Cybersecurity & Decryption Tools
Automated decryption, encoding decoding, and hash cracking utilities for CTF challenges, pentesting, and security analysis of opaque strings.
132 projects
See methodology for ranking rules; order uses public GitHub metrics within this scenario.
| Rank | Project | Stars | Forks | Updated | License |
|---|---|---|---|---|---|
| 21 |
cai
Cybersecurity AI (CAI), the framework for AI Security |
9.8K | 1.4K | 08/22/26 | Other |
| 22 |
garak
the LLM vulnerability scanner |
9.1K | 1.2K | 08/25/26 | Apache-2.0 |
| 23 |
Scanners-Box
A powerful and open-source toolkit for hackers and security automation |
9.0K | 2.4K | 08/12/26 | Other |
| 24 |
deepsec
Deepsec is a security harness for finding vulnerabilities in your codebase powered by coding agents |
7.9K | 474 | 08/26/26 | Apache-2.0 |
| 25 |
defending-code-reference-harness
Skills for threat modeling, scanning, triage, patching, plus an autonomous scanning harness you can /customize |
7.4K | 596 | 08/06/26 | Other |
| 26 |
android-reverse-engineering-skill
Claude Code skill to support Android app's reverse engineering |
7.5K | 841 | 06/10/26 | Apache-2.0 |
| 27 |
skills
Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows |
6.9K | 593 | 08/28/26 | Other |
| 28 |
DeepAudit
DeepAudit: China's first open-source multi-agent AI system for code vulnerability discovery, with one-click deployment, autonomous collaborative auditing, sandbox PoC validation, Ollama support, and report generation. |
6.9K | 848 | 08/17/26 | AGPL-3.0 |
| 29 |
agent-governance-toolkit
AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10. |
6.2K | 1.1K | 08/25/26 | MIT |
| 30 |
superagent
Superagent protects your AI applications against prompt injections, data leaks, and harmful outputs. Embed safety directly into your app and prove compliance to your customers. |
6.7K | 962 | 08/25/26 | MIT |
| 31 |
robin
AI-Powered Dark Web OSINT Tool |
6.6K | 1.3K | 08/25/26 | MIT |
| 32 |
osmedeus
A Modern Orchestration Engine for Security |
6.5K | 1.0K | 08/08/26 | MIT |
| 33 |
LLM4Decompile
Reverse Engineering: Decompiling Binary Code with Large Language Models |
7.0K | 549 | 02/12/26 | MIT |
| 34 |
AI-Infra-Guard
A full-stack AI Red Teaming platform securing AI ecosystems via Agent Scan, Skills Scan, MCP scan, AI Infra scan and LLM jailbreak evaluation. |
6.1K | 560 | 08/28/26 | Apache-2.0 |
| 35 |
CyberStrike
Open-source AI-powered offensive security harness for automated penetration testing. |
2.1K | 314 | 08/29/26 | AGPL-3.0 |
| 36 |
CyberStrikeAI
The system of action for AI-native cybersecurity—where intent becomes governed execution, evidence becomes operational memory, and every operation improves the next. |
6.0K | 976 | 08/26/26 | Apache-2.0 |
| 37 |
adversarial-robustness-toolbox
Adversarial Robustness Toolbox (ART) - Python Library for Machine Learning Security - Evasion, Poisoning, Extraction, Inference - Red and Blue Teams |
6.2K | 1.3K | 12/12/25 | MIT |
| 38 |
T3MP3ST
autonomous red teaming platform; multi-agent offensive-security meta-harness |
5.8K | 1.2K | 08/24/26 | AGPL-3.0 |
| 39 |
opal
Policy and data administration, distribution, and real-time updates on top of Policy Agents (OPA, Cedar, ...) |
5.5K | 296 | 08/27/26 | Apache-2.0 |
| 40 |
Decepticon
Autonomous Hacking Agent for Red Team |
5.4K | 1.0K | 08/26/26 | Apache-2.0 |