compare
gRPC UI vs Yaak
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | gRPC UI | Yaak |
|---|---|---|
| Language | JavaScript | TypeScript |
| Licence | MIT | MIT |
| Stars | 5.9k | 19k |
| Latest | v1.5.4 | v2026.8.1 |
| Last push | 2026-09-14 | 2026-10-06 |
| Release cadence | about 102 days between releases | too few releases |
| Active contributors | 2 commit authors on the default branch in the last 90 days | 12 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Postman. Alternatives to Postman →
PartialgRPC UIA browser UI for calling gRPC methods only.
Full replacementYaakREST, GraphQL, gRPC and WebSocket requests in a desktop app, with no account needed.
gRPC UI
- v1.5.42026-09-02> [!NOTE]
- v1.5.32026-08-31> [!CAUTION]pre-release
- v1.5.22026-07-06bb4a1b1e79c24750d25401f2be013d4de90ba433 update go version in dockerfile (#435)
- v1.4.32025-03-11f37b6d5 Bump grpcurl dependency version to v1.9.3 (#372)
- v1.4.22024-11-29366ca4f Replace removed goreleaser archives.replacements configuration (#349)
Yaak
- v2026.9.0-beta.32026-09-26Release 2026.9.0-beta.3pre-release
- v2026.9.0-beta.22026-09-25Release 2026.9.0-beta.2pre-release
- v2026.9.0-beta.12026-09-24Release 2026.9.0-beta.1pre-release
- v2026.8.12026-09-23Release 2026.8.1
- v2026.8.02026-09-17Release 2026.8.0
gRPC UI
unsigned The latest release, v1.5.4, carries no signature GitHub could verify.
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Yaak
✓ signed The latest release, v2026.8.1, carries a signature GitHub verified.
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