Observed arrival · 2026-09-26

Activity+: a Mac monitor that traces slowdowns to apps

activityplus.xyz Visit website

Editorial interest 79/100 Selection signal · not a rating of the site

A free macOS menu-bar monitor that groups processes by app, diagnoses slowdowns, and keeps system history on the Mac.

Landing page captured for the 2026-09-26 issue.

For: Mac users troubleshooting slowdowns and resource use
Worth noticing: The page lists a read-only MCP server with seven tools, including diagnosis, history, and dev-server checks.

Field notes

The page presents diagnostics alongside underlying measurements, including CPU per app and per core, memory pressure, GPU time, and energy use. Its developer-oriented view groups servers by project folder and shows ports, memory, and idle time; the site also provides a read-only MCP command and names its seven available tools. The download is listed for Apple silicon Macs running macOS 15 or later.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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