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Browse compatible encrypted filesystems inside Android

Run JavaScript and TypeScript with a runtime that includes testing and explicit permission controls.

A free Markdown notebook that stores notes as ordinary files and offers optional encrypted sync.

A local-first Markdown note app with an optional self-hosted encrypted sync server.

A small FTP server for Unix-like and embedded environments

Manage several encrypted-folder backends from a desktop interface

A maintained Thunderbird fork with encrypted-message search

A private, open-source writing app built around searchable notes, pins, and trails.

Local Markdown notebooks with backlinks, search, and optional self-hosted encrypted sync.

Plan and share personal or professional events in an encrypted calendar across desktop and mobile apps.

End-to-end encrypted messaging, voice, video, and file sharing for organizations.

An open-source handwriting notebook with nested folders and encrypted cross-device sync.

Keep encrypted workplace messaging on a self-hosted XMPP server.

AI-native Markdown notes with encrypted sync for developers

OpenPGP mailboxes bundled with encrypted file storage

Configurable browser with blocking and encrypted sync

Encrypted IPv6 overlay with public-key-derived addressing

Keep a working folder and an encrypted folder in sync

A configurable proxy for encrypted DNS protocols

Organize team messages, channels, and calls with optional end-to-end encrypted chats.

A Markdown notes app with wikilinks, graph views, offline work, and free encrypted sync.

A mobile crypto wallet with encrypted account backup and optional password recovery

Private business messaging with encrypted groups, files, voice calls, and disappearing messages.

A local-first personal knowledge workspace for private notes, linked objects, and databases.