Trending repositories

1.NationalSecurityAgency / ghidra

Ghidra is a software reverse engineering (SRE) framework

• software-analysis
• disassembler
• reverse-engineering

2.interplains / Zero-Breach-Toolkit

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.

3.NVIDIA / SkillSpector

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.

• agent-security
• agent-skills
• agentic-ai
• ai-security
• claude-code
• mcp
• +5 more

4.usestrix / strix

Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.

• agents
• artificial-intelligence
• cybersecurity
• penetration-testing
• ai-penetration-testing
• ai-pentesting
• +14 more

5.interplains / zero-breach

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.

• digital-security
• forensics
• incident-response
• ioc
• misp
• spyware
• +3 more

6.skylot / jadx

Dex to Java decompiler

• android
• dex
• java
• decompiler

7.iBotPeaches / Apktool

A tool for reverse engineering Android apk files

• apktool
• apk
• android
• reverse-engineering
• arsc
• 9patch

8.YuKongA / ghostlock-app

GhostLock One-Tap Execution App (CVE-2026-43499)

9.aquasecurity / trivy

Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more

• security
• security-tools
• docker
• containers
• vulnerability-scanners
• vulnerability-detection
• +9 more

10.keycloak / keycloak

Open Source Identity and Access Management For Modern Applications and Services

• keycloak
• oidc
• saml

11.pranshuparmar / witr

Why is this running? Trace any process, port, container, or file back to what started it - CLI + TUI.

• cli
• devops
• freebsd
• golang
• linux
• macos
• +14 more

12.sazabi / cve.now

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.

• cisa-kev
• cve
• mcp
• osv
• rss
• security
• +1 more

13.google / osv-scanner

Vulnerability scanner written in Go which uses the data provided by https://osv.dev

• scanner
• security-audit
• security-tools
• vulnerability-scanner

14.anthropics / oss-scanner

The repository host gives no description.

15.gchq / CyberChef

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

• data-analysis
• data-manipulation
• encryption
• encoding
• compression
• parsing
• +1 more

16.authelia / authelia

The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.

• totp
• ldap
• sso-authentication
• two-factor-authentication
• docker
• kubernetes
• +14 more

17.openssl / openssl

General purpose TLS and crypto library

• cryptography
• openssl
• encryption
• tls
• ssl
• decryption

18.casdoor / casdoor

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

• oidc
• sso
• oauth
• iam
• saml
• webauthn
• +14 more

19.prowler-cloud / prowler

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.

• security
• security-tools
• security-audit
• security-hardening
• hardening
• aws
• +14 more

20.zaproxy / zaproxy

The ZAP by Checkmarx Core project

• zap
• zap-development
• dast
• appsec
• zaproxy
• security
• +3 more

21.anchore / grype

A vulnerability scanner for container images and filesystems

• containers
• security
• vulnerability
• docker
• golang
• go
• +9 more

22.Zfinix / eleven

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.

• acp
• ai-agents
• android
• decompiler
• disassembler
• ghidra
• +4 more

23.goharbor / harbor

An open source trusted cloud native registry project that stores, signs, and scans content.

• cncf
• container
• registry
• helm
• cloud-native
• containers
• +6 more

24.openfga / openfga

A high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar.

• authorization
• permissions
• security
• zanzibar
• openfga
• entitlements
• +11 more

25.cilium / tetragon

eBPF-based Security Observability and Runtime Enforcement

• bpf
• ebpf
• kernel
• kubernetes
• security

26.apache / caldera

Automated Adversary Emulation Platform

• adversary-emulation
• caldera
• security-automation
• red-team
• mitre-attack
• security-testing
• +1 more

27.stakater / Reloader

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!

• kubernetes
• openshift
• configmap
• secrets
• pods
• deployments
• +5 more

28.mandiant / capa

The FLARE team's open-source tool to identify capabilities in executable files.

• malware-analysis
• reverse-engineering
• binary-analysis
• threat-intelligence
• gsoc-2026

29.bridgecrewio / checkov

Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

• terraform
• static-analysis
• aws
• gcp
• azure
• aws-security
• +7 more

30.authzed / spicedb

Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data

• zanzibar
• permissions
• database
• distributed-systems
• security
• security-tools
• +12 more

31.openai / php2shell-checker

The repository host gives no description.

32.open-policy-agent / opa

Open Policy Agent (OPA) is an open source, general-purpose policy engine.

• opa
• policy
• declarative
• json
• compliance
• cloud-native
• +2 more

33.falcosecurity / falco

Cloud Native Runtime Security

• cncf
• containers
• security
• falco
• ebpf
• kubernetes
• +4 more

34.androguard / androguard

Reverse engineering and pentesting for Android applications

• android
• dalvik
• reverse-engineering
• dex
• odex
• pentesting

35.lief-project / LIEF

LIEF - Library to Instrument Executable Formats (C++, Python, Rust)

• reverse-engineering
• malware-analysis
• binary-analysis
• parser
• modification
• executable-formats
• +13 more

36.Vineflower / vineflower

Modern Java decompiler aiming to be as accurate as possible, with an emphasis on output quality. Fork of the Fernflower decompiler.

• decompiler
• fernflower
• java
• hacktoberfest

37.cure53 / DOMPurify

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:

• xss
• sanitizer
• dom
• security
• javascript
• dompurify
• +5 more

38.BLAKE3-team / BLAKE3

the official Rust and C implementations of the BLAKE3 cryptographic hash function

39.OJ / gobuster

Directory/File, DNS and VHost busting tool written in Go

• go
• pentesting
• tool
• dns
• web

40.dexidp / dex

OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors

• oidc
• kubernetes
• idp
• identity-provider
• hacktoberfest

41.awslabs / git-secrets

Prevents you from committing secrets and credentials into git repositories

42.bitnami / sealed-secrets

A Kubernetes controller and tool for one-way encrypted Secrets

• kubernetes
• kubernetes-secrets
• devops-workflow
• encrypt-secrets
• gitops

43.JonathanSalwan / Triton

Triton is a dynamic binary analysis library. Build your own program analysis tools, automate your reverse engineering, perform software verification or just emulate code.

• reverse-engineering
• symbolic-execution
• binary-analysis
• program-analysis
• taint-analysis
• binary-translation
• +5 more

44.jhaals / yopass

Secure sharing of secrets, passwords and files

• password-share
• encryption-decryption
• file-upload
• onetimelink
• onetimesecret
• secret-sharing

45.ory / hydra

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.

• hydra
• oauth2
• openid-connect
• docker
• server
• security
• +14 more

46.cloud-custodian / cloud-custodian

Rules engine for cloud security, cost optimization, and governance, DSL in yaml for policies to query, filter, and take actions on resources

• aws
• compliance
• cloud
• rules-engine
• cloud-computing
• management
• +8 more

47.RetireJS / retire.js

scanner detecting the use of JavaScript libraries with known vulnerabilities. Can also generate an SBOM of the libraries it finds.

• vulnerabilities
• scanner
• firefox-extension
• grunt-plugins
• javascript
• vulnerable-libraries
• +8 more

48.cert-manager / cert-manager

Automatically provision and manage TLS certificates in Kubernetes

• kubernetes
• letsencrypt
• tls
• certificate
• crd
• hacktoberfest

49.googleapis / google-api-nodejs-client

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.

• google
• google-api
• nodejs
• client
• client-library

50.kubescape / kubescape

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.

• kubernetes
• security
• nsa
• mitre-attack
• devops
• best-practice
• +1 more

51.CorentinTh / enclosed

Minimalistic web app designed for sending private and secure notes.

• end-to-end-encryption
• minimalist
• note
• pastebin
• secure
• self-hosted
• +1 more

52.elceef / dnstwist

Domain name permutation engine for detecting homograph phishing attacks, typo squatting, and brand impersonation

• phishing
• typosquatting
• domains
• dns
• osint
• idn
• +6 more

53.openiddict / openiddict-core

Flexible and versatile OAuth 2.0/OpenID Connect stack for .NET

• openidconnect
• oauth2
• aspnetcore
• dotnet

54.spiffe / spire

The SPIFFE Runtime Environment

55.Karib0u / rustinel

Endpoint detection for Windows, Linux, and macOS. Sigma, YARA, and IOC rules on native telemetry. Written in Rust. No cloud account required.

• blue-team
• detection-engineering
• edr
• endpoint-detection
• etw
• incident-response
• +14 more

56.win-acme / win-acme

Automate SSL/TLS certificates on Windows with ease

• acme
• certificates
• windows
• iis
• exchange
• rds
• +4 more

57.mandiant / flare-floss

FLARE Obfuscated String Solver - Automatically extract obfuscated strings from malware.

• malware
• deobfuscation
• strings
• flare
• malware-analysis
• gsoc-2026

58.str4d / rage

A simple, secure and modern file encryption tool (and Rust library) with small explicit keys, no config options, and UNIX-style composability.

• cli
• encryption
• zero-configuration
• secure-by-default
• unix-philosophy
• curve25519
• +5 more

59.splunk / security_content

Splunk Security Content

• splunk
• detection
• engineering
• responses
• cicd
• cybersecurity
• +1 more

60.CTFd / CTFd

CTFs as you need them

• ctf
• security
• education
• flask
• ctfd

61.ashvardanian / StringZilla

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 🦖

• simd
• dataset
• string
• string-manipulation
• string-matching
• substring
• +12 more

62.cider-security-research / cicd-goat

A deliberately vulnerable CI/CD environment. Learn CI/CD security through multiple challenges.

• appsec
• cicd
• devops
• infosec
• devsecops
• security
• +3 more

63.pxb1988 / dex2jar

Tools to work with android .dex and java .class files

64.aquasecurity / tracee

Linux Runtime Security and Forensics using eBPF

• ebpf
• linux
• bpf
• security
• golang
• docker
• +2 more

65.google / nsjail

A lightweight process isolation tool that utilizes Linux namespaces, cgroups, rlimits and seccomp-bpf syscall filters, leveraging the Kafel BPF language for enhanced security.

• security
• linux-namespaces
• linux
• process-isolation
• seccomp-bpf-policies
• chroot

66.ambionics / phpggc

PHPGGC is a library of PHP unserialize() payloads along with a tool to generate them, from command line or programmatically.

67.pglombardo / PasswordPusher

🔐 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.

• security
• password-expiration
• password
• password-safety
• communicate-passwords
• password-pusher
• +13 more

68.tclahr / uac

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.

• incident-response
• forensics
• computer-forensics
• triage
• linux
• aix
• +14 more

69.ReversecLabs / damn-vulnerable-llm-agent

The repository host gives no description.

70.google / grr

GRR Rapid Response: remote live forensics for incident response

71.tellerops / teller

Cloud native secrets management for developers - never leave your command line for secrets.

• secrets
• secret-management
• vault
• hashicorp
• aws
• rust
• +1 more

72.greg7mdp / parallel-hashmap

A family of header-only, very fast and memory-friendly hashmap and btree containers.

• hash
• tables
• unordered-map
• unordered-set
• hash-container
• parallel
• +4 more

73.mandiant / flare-fakenet-ng

FakeNet-NG - Next Generation Dynamic Network Analysis Tool

• fakenet-ng
• traffic-redirection
• malware-analysis
• mandiant-flare
• gsoc-2026

74.log2timeline / plaso

Super timeline all the things

• forensics
• parsing
• timeline

75.s0md3v / ReconDog

Reconnaissance Swiss Army Knife

• recon
• information-gathering
• honeypot-detector
• subdomain-enumeration
• cms-detector

76.mcginty / snow

A Rust implementation of the Noise Protocol Framework

• cryptography
• crypto
• noise-protocol-framework
• noise-protocol
• noise
• rust
• +1 more

77.ajitpratap0 / GoSQLX

Pure-Go SQL parser, formatter, linter and security scanner for 8 dialects. Zero-copy, race-free, with an LSP and MCP server.

• ast
• cli
• go
• golang
• lsp
• mysql
• +14 more

78.apache / casbin

Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.

• casbin
• access-control
• authorization
• rbac
• abac
• acl
• +12 more

79.apereo / cas

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

• sso-authentication
• authentication
• authorization
• java
• websso
• saml2
• +14 more

80.google / tsunami-security-scanner

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

81.google / timesketch

Collaborative forensic timeline analysis

• forensics
• dfir
• security
• timeline
• analysis

82.cossacklabs / themis

Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.

• cryptography-library
• cryptography
• security
• golang
• ios
• swift
• +14 more

83.zitadel / oidc

Easy to use OpenID Connect client and server library written for Go and certified by the OpenID Foundation

• oidc
• oauth2
• openidconnect
• server
• client
• go
• +13 more

84.safedep / vet

Protect against malicious open source packages 🤖

• devsecops
• security
• supply-chain-security
• policy-as-code
• software-composition-analysis
• golang
• +5 more

85.Luzifer / ots

One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser

• one-time-secret
• golang
• encryption
• aes256

86.ory / kratos

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.

• identity
• identity-management
• user-management
• users
• user
• login
• +5 more

87.quay / clair

Vulnerability Static Analysis for Containers

• containers
• static-analysis
• go
• kubernetes
• docker
• oci
• +3 more

88.ory / keto

The most scalable and customizable permission server on the market. Fix your slow or broken permission system with Google's proven "Zanzibar" approach. Supports ACL, RBAC, and more. Written in Go, cloud native, headless, API-first. Available as a service on Ory Network and for self-hosters.

• hacktoberfest
• abac
• access-control
• acl
• authorization
• fine-grained-permissions
• +8 more

89.build-trust / ockam

Orchestrate end-to-end encryption, cryptographic identities, mutual authentication, and authorization policies between distributed applications – at massive scale.

• messaging
• authentication
• key-management
• identity
• trust
• kafka
• +12 more

90.JetBrains / fernflower

Decompiler from Java bytecode to Java, used in IntelliJ IDEA.

• java
• decompiler
• reverse-engineering

91.baidu / openrasp

🔥Open source RASP solution

• waf
• devsecops
• security
• iast
• rasp

92.pac4j / pac4j

Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

• java
• security
• authentication
• authorization
• cas
• oauth
• +14 more

93.ory / polis

Streamline your web application's authentication with Polis, an SSO service supporting SAML and OpenID Connect protocols. Beyond enterprise-grade Single Sign-On, it also supports Directory Sync via the SCIM 2.0 protocol for automatic user and group provisioning/de-provisioning.

• enterprise-software
• saml
• saml2
• saml-service-provider
• saml-authentication
• sso
• +14 more

94.jkroepke / helm-secrets

A helm plugin that help manage secrets with Git workflow and store them anywhere

• helm
• helm-plugin
• helm-plugins
• kubernetes
• k8s
• helm-charts
• +14 more

95.jaksi / sshesame

An easy to set up and use SSH honeypot, a fake SSH server that lets anyone in and logs their activity

• ssh
• honeypot
• go
• golang
• security

96.matanolabs / matano

Open source security data lake for threat hunting, detection & response, and cybersecurity analytics at petabyte scale on AWS

• aws
• cloud
• security
• big-data
• serverless
• apache-iceberg
• +14 more

97.uNetworking / uSockets

Miniscule cross-platform eventing, networking & crypto for async applications

• miniscule
• cross-platform
• async
• tcp
• ssl

98.apache / casbin-Casbin.NET

An authorization library that supports access control models like ACL, RBAC, ABAC in .NET (C#)

• casbin
• access-control
• authorization
• rbac
• abac
• acl
• +4 more

99.step-security / harden-runner

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.

• github-actions
• actions
• supply-chain-security
• hardening
• security-hardening
• runners
• +3 more

100.OpenIDC / mod_auth_openidc

OpenID Certified™ OpenID Connect and FAPI 2 Relying Party module for Apache HTTPd

• apache-httpd
• openid-connect
• openidconnect-client
• openidc
• c
• authentication
• +3 more