1.KeygraphHQ / shannon
Shannon is an AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.
Ranked by Attention Score: stars gained over the last 30 complete days
18 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
Shannon is an AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.
Open source AI code review for coding agents. A separate reviewer checks every change your agent writes before you push, in Claude Code, Codex, Cursor and Cline. No account or key of its own.
Catch risky npm dependency changes before they merge.
Infisical is the open-source platform for securing secrets, certificates, access, and AI Agents.
🕵️♂️ All-in-one OSINT tool for analysing any website
OWASP Juice Shop: Probably the most modern and sophisticated insecure web application
A pre-execution guard for AI coding agents. It blocks destructive Git and file system commands, plus common attempts to access sensitive files, before a tool call runs. Supports Amp Code, Antigravity CLI, Claude Code, Codex, Cursor, DeepSeek Harness, Devin CLI, GitHub Copilot CLI, Grok Build, Hermes Agent, Kimi Code, OpenClaw, OpenCode, and Pi.
🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026
Cross-platform desktop GUI app to clean image metadata
Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.
A powerful obfuscator for JavaScript and Node.js
Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord
Help secure Express apps with various HTTP headers
Access control for AI agents. Set what Claude Code, Codex, Gemini, Cursor and any MCP server are allowed to do, review risky actions before they run, and keep every action on the record.
LunaSec - Dependency Security Scanner that automatically notifies you about vulnerabilities like Log4Shell or node-ipc in your Pull Requests and Builds. Protect yourself in 30 seconds with the LunaTrace GitHub App: https://github.com/marketplace/lunatrace-by-lunasec/
Keep your sensitive information out of chat logs, emails, and more with encrypted secrets.
Your users download a 4GB AI model, the connection drops at 3.8GB, verifyfetch resumes from 3.8GB and verifies every byte. Drop-in integrity verification for Transformers.js, WebLLM, and any large file in the browser.
🛡️ The missing GraphQL security security layer for Apollo GraphQL and Yoga / Envelop servers 🛡️