ActivityWatch is excellent open-source time tracking. SnapSight does something different: it reads your screen with AI vision to understand what you're actually doing — not just which app is open. Here's the full breakdown.
Try SnapSight FreeActivityWatch knows you had "Chrome - Wikipedia" open for 40 minutes. SnapSight knows you were reading a research paper about neural networks, then switched to a Stack Overflow debugging thread. One tells you what was open. The other tells you what you were doing.
ActivityWatch requires downloading a desktop application, running a background watcher service, and configuring individual watchers per application. SnapSight runs in your browser tab. Grant screen capture once, press start. That's it.
ActivityWatch uses regex-based bucketing rules to categorize apps. SnapSight lets you describe projects in plain English ("work on the SnapSight frontend repo") and the AI matches activity to that intent — based on what it sees, not keyword matching.
If you want fully open-source, self-hosted, free software with deep plugin ecosystems and community-built integrations, ActivityWatch is the right choice. It's been around longer and has a mature community. SnapSight is the right choice when you want more depth, less setup, and AI that understands context.
You want fully free, fully open source, self-hosted software. You're comfortable configuring watchers and rules. You don't mind a desktop install. You want community plugins and integrations.
You want to understand what you're actually doing, not just which app is open. You want zero-install, zero-config — open a browser tab and go. You want AI that reads your screen and classifies work by semantic context, not app names. You want cleaner charts, custom projects, and a paid tier that's still cheaper than most SaaS.
Try SnapSight free. No install. No credit card. Understand your screen time in 60 seconds.
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