Open-source projects tagged “security”

A Python CLI that locks your desktop automatically when your paired Bluetooth phone or smartwatch moves out of range.

An MCP server that exposes Ghidra's reverse-engineering functions so LLM clients can decompile and analyze binaries.

A CLI tool that finds leaked credentials across Git, cloud storage, chat and other sources, and checks whether each one is still live.

Converts untrusted PDFs, office documents, and images into safe PDFs by rendering every page as pixels inside a sandbox.

A self-hosted home server gateway and manager that adds reverse proxy, SSO/2FA authentication, anti-bot and anti-DDoS protection to your apps.

A Python scanner that checks MCP servers and tools for security threats using Cisco AI Defense, YARA rules, and LLM-based analysis.

Self-hosted code quality and security platform that finds bugs, vulnerabilities and maintainability issues through static analysis.

A curated awesome-list of threat intelligence resources, including IOC feeds, blocklists, malware repositories, tools, standards and research.

Disk encryption software based on TrueCrypt 7.1a, with security enhancements, for encrypting drives, partitions and containers.

A portable, small-footprint C library implementing X.509 certificates and the TLS and DTLS protocols, suited to embedded systems.

All-in-one OSINT web app that runs on-demand checks on any website, covering DNS, SSL, headers, server info, and security configuration.

A messaging app and network that uses no user identifiers, with end-to-end encryption and private message routing across iOS, Android, desktop and CLI.

Network traffic monitor that flags communication with known malicious domains, IPs, URLs and User-Agents using indicator lists called trails.

A fast Go-based Dockerfile linter that flags common issues, anti-patterns and security risks with 60+ rules and a 0-100 quality score.

An open-source AI coworker for your desktop that completes finished tasks like security reviews, documents, and inbox triage, with approval gates and a sandbox.

A web toolkit for analyzing any domain, covering DNS records, IP geolocation, WHOIS, and SSL/TLS certificate history.

A CLI and TypeScript SDK from OpenAI for scanning code for security vulnerabilities, validating findings, and generating fixes.

Open-source password manager built with Flutter, compatible with KeePass 2.x (KDBX 3 and KDBX 4) databases across mobile, desktop and web.

A coding-agent skill that guides an AI agent through a multi-phase security audit with independently verified, machine-readable findings.

A safe, private runtime that sandboxes autonomous AI agents, enforcing declared policies on files, system calls, and network access.