Open Source Kotlin Software & Tools

Privacy-first Android dialer with call blocking, multi-SIM support, and no ads or tracking.

Android music app that plays YouTube Music, Gaana and Saavn plus your local files through one ad-free interface.

Turn your Android phone into a 4K webcam via USB or WiFi with an open-source desktop client and mobile app.

Open-source uptime and SSL monitoring service with status pages, multiple notification channels, and Prometheus integration.

Self-hosted personal nutrition tracker with PWA and Android app. No telemetry, no cloud sync, full data ownership.

A lightweight, open-source game library manager that allows you to organize, access, and share your video games through a web interface.

Modern Android dialer with built-in contacts, AMOLED themes, QR sharing, and dual-SIM support.

An open-source, cross-platform remake of Civilization V that runs on Android and desktop with full mod support.

Privacy-first password manager with built-in email aliasing. Fully encrypted and self-hostable.

Android app that removes EXIF metadata from photos via the share menu before sharing.

A free, open-source Android app for markdown notes and task lists with reminders, file attachments, and optional Nextcloud sync.