An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
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A tiny (18.5 kB gzip), zero-dependency, Javascript library to perform OpenSSL RSA Encryption, Decryption, and Key Generation.
MISP (core software) - Open Source Threat Intelligence and Sharing Platform
- misp
- threat-sharing
- threat-hunting
- threatintel
An all-in-one hacking tool to remotely take over Android devices.
- adb
- android
- android-debug-bridge
- cybersecurity
Reverse engineering and pentesting for Android applications
- android
- dalvik
- reverse-engineering
- dex
The FLARE team's open-source tool to identify capabilities in executable files.
- malware-analysis
- reverse-engineering
- binary-analysis
- threat-intelligence
Passbolt Community Edition (CE) API. The JSON API for the open source password manager for teams!
- password-manager
- passbolt
- security
- cakephp
An agent skill that finds where a photo was taken — OpenStreetMap geometry, elevation skylines, satellite imagery and street view — and shows its work. Works with Claude Code, Codex, Cursor, Gemini CLI, OpenCode and GitHub Copilot.
- claude-code
- geoguessr
- geolocation
- osint
A high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar.
- authorization
- permissions
- security
- zanzibar
Open Source Intelligence gathering tool aimed at reducing the time spent harvesting information from open sources.
OpenPGP implementation for JavaScript
An open-source authorization as a service inspired by Google Zanzibar, designed to build and manage fine-grained and scalable authorization systems for any application. — Permify is now part of FusionAuth 🎉
- access-control
- authorization
- rbac
- rebac
Automated Αll-in-One OS command injection exploitation tool.
- python
- command-injection
- detection
- exploitation
The ultimate Python library in building OAuth, OpenID Connect clients and servers. JWS, JWE, JWK, JWA, JWT included.
Open Source Cloud Native Application Protection Platform (CNAPP)
- cloud-native
- vulnerability-management
- threat-analysis
- devsecops
Flexible and versatile OAuth 2.0/OpenID Connect stack for .NET
- openidconnect
- oauth2
- aspnetcore
- dotnet
Cameradar hacks its way into RTSP videosurveillance cameras
An Open Source Java Decompiler Gui for Procyon
OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.
- hids
- security
- pci-dss
- nist800-53
w3af: web application attack and audit framework, the open source web vulnerability scanner.
A community-driven, open-source project to share detection logic, adversary tradecraft and resources to make detection development more efficient.
- threat-hunting
- sysmon
- hunting-campaigns
- hypothesis
The Leading Security Assessment Framework for Android.
Free, open-source check for traces of mercenary spyware (Pegasus, Predator, Graphite, Candiru and more) on computers, Android phones and iPhone backups. Double-click apps for Windows, Mac and Linux, in 27 languages.
Your web application for managing personal data.
- dashboard
- dashboards
- manager
- symfony