Ranked by Attention Score: stars gained over the last 7 complete days
1–100 of 163 by Attention Score · Oct 28, 2026 – Nov 3, 2026 (UTC)
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.
Ghidra is a software reverse engineering (SRE) framework
Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.
Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.
Zero Breach — local, read-only scanner that checks a computer for indicators of the AdFection / Candiru ad-delivered spyware campaign. No network, no admin, no dependencies.
A tool for reverse engineering Android apk files
Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more
Open Source Identity and Access Management For Modern Applications and Services
Why is this running? Trace any process, port, container, or file back to what started it - CLI + TUI.
Vulnerability scanner written in Go which uses the data provided by https://osv.dev
A free, public vulnerability feed: CVE, GHSA, OSV, CISA KEV and EPSS merged into one entry per vulnerability. RSS, JSON API and MCP. Docs and issues only.
The repository host gives no description.
Free implementation of Play Services
The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
General purpose TLS and crypto library
The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.
An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD
Agent-first reverse engineering for macOS, Windows and Linux: any ACP agent reads, renames and patches binaries, Android apps and GPU kernels next to you.
This repo hosts Prowler OSS (CLI and Local Server). Prowler is the world’s most widely used open-source cloud security platform that automates security and compliance across any cloud environment for Humans and AI Agents.
The ZAP by Checkmarx Core project
A vulnerability scanner for container images and filesystems
An open source trusted cloud native registry project that stores, signs, and scans content.
A high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar.
eBPF-based Security Observability and Runtime Enforcement
Automated Adversary Emulation Platform
Reverse engineering and pentesting for Android applications
The repository host gives no description.
A Kubernetes controller to watch changes in ConfigMap and Secrets and do rolling upgrades on Pods with their associated Deployment, StatefulSet, DaemonSet and DeploymentConfig – [✩Star] if you're using it!
Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.
The FLARE team's open-source tool to identify capabilities in executable files.
Modern Java decompiler aiming to be as accurate as possible, with an emphasis on output quality. Fork of the Fernflower decompiler.
Open Policy Agent (OPA) is an open source, general-purpose policy engine.
Cloud Native Runtime Security
Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data
LIEF - Library to Instrument Executable Formats (C++, Python, Rust)
DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:
Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go.
Automatically provision and manage TLS certificates in Kubernetes
the official Rust and C implementations of the BLAKE3 cryptographic hash function
Rules engine for cloud security, cost optimization, and governance, DSL in yaml for policies to query, filter, and take actions on resources
Prevents you from committing secrets and credentials into git repositories
Google's officially supported Node.js client library for accessing Google APIs. Support for authorization and authentication with OAuth 2.0, API Keys and JWT (Service Tokens) is included.
Triton is a dynamic binary analysis library. Build your own program analysis tools, automate your reverse engineering, perform software verification or just emulate code.
Endpoint detection for Windows, Linux, and macOS. Sigma, YARA, and IOC rules on native telemetry. Written in Rust. No cloud account required.
OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors
A Kubernetes controller and tool for one-way encrypted Secrets
Kubescape is an open-source Kubernetes security platform for your IDE, CI/CD pipelines, and clusters. It includes risk analysis, security, compliance, and misconfiguration scanning, saving Kubernetes users and administrators precious time, effort, and resources.
scanner detecting the use of JavaScript libraries with known vulnerabilities. Can also generate an SBOM of the libraries it finds.
Minimalistic web app designed for sending private and secure notes.
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.
Linux Runtime Security and Forensics using eBPF
Secure sharing of secrets, passwords and files
Flexible and versatile OAuth 2.0/OpenID Connect stack for .NET
A simple, secure and modern file encryption tool (and Rust library) with small explicit keys, no config options, and UNIX-style composability.
FakeNet-NG - Next Generation Dynamic Network Analysis Tool
open-appsec is a machine learning security engine that preemptively and automatically prevents threats against Web Application & APIs. This repo include the main code and logic.
Tools to work with android .dex and java .class files
A lightweight process isolation tool that utilizes Linux namespaces, cgroups, rlimits and seccomp-bpf syscall filters, leveraging the Kafel BPF language for enhanced security.
Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖
Collaborative forensic timeline analysis
A deliberately vulnerable CI/CD environment. Learn CI/CD security through multiple challenges.
Easy to use OpenID Connect client and server library written for Go and certified by the OpenID Foundation
Splunk Security Content
Automate SSL/TLS certificates on Windows with ease
Domain name permutation engine for detecting homograph phishing attacks, typo squatting, and brand impersonation
FLARE Obfuscated String Solver - Automatically extract obfuscated strings from malware.
🔐 Securely share sensitive information with automatic expiration & deletion after a set number of views or duration. Track who, what and when with full audit logs.
Cloud native secrets management for developers - never leave your command line for secrets.
Super timeline all the things
Reconnaissance Swiss Army Knife
Protect against malicious open source packages 🤖
Gravitee.io - OpenSource API Management
Runtime defense against memory poisoning in AI agents (OWASP ASI06). Drop-in for LangChain, OpenAI Agents, AutoGen, CrewAI and mem0.
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Scanning APK file for URIs, endpoints & secrets.
GRR Rapid Response: remote live forensics for incident response
Decompiler from Java bytecode to Java, used in IntelliJ IDEA.
PHPGGC is a library of PHP unserialize() payloads along with a tool to generate them, from command line or programmatically.
UAC is a powerful and extensible incident response tool designed for forensic investigators, security analysts, and IT professionals. It automates the collection of artifacts from a wide range of Unix-like systems, including AIX, ESXi, FreeBSD, Linux, macOS, NetBSD, NetScaler, OpenBSD and Solaris.
Harden-Runner is a CI/CD security agent that works like an EDR for GitHub Actions runners. It monitors network egress, file integrity, and process activity on those runners, detecting threats in real-time.
A Rust implementation of the Noise Protocol Framework
Safety guardrails for ai coding agents and human terminal commands
An implementation of JOSE standards (JWE, JWS, JWT) in Go
Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.
Translated✨ An open-source, free, one-stop Java permission authentication framework that makes authentication and authorization simple and elegant! — Login authentication, permission authentication, distributed Session, microservice gateway authentication, SSO single sign-on, OAuth2.0 unified authentication, jwt integration, API Key authorization, API parameter signing
Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.
CTFs as you need them
A family of header-only, very fast and memory-friendly hashmap and btree containers.
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
Database anonymization and test data management
Browser forensics tool for Google Chrome, other Chromium-based browsers, and Mozilla Firefox
C++ Discord API Bot Library - D++ is Lightweight and scalable for small and huge bots!
🔐 A CLI tool to extract server certificates
One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser
Automating captcha solving for Playwright. Supports Cloudflare Turnstile & Interstitial, and reCAPTCHA V2 & V3 with Click-based or API (2captcha) solving. Designed for easy integration with Playwright, Patchright, and Camoufox.
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.