | ★ 325 | MIT | 7 days ago |
| jianyintang/find-disk-killer | ★ 220 | MIT | 22 days ago |
A small native macOS system monitor for Apple Silicon Macs, shown as one floating glass panel that resizes to fit.
32517SwiftMITUpdated 7 days ago
A native macOS app that shows which application, files, and disk are behind sustained disk activity, with bounded file tracing on demand.
22016SwiftMITUpdated 22 days ago
FAQ
- Is there a free, open-source alternative to Activity Monitor?
- Yes. The most popular open-source alternatives to Activity Monitor on Repolode are mac-performance-monitor, ftop, find-disk-killer.
- Which Activity Monitor alternative should I choose?
- mac-performance-monitor has the most GitHub stars and is released under MIT. Compare the license and last commit of each option in the table above before choosing.