
bitcoin
Full-node Bitcoin client that validates transactions and blocks on the peer-to-peer network, with integrated wallet, cryptographic security, and…

Full-node Bitcoin client that validates transactions and blocks on the peer-to-peer network, with integrated wallet, cryptographic security, and…

🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026

Secure tunneling daemon implementing VPN protocols with TLS encryption, certificate authentication, and routing/firewall configuration for private…

Secure, private AI agent operating system with local encrypted storage, OAuth/SSO authentication, policy-based access control, and extensible…

YC (S26) | Open Computer History | Record your screen continuously locally and provide context to your agents (Claude, Codex, Openclaw, Hermes,…

Portable DNS resolver in Rust — .numa local domains, ad blocking, developer overrides

A filter list that hides website features which use Generative AI & content labeled as AI Generated.

🛡 I2P: End-to-End encrypted and anonymous Internet

Open-source iOS messenger providing end-to-end encrypted text, voice, and video calls via the Signal Protocol, with no analytics or telemetry…

The Secure CommsOS™ for mission-critical operations

Homomorphic Encryption demos

Hardened Android web browser forked from Mull/Firefox with privacy-focused patches, anti-fingerprinting, telemetry removal, and secure defaults for…

Open-source VPN protocol that tunnels TCP, UDP, and ICMP traffic over HTTPS, bypassing DPI and throttling. Features split tunneling, SOCKS5 proxy,…

Peer-to-peer code collaboration and publishing stack with a secure, decentralized protocol, CLI tool, and network daemon for sovereign code forges.

Open source Dropbox-like file sharing with full client encryption !

Simple and flexible tool for managing secrets

Cross-platform system DNS client for uBlockDNS with device wide ad and tracker blocking and real time filter updates.

Suite of hardened Firefox configurations using AutoConfig and Enterprise Policies to enhance privacy, security, and usability while maintaining…