End-to-End Encryptions

Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

Obsidian is a note-taking app that lets you create a personal knowledge graph with ease. It is designed for non-linear thinking and allows you to easily link your notes together wiki-style.

An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.

Free open-source tool offers secure, end-to-end encrypted file and message sharing over local networks across major desktop and mobile operating systems.

Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.

The Tor software protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody watching your Internet connection from learning what sites you visit, it prevents the sites you visit from learning...

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

Open-source, decentralized alternative ensuring data ownership with encrypted communication and peer-to-peer sync, void of central server reliance.

Experience instant messaging with remarkable speed and robust security. Join massive group chats or channels. Enjoy free and advanced features.

Open-source password manager storing passwords, notes, and attachments offline with AES-256 encryption, browser extensions, cross-platform support, and TOTP.

A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.

Open-source suite for editing documents, spreadsheets, presentations, forms, and PDF files with co-editing modes, plugin support, AI assistant, and integration across 40+ platforms.

Free and open source password manager storing passwords in a local encrypted database with strong AES or Twofish encryption and master key access.

Swiss-based VPN that ensures online privacy with a high-speed network, advanced encryption, and no-logs policy, offering a free version. Supports multiple platforms and unblocks content worldwide.

Local-first, privacy-focused notebook supporting Markdown and Org mode, offline use, encrypted backup, extensible with plugins, and more.

A versatile platform for text and voice communication, featuring topic-specific channels, customizable moderation, and smooth low latency interactions.

Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.

Open source tool for secure remote access and screen sharing, supporting cross-platform use and self-hosting for complete data control.

Organizes notes, tasks, and projects offline using Markdown, P2P syncing, and encrypted storage, complemented by dynamic collections on all devices.

Cloud-storage service with end-to-end encryption, selective synchronization, and shared folders without ads. Works offline and supports 2FA.

Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.

Free the internet from data collection with Mullvad VPN – a service that helps keep your online activity, identity, and location private. Only €5/month.

Generates, stores, and encrypts two-factor authentication tokens, enables secure backup, offers offline access, multi-device sync, and flexible import/export options.

End-to-end encrypted app for email, calendar, and contacts, requiring no personal data, with open source code and quantum-resistant security.