Bugcrowd is a crowdsourced security platform that connects organizations with a global network of security researchers to identify security vulnerabilities.
Custom pricing
Best Immunefi Alternatives ranked by AI · updated Aug 2026
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Immunefi is a bug bounty and security services platform focused on Web3 projects, including smart contracts, protocols, and blockchain applications. It connects crypto projects with specialized researchers and supports bounty management and disclosure.
Developer: Immunefi
Price: Custom pricing for projects; free for security researchers
🎯 immunefi.com
Top 6 Immunefi alternatives
HackerOne is a vulnerability coordination and bug bounty platform that connects businesses with cybersecurity researchers.
Custom pricing
Gitcoin is a platform that allows developers to collaborate and get paid in cryptocurrency for working on open-source projects.
Free to use with fees for bounties and grants
Synack is a crowdsourced security testing platform that provides continuous and scalable penetration testing through a global network of skilled ethical hackers.
Contact for pricing
YesWeHack is a crowdsourced security testing and bug bounty platform for organizations and independent security researchers. It supports public and private programs,...
Pros
- Strong European presence and GDPR-oriented program operations
- Supports public, private, and invite-only bug bounty programs
- Researchers can participate without paying platform fees
Cons
- Smaller global researcher network than HackerOne or Bugcrowd
- Organization pricing is not publicly listed
- Program quality and bounty availability vary by customer
Custom pricing for organizations; free for security researchers
Bounty Jungle is a Web3 bounty marketplace connecting blockchain projects and communities with contributors who complete paid tasks. It is designed for...
Pros
- Focused on Web3 contributor bounties rather than general freelance work
- Supports project-based tasks across technical and nontechnical roles
- Can help smaller blockchain communities attract contributors
Cons
- Smaller ecosystem than Gitcoin or Dework
- Limited public information about pricing and platform features
- Bounty availability depends heavily on active Web3 projects
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