data-privacy-stack / presidio

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.

Safe3 / uusec-waf

Industry-leading free, high-performance, AI and semantic technology Web Application Firewall and API Security Gateway (WAAP) - UUSEC WAF.

bytebase / bytebase

Database governance built for humans and agents — controlling changes and access across every major database.

GreenmaskIO / greenmask

Database anonymization and test data management

hoophq / hoop

Open-source enforcement at runtime that masks sensitive data and blocks destructive commands from AI agents. You change one thing: your agent's port.

xiaYuTian11 / maskit

数据面具 Data Maskit — 专为大模型打造的本地隐私脱敏网关（请求自动打码，回复流式还原；支持 Cursor / Claude Code / Codex / Pi 等任意可配 Base URL 工具）

CassiopeiaCode / CosyRedactGateway

Lightweight, stateless privacy gateway for LLM APIs — redact secrets before OpenAI/Anthropic upstreams and restore them transparently in SSE and tool calls.

antifailure / antifailure

A disposable copy of your production stack for every pull request: masked Postgres, contained third-party APIs, and agents that use your app like people.