Cybersecurity · head to head
OWASP ZAP vs Tilt
OWASP ZAP
Cybersecurity
Free, open-source web application scanner and intercepting proxy, now governed by the Software Security Project.
- From
- Free
- Rated
- -
Tilt
Developer Tools
Local Kubernetes development loop that rebuilds and live-updates containers on save
- From
- Free
- Rated
- -
The short version
- Each has a real cost: OWASP ZAP authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.; Tilt docker acquired Tilt in 2022 and the team now splits its time across Compose and Docker Desktop, so feature velocity is modest and the product's long-term priority inside Docker is not guaranteed; treat it as a stable utility, not a growing platform.
- They diverge on capability: OWASP ZAP covers Intercepting proxy, Tilt covers Live update.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which OWASP ZAP and Tilt actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in OWASP ZAP
- Intercepting proxy
- Passive scanner
- Active scanner
- AJAX spider
- Automation Framework
- Headless daemon and REST API
- Docker images
- Add-on marketplace
Only in Tilt
- Live update
- Tiltfile as code
- Unified web UI
- Selective rebuilds
- Local and remote clusters
- Resource dependencies
- Extensions registry
- Custom buttons and triggers
What people use each for
The jobs each tool is most often brought in to do.
OWASP ZAP
- Adding a baseline security scan to every application's pipeline where per-target commercial licensing would limit coverage to a handfulnot Tilt
- Manual penetration testing that needs an intercepting proxy, request replay and fuzzing without a paid licence per testernot Tilt
- Teaching developers what an attack against their own endpoint looks like, using a tool they can install themselvesnot Tilt
- Pre-release regression scanning of an internal application that would never justify a commercial DAST subscriptionnot Tilt
Tilt
- A team of ten or more engineers whose application is fifteen microservices on Kubernetes and who currently wait on CI to test a changenot OWASP ZAP
- An organisation onboarding new developers who want a single command that stands up the whole stack from a committed Tiltfilenot OWASP ZAP
- A platform team giving product engineers a consistent local environment against a shared remote development clusternot OWASP ZAP
- A codebase where one repository contains several services and rebuilding all of them on every edit is the main source of lost timenot OWASP ZAP
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
OWASP ZAP
- Authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
- There is no support contract in the product, so when a scan breaks the day before a release the escalation path is a GitHub issue and a community chat, which is not an answer that satisfies a delivery manager or an auditor who wants a named responsible party.
- Active scanning sends genuine attack traffic, so it can create records, trigger emails, exhaust rate limits or destabilise a fragile environment, and pointing it at production without prior agreement produces an incident rather than a test result.
- Output needs triage: passive rules generate large volumes of low-severity informational findings about headers and cookie flags that bury the few results that matter, and a team without someone tuning the rule set stops reading the report within a few sprints.
- As a dynamic scanner it can only test what it can reach, so authorisation flaws between accounts, business logic abuse and anything behind an undiscovered endpoint go unreported, and a passing ZAP scan is evidence of nothing more than the absence of the classes of bug it looks for.
Tilt
- Docker acquired Tilt in 2022 and the team now splits its time across Compose and Docker Desktop, so feature velocity is modest and the product's long-term priority inside Docker is not guaranteed; treat it as a stable utility, not a growing platform.
- The Tiltfile is Starlark, a Python dialect, so non-trivial setups become real programs that need reviewing and maintaining, and the person who wrote yours becomes a single point of failure.
- Live update only works when the running container can accept synced files and restart the process; compiled languages, distroless images and read-only filesystems often force you back to a full image rebuild, which removes the main benefit.
- It assumes Kubernetes. If your development target is plain Docker Compose or serverless functions, Tilt adds a cluster you did not need and a layer of abstraction with no payoff.
- There is no commercial support contract, no SLA and no paid tier, so when a Kubernetes version upgrade breaks something you are dependent on GitHub issues and a Slack channel rather than a vendor you can escalate to.
Pricing, plan by plan
OWASP ZAP
Free- Free & Open SourceFree
- Full functionality
- Active & passive scanning
- Spider
Tilt
Free- TiltFree
- Apache 2.0 licensed
- All features, no paid tier
- Community support via the Kubernetes Slack #tilt channel
Which should you pick?
Choose OWASP ZAP if
- You need intercepting proxy.
- You want to start without paying.
- You work on Desktop, Cli, Api.
- You also want passive scanner.
Choose Tilt if
- You need live update.
- You want to start without paying.
- You work on Linux, macOS, Windows.
- You also want tiltfile as code.
Questions people ask
- Is OWASP ZAP or Tilt better?
- Neither clearly leads. OWASP ZAP starts at Free and Tilt at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, OWASP ZAP or Tilt?
- OWASP ZAP starts at Free and Tilt at Free.
- Does OWASP ZAP or Tilt run on more platforms?
- OWASP ZAP runs on Desktop, Cli, Api. Tilt runs on Linux, macOS, Windows.
- Can I use OWASP ZAP for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is OWASP ZAP best used for?
- OWASP ZAP is most often used for adding a baseline security scan to every application's pipeline where per-target commercial licensing would limit coverage to a handful, manual penetration testing that needs an intercepting proxy, request replay and fuzzing without a paid licence per tester, teaching developers what an attack against their own endpoint looks like, using a tool they can install themselves, pre-release regression scanning of an internal application that would never justify a commercial dast subscription. Of those, adding a baseline security scan to every application's pipeline where per-target commercial licensing would limit coverage to a handful and manual penetration testing that needs an intercepting proxy, request replay and fuzzing without a paid licence per tester are not what Tilt is typically brought in for.
- What can OWASP ZAP do that Tilt cannot?
- OWASP ZAP covers Intercepting proxy, Passive scanner, Active scanner, AJAX spider. Tilt covers Live update, Tiltfile as code, Unified web UI, Selective rebuilds.
Answered from the vendors’ own pages
OWASP ZAP: Is it still called OWASP ZAP?
The project left OWASP in August 2024 and is now governed by the Software Security Project, with core development sponsored by Checkmarx. The tool is now just ZAP, though most existing documentation, courses and search results still use the OWASP name.
Tilt: Is Tilt free?
Yes, entirely. It is Apache 2.0 open source with no paid tier and no licence fee.
OWASP ZAP: Is it free for commercial use?
Yes. It is Apache 2.0 licensed, with no per-application, per-scan or per-user cost, and it can be used and modified commercially without a licence agreement.
Tilt: Who owns Tilt now?
Docker, which acquired it in May 2022. It remains open source and the repository is still actively maintained.
OWASP ZAP: Can it replace a penetration test?
No. It automates checks for known vulnerability classes against endpoints it can reach. It does not reason about business logic, chain findings into an attack, or test authorisation between accounts, which is most of what a tester actually does.
Tilt: Do I need a remote cluster?
No. It works against a local cluster such as kind, minikube or Docker Desktop, and also against a shared remote development cluster if your services are too heavy to run locally.
OWASP ZAP: Does it run in CI?
Yes, through the official Docker images and the Automation Framework, which defines scan jobs in YAML so configuration lives in the repository. A baseline passive scan is the usual starting point because it is fast and non-intrusive.
Tilt: How is it different from Skaffold?
Both automate the build-deploy loop. Tilt puts more weight on the live-update path and a multi-service dashboard; Skaffold is more configuration-driven and closer to Google's tooling.
OWASP ZAP: How does it compare to Burp Suite?
Burp Suite Professional is the more polished manual testing tool and has a stronger scanner and extension ecosystem, but it is licensed per tester and Burp Suite Enterprise per target. ZAP is the better fit where cost per target is the binding constraint; many teams use both.
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- Tilt vs Jitsu
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- Tilt vs Nixpacks
- Tilt vs OpsLevel
- Tilt vs PartyKit
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