Best iOS Open Source Software

Open-source Spotify client for every platform

Fast, zero-copy serialization library for games and services

Free research manager to collect, organize, cite, and share sources.

The fast, private, and independent web browser that puts your security first.

Secure, self-hosted team messaging and collaboration.

Free, peer-to-peer messaging and calling app with no servers and no personal data required.

An encrypted messenger that runs over standard email servers instead of a proprietary network.

Stateless password manager

No-logs VPN with open-source apps, unlimited connections, and strong torrenting support.

No-logs VPN from a 15-year operator that publishes transparency reports and annual security audits.

Self-hosted open-source file sync and share platform with high performance.

Private messenger with no user IDs, so you own your contacts and groups

Open-source media center for all your entertainment needs

Secure CommsOS for mission-critical operations

Google's open-source framework for building natively compiled apps for mobile, web, and desktop from one codebase.

The most secure hardware wallet for crypto assets

Open-source multi-chain crypto wallet with built-in transaction security simulation.

A local-first, privacy-focused workspace for notes, docs, and databases you fully own.

Open-source client-side encryption that locks individual files before they sync to any cloud drive.