Best for Anyone who wants free, open-source system readouts in the menu bar.
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Stat Space vs Stats
A Stats alternative for developers
Stats is the free, open-source menu bar monitor most Mac developers start with. Stat Space matches it on the system stats, also for free, then answers the questions Stats doesn’t ask: what’s on :3000, what your agent left running, and why your Mac won’t sleep.
Best for Developers who want system stats plus ports, agents and keep-awake in one light menu bar app.
Stat Space Stats
CPU, GPU, memory, disk, networksensors, battery, fans, Bluetooth
Menu bar charts
Price Free · Pro once Free
Open source —
Helpers grouped into their appXPC, Electron renderers —
Listening ports → project & launcher —
AI agent sessions & leftovers —
Orphaned dev-process cleanup —
CLI + MCP server for agents —
Keep awake + “why won’t it sleep” —
Speed test, ping, traceroute, devices —
Intel Macs —
Where Stats shines
- Free and open source, with a long track record and an active community.
- Runs on Intel Macs as well as Apple Silicon.
- Lots of menu bar modules and styles to choose from.
What Stat Space adds
- Every port traced to its project folder and launcher, with an exposed-to-LAN warning.
- Claude Code, Codex and Cursor sessions, and one-tap cleanup of what they leave behind.
- A
statspaceCLI and MCP server, so your agent can ask what’s running before it starts another server. - Keep-awake timers and the list of apps holding your Mac awake.
- Its own CPU and memory, always visible in the popover.
Use both?
Everything Stats shows is free in Stat Space too, so most people replace it. If open source matters most to you, keep Stats for the readouts and use Stat Space’s Ports and Agents tabs alongside.
As of November 2026. Spotted something out of date? Email support@statspace.app and we’ll fix it.
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Know what your Mac is doing, without adding to it.
Free, no account. Pro is $9.99 once for the first 100 buyers.