Show HN: ScreenGuard – Open-source digital wellbeing and app limits for Linux

Category: other

Tags: digital-wellbeing, linux, flutter, screen-time, gnome, wayland, x11, privacy

Score: 5.8/10 (Innovation: 4, Technical: 6, Documentation: 8, Utility: 5)

ScreenGuard is a Flutter-based Linux desktop app that brings Android-style Digital Wellbeing features—screen time tracking, daily app limits with lockout screens, and a Pomodoro focus mode—to X11 and GNOME Wayland. It combines a background Dart daemon, a GNOME Shell extension, and SQLite logging with a polished Material 3 UI. Its privacy-first, local-only design fills a real gap on Linux, though cross-desktop Wayland support is still limited.

Target audience: Linux desktop users, productivity-focused individuals, parents managing kids' screen time, and desktop environment enthusiasts

Repository: https://github.com/adityakrishnan005-a11y/ScreenGuard · Dart · GPL-3.0 · 23 stars

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