Free Open Source App & Website Blocker
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Updated
Oct 15, 2026 - Kotlin
Free Open Source App & Website Blocker
Free open source website and application blocker built in Rust. Block distracting sites and apps, run Pomodoro focus sessions, set daily time allowances, and stay on task. A self hosted Cold Turkey alternative for Windows, macOS, and Linux with Chrome and Firefox extensions.
Cross-platform Expo module for app blocking - IOS + Android.
Privacy-first ADHD Android app blocker with delay-to-open, reel/click counters, and per-app time budgets.
Focus: a text-only, black and white minimalist launcher for Android. App timers that lock distracting apps, a weekly screen time review, no internet permission.
MindMaster is an Android app for reducing distractions, offering app and website blocking, notification control, and data management. It supports custom profiles, different schedules, and usage insights.
Open-source, Linux-native website & app blocker (Cold Turkey alternative). CLI + systemd, 4 enforcement layers.
Native Windows focus sessions, distraction blocking, ambient sounds and local statistics.
Freedom Port for Linux. Block Websites, Apps, and the Internet.
Minimalist, distraction-free Android launcher with a cheat-proof app blocker — lock apps away for 10 days that survives reinstall, no take-backs. Cut screen time. Kotlin + Jetpack Compose.
Open-source, privacy-first study companion — app shielding, Pomodoro engine, analytics and gamification in one Flutter app.
Android app that introduces a short delay whenever you open specified apps
A personal productivity app that forces you to finish your tasks by whitelisting only work-related apps and websites
Open-source Android app blocker & website blocker for digital wellbeing, screen time control, and focus. Schedule & daily limits with self-lock passwords.
Free, open-source Opal alternative — app & website blocking for iOS + Android. No paywall, no accounts, no telemetry.
A macOS focus app that blocks distracting websites and apps on a schedule!
Productivity app for ADHD, digital minimalism, and building discipline. Includes routines, to-dos, app blocking, focus mode, and persistent reminders (Android only). Work in progress
A modern Windows productivity suite built with Python & PySide6. Features a strict app blocker, focus timer, analytics dashboard, and a stunning Acrylic Glass UI.
Friction is an Android application designed to reduce doomscrolling through intentional friction. It imposes resistance on social media platforms, converting unconscious scrolling into mindful digital behavior. Break the scroll. Reclaim your focus.
Block distracting apps and browser tabs from your Mac menu bar. Lightweight, open source, privacy-first macOS focus tool.
To associate your repository with the app-blocker topic, visit your repo's landing page and select "manage topics."