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Skipperu and other API clients

Where it is similar, where it differs, and what it does not do yet. Last verified 2026-09-26.

CapabilitySkipperuPostmanInsomniaHoppscotch
No account requiredYesPartly1Partly2Yes
Local data storageYesPartly1Yes2Yes
Open sourceYesMITNo3YesApache-2.0YesMIT
Self-hostableYesNo4Partly7Yes
Desktop appYes8Windows onlyYesYesYes
OpenAPI importYesYesYesYes
Postman importYesNot applicableYesYes
OpenAPI exportYesYesPartly5No6
Collections and environmentsYesPartly1YesYes
Free to useYesPartly91 userYes10Yes

✓ Yes   ◐ Partly   ✕ No   – Not applicable

  1. Postman's no-account lightweight client is local-only, but has no collections or variables. Local storage ends once you sign in. ↩
  2. Insomnia's Scratch Pad needs no account, but most features and Local Vault do. ↩
  3. Postman is proprietary software; we found no public source repository for the app. ↩
  4. Postman is listed as a SaaS product only. ↩
  5. Insomnia exports only the spec tied to a design document (inso export spec), not request collections. ↩
  6. We found no OpenAPI export in Hoppscotch's documentation, only a 2022 feature request. We did not confirm the absence. ↩
  7. Insomnia documents self-hosted mock servers, but we found no self-hosted client or sync server. ↩
  8. Skipperu has no macOS or Linux installers yet. ↩
  9. Postman's Free plan is limited to one user. ↩
  10. Insomnia's Essentials plan is free, and the local-only Scratch Pad is described as free forever. Pro and Enterprise are paid per user. ↩

What Skipperu doesn't do yet

Sources

These are the tools' own docs and third-party pages as of 2026-09-26. Features change, so check the vendor's site before deciding.