281 tools · 79 open-source · 202 SaaS
The best security tools. Page 2 of 6.
Last updated October 3, 2026 · ranked by GitHub stars, growth and recent commits
Security tools 49–96 of 281
Dependency-Track
Security
Dependency-Track is an intelligent Component Analysis platform that allows organizations t
Apache-2.0vs Snyk★ 4.3k
2FAuth
Auth & Identity
A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their secur
AGPL-3.0vs Microsoft Authenticator★ 4.2k
IVRE
Security
Network recon framework. Build your own, self-hosted and fully-controlled alternatives to
GPL-3.0vs Shodan★ 4.2k
Octelium
Networking & VPN
A next-gen FOSS self-hosted unified zero trust secure access platform that can operate as
AGPL-3.0vs Tailscale★ 4.1k
Privacy Badger
Security
Privacy Badger is a browser extension that automatically learns to block hidden trackers
OSS★ 3.9k
Tracecat
Security
Open-source security automation platform for teams and AI agents
AGPL-3.0vs Tines★ 3.8k
AllinSSL
Security
AllinSSL 是一个集证书申请、管理、部署和监控于一体的SSL证书全生命周期管理工具。AllinSSL is an all-in-one SSL certificate lif
AGPL-3.0★ 3.6k
OWASP CRS
Security
OWASP CRS (Official Repository)
Apache-2.0★ 3.3kPassword Pusher
Security
🔐 Securely share sensitive information with automatic expiration & deletion after a set
Apache-2.0★ 3.2k
Onetime Secret
Security
Keep passwords and other sensitive information out of your chat logs and inboxes.
MIT★ 3k
ClamAV
Security
ClamAV - Documentation is here: https://docs.clamav.net
GPL-2.0vs Avast★ 7.3k
Caddy Security
Auth & Identity
🔐 Authentication, Authorization, and Accounting (AAA) App and Plugin for Caddy v2. 💎 Imp
Apache-2.0★ 2.2k
Clearcam
Home Automation & IoT
Add object detection, tracking, mobile notifications, and search to any security camera.
GPL-3.0vs Alarm.com★ 1.6kCryptgeon
Security
cryptgeon is a secure, open source note / file sharing service inspired by PrivNote writte
MIT★ 1.5k
Horusec
Security
Horusec is an open source tool that improves identification of vulnerabilities in your pro
Apache-2.0vs Checkmarx★ 1.3k
VPS Audit
Security
lightweight, dependency-free bash script for security, performance auditing and infrastruc
MIT★ 3.2k
tfsec
Security
Tfsec is now part of Trivy
MITvs Aikido Security★ 7k
pfSense
Security
Main repository for pfSense
Apache-2.0vs Fortinet★ 5.7k
Ockam
Networking & VPN
Orchestrate end-to-end encryption, cryptographic identities, mutual authentication, and au
Apache-2.0★ 4.6kOminis-OSINT
Security
This Python application is an OSINT (Open Source Intelligence) tool called "Ominis OSINT -
MIT★ 626kube-score
CI/CD & DevOps
Kubernetes object analysis with recommendations for improved reliability and security. kub
MIT★ 3.1k
Dockerfile Roast
CI/CD & DevOps
droast - a dockerfile linter that actually has opinions 🔥
MIT★ 1.1k
LAN Orangutan
Networking & VPN
LAN Orangutan is a lightweight network scanner with persistent device labeling, multi-netw
MIT★ 1k
Legitify
Security
Detect and remediate misconfigurations and security risks across all your GitHub and GitLa
Apache-2.0★ 889fwknop
Security
Single Packet Authorization > Port Knocking
GPL-2.0★ 1.5k
ClusterFuzzLite
Testing & QA
ClusterFuzzLite - Simple continuous fuzzing that runs in CI.
Apache-2.0★ 537email2phonenumber
Security
A OSINT tool to obtain a target's phone number just by having his email address
MIT★ 2.8k
Vuvuzela
Team Chat
Private messaging system that hides metadata
OSS★ 2.5kPortable Secret
Security
Better privacy without special software
MIT★ 1.7k
Cryptocat
Team Chat
Secure chat software for your computer.
GPL-3.0★ 1.1kDarkwire.io
Team Chat
End-to-end encrypted instant web chat
MIT★ 951
42Crunch
Security
API security platform that audits OpenAPI definitions and protects APIs at runtime
SaaS
Abnormal Security
Security
Behavior-based cloud email security that blocks phishing and account takeover
SaaS
Acronis Cyber Protect
File Storage & Sharing
Backup, disaster recovery and endpoint protection combined in one agent
SaaS
ADM Guard
Security
Compliance and audit software that keeps tamper-evident records of automated decision-making systems
SaaS
Adverse Monitor
Security
Cyber threat intelligence tool that watches the dark web for incident claims naming your company
SaaS
AgentsAegis
Security
Proxy that injects realistic traps into AI coding assistant workflows to train safer command use
SaaS
AgentScan
Security
Scans AI coding agent skills for security issues and distributes reviewed workflows for Claude Code and others
SaaS
Agnostics
Security
AI red-teaming that finds prompt injections, jailbreaks and data leaks in LLM-powered apps
SaaS
AIBlurWeb
Security
Chrome extension that detects and blurs sensitive data on screen during screen sharing and recording
SaaS
Aikido Security
Security
All-in-one application security platform for code, cloud and runtime scanning
SaaS
aipwn
Security
Agent Security API that evaluates each AI agent step to stop injection, privilege abuse and data leaks
SaaS
Akamai
Networking & VPN
CDN, security and edge compute platform for enterprise web delivery
SaaS
Akeyless
Security
SaaS secrets management and machine identity platform for apps and pipelines
SaaS
Alloy
Security
Identity risk and fraud decisioning platform for banks and fintechs
SaaS
Amabrik
Security
One-script site widgets: security scan, SEO and AI-visibility scan, and cookie consent
SaaS
Amazon GuardDuty
Security
Managed AWS threat detection service for accounts, workloads and data
SaaS
Aqua Security
Security
Cloud native security platform for containers, Kubernetes and serverless
SaaS