#privacy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

Privacy and Security focused Segment-alternative, in Golang and React

FHEVM, a full-stack framework for integrating Fully Homomorphic Encryption (FHE) with blockchain applications

Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.

Network-wide ads & trackers blocking DNS server

Code security scanning tool (SAST) to discover, filter and prioritize security and privacy risks.

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

Monorepo for StartOS, StartWRT, StartTunnel, start-sdk, start-docs, start-cli, start-registry, patch-db, and various shared libraries

Build AI agents for your PC

Find and redact sensitive data before it leaks — a fast, offline CLI and Go library that detects PII, secrets, and credentials in files and streams, scores them with context-aware confidence, and redacts them format-preserving. Nothing leaves your host.

Searchable, application-level encryption for building privacy-first apps

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

Commerce Search & Discovery frontend web components

Efficient embeddable adblocker library

GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.

Private web search for AI assistants via SearXNG — supports Claude, Cursor, and any MCP client

Ad-blocker and privacy guard for Windows, macOS and Linux.

Backend for HTTP Observatory on MDN

A fast, secure and easy to use VPN. Built by the makers of Firefox.

Shared library for Anytype clients

The Developer-First Cookie Banner

Hyperledger FireFly is the first open source Supernode: a complete stack for enterprises to build and scale secure Web3 applications. The FireFly API for digital assets, data flows, and blockchain transactions makes it radically faster to build production-ready apps on popular chains and protocols.

Monero: the secure, private, untraceable cryptocurrency

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

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

A fully open source & end-to-end encrypted note taking alternative to Evernote.

OpenHuman is an open source agent harness with local-first memory, agent orchestration, and workflows