Notes & productivity

🔥 PlainApp is an open-source app that lets you securely manage your phone from a web browser. Access files, media, contacts, SMS, calls, and more through a simple, easy-to-use interface on your desktop.

A simple and beautiful calculator for Android downloaded more than 300k times

Thunderbird for Android is an open-source, privacy-focused email app for Android that manages multiple email accounts in one place, with an optional Unified Inbox.

Nextcloud iOS app: a mobile client for Nextcloud, the self-hosted cloud for files, sync and collaboration, letting you access your server files from an iPhone or iPad.

Nextcloud Android app, a mobile client for accessing, syncing and managing files on your self-hosted Nextcloud server from Android phones and tablets.

Markor is a free, lightweight Android text editor and notes app for Markdown, todo.txt, Zim wiki and plain text files that works fully offline.

iOS is an open-source Home Assistant companion app for iPhone, iPad, Mac and Apple devices, giving mobile control of your smart home.

E2E test framework for tests with complex environment requirements.

Flutter-based mobile app for managing files with OpenList.

A private logbook with a staff of personal AI assistants. Agents read what you record and propose what to do next — you approve the changes. End-to-end encrypted sync between your own devices — servers only ever see ciphertext. Local AI optional.

An open-source Flutter POS system designed for small restaurants and businesses.

Document Scanner that protects your privacy

Back up your device without vendor lock-ins, using insecure software or root. Supports encryption and compression out of the box. Works cross-platform.