open source

Stratum is an open-source two-factor authentication app for Android that secures your accounts with encrypted backups, biometric protection, and support for TOTP, HOTP, Steam, and Yandex authenticator

Proton Authenticator is an open-source, end-to-end encrypted two-factor authentication app that stores your 2FA codes entirely on your device. Built by Proton Mail and trusted by millions, it gives yo

Bruno is an open-source API client designed for developers who need to test and debug APIs without relying on cloud services. It integrates directly with Git, allowing you to version control your API

Mullvad VPN is a privacy-focused VPN service that encrypts your internet traffic and masks your IP address and location from websites and your ISP. The app creates anonymous accounts with no email req

Thunderbird is a free, privacy-focused email app that lets you manage multiple email accounts from a single interface with an optional Unified Inbox. Built on open-source technology and funded entirel

Proton Mail is an encrypted email app that protects your communications with end-to-end encryption, making messages unreadable to anyone except sender and recipient. Create a @proton.me or @protonmail

motî is a multilingual dictionary and language learning app that provides word definitions across more than 40 languages sourced from Wiktionary. The app includes etymologies to help learners connect

Ente Auth is a two-factor authentication app that generates and stores 2FA tokens on your phone, tablet, or desktop. It backs up your tokens with end-to-end encryption so you won't lose them if your d

Proton Pass is a free, open-source password manager created by the team behind Proton Mail and Proton VPN. It offers end-to-end encryption, unlimited password storage across unlimited devices, and aut

Raivo is a two-factor authentication app for iPhone and Mac that stores one-time passwords with end-to-end encrypted iCloud backup and sync. Sign in with Face ID or Touch ID, then copy your OTP to you

Aegis Authenticator is a free, open-source 2FA app that stores and manages one-time passwords for two-step verification across thousands of online services. It supports industry-standard HOTP and TOTP

VLC media player is a free, open-source multimedia player that plays movies, shows, and music in most formats without requiring conversion. It supports file synchronization with Dropbox, Google Drive,

NetNewsWire is a free and open source RSS reader that aggregates articles from your favorite blogs and news sites in one place, replacing the need to visit multiple sites or rely on social media algor

Lulu is a free, open-source firewall for Mac that blocks unknown outgoing connections to protect your privacy. Designed for users concerned about unauthorized data transmission, it monitors all outbou

MongoDB is a cross-platform document-oriented database that stores data in JSON-like documents with optional schemas. As a NoSQL database, it offers flexibility in data structure compared to tradition

2FAS is a free two-factor authentication app that secures your online accounts with TOTP and HOTP algorithms. It syncs across mobile devices, works offline, and requires no account or password storage

K-9 Mail is an open source email client that supports multiple accounts and works with basically every email provider. It offers a unified inbox, automatic background synchronization or push notificat

Telegram Messenger is a fast, cloud-synced instant messaging app with over 1 billion active users. Messages and media sync across all your devices without keeping your phone connected, and your entire

Signal is a free messaging app built around end-to-end encryption, keeping all communication private by design. Send texts, voice messages, photos, videos, GIFs, and files over your data connection wi