Features, pricing, ratings, and pros & cons — compared head-to-head.
PETEP (PEnetration TEsting Proxy) is a free penetration testing tool. WSSiP is a free penetration testing tool. Compare features, ratings, integrations, and community reviews side by side to find the best penetration testing fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Penetration testers who need fine-grained control over request and response manipulation will find PETEP worth the setup cost; it's Java-based, open-source, and free, which means no licensing friction for red teams running custom test scenarios. The 225 GitHub stars and active Java ecosystem reflect real adoption among practitioners who value the ability to write custom plugins rather than fight against vendor constraints. Skip it if your team expects a polished UI or needs out-of-box integrations with commercial vulnerability scanners; PETEP rewards operators comfortable building their own toolchain.
Penetration testers and AppSec engineers who need to manipulate WebSocket traffic during assessments will find WSSiP indispensable; it's the only free proxy that intercepts and rewrites Socket.IO messages without requiring protocol-level packet crafting. The 452 GitHub stars and active maintenance signal a tool actually used in real engagements, not abandoned ware. Skip this if you're looking for automated WebSocket vulnerability scanning; WSSiP is a manual testing instrument that demands you know what you're looking for.
Open-source Java application for creating proxies for traffic analysis & modification.
A WebSocket Manipulation Proxy with a user interface to capture, intercept, and send custom messages for WebSocket and Socket.IO communications.
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Common questions about comparing PETEP (PEnetration TEsting Proxy) vs WSSiP for your penetration testing needs.
PETEP (PEnetration TEsting Proxy): Open-source Java application for creating proxies for traffic analysis & modification..
WSSiP: A WebSocket Manipulation Proxy with a user interface to capture, intercept, and send custom messages for WebSocket and Socket.IO communications..
Both serve the Penetration Testing market but differ in approach, feature depth, and target audience.
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