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Burp Suite alternatives: 4 apps ranked by verified data

Facts checked Nov 1, 2026AppBreakup editorialHow we rank

Common reasons people leave Burp Suite: the scanner and full-speed Intruder require the paid Professional licence, and community Edition can't save projects. We ranked 4 alternatives by how directly each one replaces Burp Suite, then by reviews, real visits and how recently each app's facts were checked against its own website. ZAP currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1ZAP logoZAPOpen sourceYesWindows, macOS, Linux4 of 466.5
2Caido logoCaidoFree plan + paidNoWindows, macOS, Linux4 of 462.6
3mitmproxy logomitmproxyOpen sourceYesWindows, macOS, Linux4 of 452.6
4Tenable Nessus logoTenable NessusPaidNoWindows, macOS, Linux +14 of 440.0
  1. ZAP logo

    1. ZAPTop pick

    Best for: Developers and AppSec teams who want free automated web scanning, including in CI

    Open sourceWindows, macOS, Linux

    66.5

    score / 100

    Why switch from Burp Suite

    Free and open source, with an intercepting proxy and automated scanner that need no paid licence.

    Pros

    • Free and open source, with the automated scanner included
    • Docker images and automation framework for CI pipelines
    • Add-on marketplace extends it

    Cons

    • Interface is dated and busier than Burp or Caido
    • Windows and Linux builds need Java 17 or newer installed
    • Releases are unsigned, so operating systems show warnings on install
    Visit ZAP Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is ZAP a good Burp Suite alternative?

    Verified facts

    4 of 4 verified
    Price
    Free and open source
    Checked Oct 30, 2026zaproxy.org(opens source in a new tab)
    License
    Apache-2.0
    Checked Oct 30, 2026github.com(opens source in a new tab)
    Platforms
    Windows, Linux, macOS, Docker
    Checked Oct 30, 2026zaproxy.org(opens source in a new tab)
    Requirements
    Java 17+ on Windows and Linux
    Checked Oct 30, 2026zaproxy.org(opens source in a new tab)
  2. Caido logo

    2. Caido

    Best for: Bug bounty hunters and pentesters who want a faster, lighter Burp-style proxy

    Free plan + paidWindows, macOS, Linux

    62.6

    score / 100

    Why switch from Burp Suite

    Newer, lighter web proxy with a free tier, fast HTTPQL filtering and a cheaper paid plan.

    Pros

    • Free plan includes all core HTTP tools
    • HTTPQL makes filtering large traffic histories quick
    • Headless, API-first design suits automation

    Cons

    • Free plan caps projects, workflows and plugins
    • Smaller plugin ecosystem than Burp Suite
    • AI assistant and backups require a paid plan
    Visit Caido Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Caido a good Burp Suite alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Yes, 2 projects and 7 workflows
    Checked Nov 1, 2026caido.io(opens source in a new tab)
    Filtering
    HTTPQL query language
    Checked Nov 1, 2026caido.io(opens source in a new tab)
    AI providers
    Bring your own model
    Checked Nov 1, 2026caido.io(opens source in a new tab)
    Team plan
    Up to 50 seats, shared instance
    Checked Nov 1, 2026caido.io(opens source in a new tab)
  3. mitmproxy logo

    3. mitmproxy

    Best for: Developers and security testers who want a scriptable, free HTTPS proxy

    Open sourceWindows, macOS, Linux

    52.6

    score / 100

    Why switch from Burp Suite

    Free, scriptable intercepting proxy for testers who prefer Python and the command line.

    Pros

    • Free and MIT-licensed
    • Python add-on API for automating rewrites and mocks
    • Supports HTTP/2, HTTP/3 and WebSockets
    • Terminal, web and headless modes

    Cons

    • Less polished GUI than commercial proxies
    • Installing the CA certificate on devices is manual
    • Terminal-first workflow has a learning curve
    Visit mitmproxy Details and reviews
    How this score is calculated
    Editorial fit ×0.346
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is mitmproxy a good Burp Suite alternative?

    Verified facts

    4 of 4 verified
    License
    MIT
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Protocols
    HTTP/1, HTTP/2, HTTP/3, WebSockets
    Checked Oct 29, 2026mitmproxy.org(opens source in a new tab)
    Web interface
    mitmweb
    Checked Oct 29, 2026mitmproxy.org(opens source in a new tab)
    Scripting
    Python add-ons via mitmdump
    Checked Oct 29, 2026mitmproxy.org(opens source in a new tab)
  4. Tenable Nessus logo

    4. Tenable Nessus

    Best for: Pentesters, consultants and IT teams that need trusted point-in-time vulnerability scans

    PaidSelf-hostableWindows, macOS, Linux, Web

    40.0

    score / 100

    Why switch from Burp Suite

    Covers network and host vulnerability scanning beyond web applications.

    Pros

    • Large, frequently updated plugin library
    • Clear severity scoring and remediation guidance
    • Compliance and configuration audits in Professional

    Cons

    • Free licence lasts 30 days and covers only 5 IPs
    • Professional costs thousands per year
    • Cheaper editions are limited to non-commercial use
    Visit Tenable Nessus Details and reviews
    How this score is calculated
    Editorial fit ×0.312
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Tenable Nessus a good Burp Suite alternative?

    Verified facts

    4 of 4 verified
    Free licence
    30 days, up to 5 IPs
    Checked Nov 1, 2026tenable.com(opens source in a new tab)
    Essentials Plus price
    $199/year
    Checked Nov 1, 2026tenable.com(opens source in a new tab)
    Nessus Professional price
    $4,790
    Checked Nov 1, 2026tenable.com(opens source in a new tab)
    Commercial use
    Professional only
    Checked Nov 1, 2026tenable.com(opens source in a new tab)

The best Burp Suite alternative for…

The highest-ranked app in this list for each need.

ZAP logo

Best Burp Suite alternative for most people

ZAP

Free and open source, with an intercepting proxy and automated scanner that need no paid licence.

mitmproxy logo

Best Burp Suite alternative for a free option

mitmproxy

Free, scriptable intercepting proxy for testers who prefer Python and the command line.

Caido logo

Best Burp Suite alternative for a free plan you can upgrade

Caido

Newer, lighter web proxy with a free tier, fast HTTPQL filtering and a cheaper paid plan.

ZAP logo

Best Burp Suite alternative for open source

ZAP

Free and open source, with an intercepting proxy and automated scanner that need no paid licence.

Tenable Nessus logo

Best Burp Suite alternative for self-hosting

Tenable Nessus

Covers network and host vulnerability scanning beyond web applications.

ZAP logo

Best Burp Suite alternative for Mac

ZAP

Free and open source, with an intercepting proxy and automated scanner that need no paid licence.

ZAP logo

Best Burp Suite alternative for Windows

ZAP

Free and open source, with an intercepting proxy and automated scanner that need no paid licence.

ZAP logo

Best Burp Suite alternative for Linux

ZAP

Free and open source, with an intercepting proxy and automated scanner that need no paid licence.

Tenable Nessus logo

Best Burp Suite alternative for working in the browser

Tenable Nessus

Covers network and host vulnerability scanning beyond web applications.

Burp Suite alternatives: common questions

What is the best alternative to Burp Suite?

ZAP ranks first right now. Free and open source, with an intercepting proxy and automated scanner that need no paid licence. Caido and mitmproxy follow it in our ranking.

Is there a free alternative to Burp Suite?

Yes. ZAP (open source), Caido (free plan + paid) and mitmproxy (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Burp Suite?

Yes: ZAP and mitmproxy.

Which Burp Suite alternatives work on Linux?

ZAP, Caido, mitmproxy and Tenable Nessus run on Linux.

Why do people switch from Burp Suite?

The complaints we hear most: the scanner and full-speed Intruder require the paid Professional licence; community Edition can't save projects; java-based UI can be heavy on memory during big tests.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Burp Suite, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.