5 h4cker Alternatives, Compared

This repository is maintained by Omar Santos (@santosomar) and includes thousands of resources related to ethical hacking, bug bounties, digital forensics and incident response (DFIR), AI security, vu sits in Cybersecurity. Below is every comparable tool we hold data on — 5 of them have a free tier.

Still want the original? Read our h4cker write-up.

ToolWhat it doesPricingFree tier
giskard-oss🐢 Open-Source Evaluation & Testing library for LLM AgentsFree tier
ai-captcha-bypassAI Captcha BypassFree tier
backdoor-learning-resourcesA list of backdoor learning resourcesFree tier
claude-bug-bountyAI-powered bug bounty hunting from your terminal - recon, 20 vuln classes, autonomous hunting, and report generation. All inside Claude Code.Free tier
agentic-radarA security scanner for your LLM agentic workflowsFree tier

giskard-oss — 🐢 Open-Source Evaluation & Testing library for LLM Agents

🐢 Open-Source Evaluation & Testing library for LLM Agents

ai-captcha-bypass — AI Captcha Bypass

AI Captcha Bypass

backdoor-learning-resources — A list of backdoor learning resources

A list of backdoor learning resources

claude-bug-bounty — AI-powered bug bounty hunting from your terminal - recon, 20 vuln classes, autonomous hunting, and report generation. All inside Claude Code.

AI-powered bug bounty hunting from your terminal - recon, 20 vuln classes, autonomous hunting, and report generation. All inside Claude Code.

agentic-radar — A security scanner for your LLM agentic workflows

A security scanner for your LLM agentic workflows

Common questions

What is the best h4cker alternative?

giskard-oss is the closest alternative to h4cker in the Cybersecurity category. 🐢 Open-Source Evaluation & Testing library for LLM Agents Which one fits depends on whether you need a free tier — 5 of these 5 options have one.

Is there a free alternative to h4cker?

Yes — giskard-oss, ai-captcha-bypass, backdoor-learning-resources all offer a free tier.

How were these h4cker alternatives chosen?

They are tools listed in the same category as h4cker on Neura Market, ranked by how closely they match on capability. We list every option we hold data for rather than a paid-placement shortlist.