Simplex Chat alternatives for AI agents.

💚 End-to-end encrypted cloud for everything.

Keep passwords and other sensitive information out of your chat logs and inboxes.

An open-source protocol enabling high-performance, local-first, peer-to-peer, end-to-end encrypted collaborative apps.

Lightweight, self-hosted, open-source chat server with voice, video, text, and screen sharing. Built for small groups who want privacy, simplicity, and full control over their data.

Ncurses based XMPP client

Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. Supports Ubuntu, Debian, CentOS/RHEL, Amazon Linux, Alpine and Raspberry Pi. Includes client config and management scripts.

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

Set up your own OpenVPN server on Debian, Ubuntu, Fedora, CentOS, Arch Linux and more

Send files and folders anywhere in the world without storing in cloud - any size, any format, no accounts, no restrictions.

Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network

A self-hosted dead man's switch for delivering encrypted messages (E2EE) to your loved ones — when you're gone or unresponsive.

Official Anytype client for MacOS, Linux, and Windows

Docker image to run an IPsec VPN server, with IPsec/L2TP, Cisco IPsec and IKEv2. Auto-generates server config and supports VPN client setup on Linux, Windows, macOS, iOS and Android.

An FHE compiler for C++

Self-hosted private chat: no cloud, no telemetry, no Big Tech. Discord alternative that runs on your own machine.

A private, p2p alternative to Slack and Discord built on Tor & IPFS