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Peer-to-peer encrypted messenger that can work over internet, Bluetooth, or local Wi-Fi.

Encrypted cloud app for private documents, notes, photos, and personal writing storage.

Cryptpad.fr

cryptpad.fr

Encrypted collaboration suite for documents, spreadsheets, forms, kanban boards, and shared notes.

Open-source email forwarding and hosting for custom domains, with unlimited aliases, standards-based mail access, and encrypted-storage options.

XMPP chat client with encrypted messaging, group chats, and plugin support.

VPN service for encrypted browsing, IP masking, and private internet access.

Cloud storage suite offering client-side encrypted file storage, sharing, and cross-platform apps, with publicly available source code.

OpenPGP key directory for finding, verifying, and sharing public encryption keys by email address.

Open-source, client-side encrypted safe boxes inside Koofr cloud storage, with web, mobile, and rclone access.

German email and productivity service with ad-free mail, aliases, encrypted transport and storage, and optional office, drive, and meeting tools.

VPN service focused on private browsing, encrypted tunnels, and secure internet access.

Open-source photo and video gallery with encrypted backup, sync, metadata protection, and no advertising or analytics in the app.

Secure messaging and collaboration platform with encrypted chats, calls, and file sharing.

Telegram link is a Telegram link for updates, app posts, files, or community notices.

Online hash lookup and decryption service for checking common password hashes.

Open source team chat platform for messaging, collaboration, and self-hosted communication.

Cloud messaging app for chats, channels, groups, calls, bots, and file sharing.

Disroot pastebin for sharing text snippets through a simple privacy-friendly web interface.

Browser-based video meeting service from Brave focused on private calls and meetings.

Browser-based tool for encoding, decoding, hashing, encryption, data conversion, and cyber analysis workflows.

) - Nostr-native social bookmarking with public NIP-B0 bookmarks, encrypted private bookmarks, imports/exports, zaps, and long-tail page archives.

Privacy-friendly online scheduling tool for polls, meeting times, and anonymous planning.

Open infrastructure for AI agents to discover, hire, and pay each other - no platform, no middleman. NIP-89 discovery, NIP-90 job marketplace, NIP-44 v2 encryption for targeted jobs, on-chain payments

XMPP chat client with encrypted messaging, group chats, and plugin support.