Cybersecurity · head to head
Syft vs Windscribe

Syft
Cybersecurity
Generates a software bill of materials from images, filesystems and archives
- From
- Free
- Rated
- -
Windscribe
Cybersecurity
VPN and firewall service with a generous free data tier and a customizable Build-A-Plan option
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Syft lockfile parsing can drop packages silently. An open issue filed in August 2026 reports the yarn v1 cataloguer returning 118 of 745 packages with no error raised, which means a complete bill of materials and an 84 percent incomplete one look identical to the caller.; Windscribe free tier's 10GB cap still requires email confirmation and social sharing to unlock, unlike some no-strings-attached competitors.
- They diverge on capability: Syft covers Multi-format output, Windscribe covers Firewall / default block.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Syft and Windscribe actually diverge.
| Attribute | Syft | Windscribe |
|---|---|---|
| Pricing model | Open source, no licence fee | freemium |
| Platforms | macOS, Linux, Windows, Docker | windows, mac, linux, ios, android, web |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Cybersecurity).
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 Syft
- Multi-format output
- Broad ecosystem coverage
- Binary classifiers
- In-toto attestations
- Library and CLI
- Pairs with Grype
Only in Windscribe
- Firewall / default block
- Unlimited simultaneous devices
- Build-A-Plan
- R.O.B.E.R.T. content blocker
- Static IP and port forwarding add-ons
What people use each for
The jobs each tool is most often brought in to do.
Syft
- Producing a bill of materials for a customer or regulator that requires onenot Windscribe
- Feeding an inventory into a vulnerability scanner rather than scanning images directlynot Windscribe
- Recording what shipped in a build so a future disclosure can be answered quicklynot Windscribe
- Public sector work where an SBOM is a contractual deliverablenot Windscribe
Windscribe
- Running a free VPN across unlimited personal devicesnot Syft
- Buying access to just a few specific server locations cheaplynot Syft
- Blocking ads and trackers at the DNS level while browsingnot Syft
- Preventing IP leaks with a default-block firewall rulenot Syft
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Syft
- Lockfile parsing can drop packages silently. An open issue filed in August 2026 reports the yarn v1 cataloguer returning 118 of 745 packages with no error raised, which means a complete bill of materials and an 84 percent incomplete one look identical to the caller.
- Fidelity varies sharply by ecosystem. Conan for C and C++, Haskell and Terraform get cataloguer support with no licence data, no dependency relationships and no file ownership, so a C and C++ shop gets the least from it.
- Binary classification yields no licence or dependency metadata, and vendored or statically linked code is exactly where supply chain risk hides, so the blind spot and the risk overlap.
- Incorrect CPE values and CPE collisions are recorded as open issues, and since Grype matches on CPE and PURL, an inventory error becomes a false negative in the security report downstream.
- An inventory is not a risk assessment. Even a perfect bill of materials says a vulnerable version is present, never that the vulnerable function is called, and the triage burden lands entirely on the reader.
Windscribe
- Free tier's 10GB cap still requires email confirmation and social sharing to unlock, unlike some no-strings-attached competitors.
- Build-A-Plan's low cost only covers selected locations, so broad global coverage still requires the full Pro plan.
- Server speeds and streaming reliability are inconsistent compared to larger premium VPN providers.
- Customer support is primarily ticket/community-based rather than live chat for lower tiers.
Pricing, plan by plan
Syft
Free- SyftFree
- Apache-2.0
- No usage limits
- Community support
- Anchore Enterprise$undefined/year
- Policy enforcement and reporting
- Federal and commercial tiers
- Pricing not published, quoted on request
Windscribe
Free- FreeFree
- 10GB of data per month with confirmed email
- 10 server countries
- Unlimited devices
- Build-A-Plan$3/month
- Pay per selected server location ($1/location)
- $3 minimum purchase
- Unlimited data on selected locations
- Pro$9/month
- Unlimited data
- 69+ countries
- $69/year on annual billing
Which should you pick?
Choose Syft if
- You need multi-format output.
- You want to start without paying.
- You work on macOS, Linux, Windows, Docker.
- You also want broad ecosystem coverage.
Choose Windscribe if
- You need firewall / default block.
- You want to start without paying.
- You work on windows, mac, linux, ios, android, web.
- You also want unlimited simultaneous devices.
Questions people ask
- Is Syft or Windscribe better?
- Neither clearly leads. Syft starts at Free and Windscribe at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Syft or Windscribe?
- Syft starts at Free and Windscribe at Free.
- Does Syft or Windscribe run on more platforms?
- Syft runs on macOS, Linux, Windows, Docker. Windscribe runs on windows, mac, linux, ios, android, web.
- Can I use Syft for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Syft best used for?
- Syft is most often used for producing a bill of materials for a customer or regulator that requires one, feeding an inventory into a vulnerability scanner rather than scanning images directly, recording what shipped in a build so a future disclosure can be answered quickly, public sector work where an sbom is a contractual deliverable. Of those, producing a bill of materials for a customer or regulator that requires one and feeding an inventory into a vulnerability scanner rather than scanning images directly are not what Windscribe is typically brought in for.
- What can Syft do that Windscribe cannot?
- Syft covers Multi-format output, Broad ecosystem coverage, Binary classifiers, In-toto attestations. Windscribe covers Firewall / default block, Unlimited simultaneous devices, Build-A-Plan, R.O.B.E.R.T. content blocker.
Answered from the vendors’ own pages
Syft: Does Syft find vulnerabilities?
No. It produces an inventory. Grype, from the same company, matches that inventory against vulnerability feeds. They are separate tools and the distinction is frequently lost.
Syft: Does anything in the Anchore stack do reachability analysis?
No. Neither Syft, Grype nor the commercial Anchore platform performs call graph or reachability analysis, so none of them tells you whether a vulnerable code path is actually invoked.
Syft: Is it a CNCF or OpenSSF project?
No. It is single-vendor open source owned by Anchore, with no foundation governance. That is a different licence risk profile from Sigstore.
Syft: What does Anchore Enterprise cost?
Not published. The pricing page is contact-sales only, with named but unpriced commercial and federal tiers.
Syft: How do I know my SBOM is complete?
You largely cannot, which is the honest answer. Silent partial parsing is a known open defect, so a bill of materials used for compliance should be spot-checked against a known dependency list.
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