Burp Collaborator,
self-hosted.
Burp Collaborator is the out-of-band server that catches the bugs you cannot see in a response: blind SSRF, blind RCE, blind XXE. It is a Professional-only feature. Hugin's Oastify does the same job over 8 protocols, from your own infrastructure, at a tenth of the price.
what ships · what's paywalled · what's actually better
Burp's Collaborator is more tightly woven into its scanner and has years of battle-testing behind its polling reliability. If you are already paying for Burp Pro and lean on Collaborator daily, there is no urgency to move.
Hugin vs
Burp Collaborator
The rows that decide it, not all forty.
| Hugin | Burp Suite Professional | Burp Suite Community | |
|---|---|---|---|
| Price | Free · Pro €10/mo | $499/yr | Free |
| Out-of-band interaction server | ✓ | ✓ | ✗ |
| Protocols covered | 8 | ~ | ✗ |
| Self-hosted / no data leaves you | ✓ | ✗ | ✗ |
| Included in the free tier | ✗ | ✗ | ✗ |
Asked
anyway.
Is Burp Collaborator free?
No. Burp Collaborator is a Professional-only feature: PortSwigger's Community Edition page lists it under what Professional adds. The free Community Edition has no out-of-band testing, so blind SSRF and blind RCE cannot be confirmed with it.
What is a good free alternative to Burp Collaborator?
Hugin's Oastify is built in and self-hosted, with no external collaborator service. It is a Pro feature on Hugin's side too, but Pro is EUR 10 per month rather than USD 499 per year. The out-of-band checks themselves run over DNS, HTTP, HTTPS, SMTP, LDAP, FTP, SMB and raw TCP.
Why does it matter that Collaborator is cloud-hosted?
Every payload and callback goes through PortSwigger's servers. For engagements where target hostnames are sensitive, an interaction server you host yourself is the difference between being allowed to test and not.
Run it
yourself.
No sign-up, no card. Download and run.
The other
head-to-heads.
Free Burp Suite Alternative — Hugin vs Burp
Burp Suite Professional is the industry standard and it costs $499 a year. Hugin is the same shape of tool — intercepting proxy, active and passive scanner, intruder, repeater, sequencer — that runs natively, offline, and free for personal and educational use.
Burp vs ZAP — and Where Hugin Fits
The usual question is whether to pay $499 for Burp Suite Professional or use ZAP for free. Hugin is the free option that is neither a JVM desktop app nor a scriptable library — one native binary, proxy, scanner, intruder, repeater and an AI agent.
Caido vs Burp — and the Free Alternative
Caido is the modern, Rust-based proxy that has pulled a lot of Burp users. Burp is still the incumbent. Hugin is the third point: like Caido it is native, unlike Caido it ships an active scanner in the box.
Burp Intruder Alternative — Full Speed, Free
Burp Intruder is throttled to a demo in the free Community Edition; the real thing sits behind the $499/year Professional licence. Hugin's intruder is unthrottled and free — sniper, pitchfork, cluster bomb and battering ram, with payload generators and processors.
Free Burp Scanner Alternative — 64 Active Checks
Burp's web vulnerability scanner is a Professional-only feature and there is no free edition of it. Hugin's scanner ships in the free Community tier: 64 active checks and 48 passive checks, mapped to the OWASP and API Top 10, with no rate limit.
Burp Repeater Alternative — Free, Native
Burp Repeater is free in Community Edition and Hugin's is free too — this page is about the difference a native repeater makes, not about price. Hand-edit any request, replay it, diff the responses, and move on.
Burp Decoder, Comparer & Sequencer Alternatives
Burp's Decoder, Comparer and Sequencer ship free in Community Edition, so this is a fair fight rather than a paywall story. Hugin has all three, and adds a composable transform chain and a sequencer that runs the FIPS 140-2 randomness tests.
The full feature matrix
Every capability, every tier, side by side.