compare
Slumber vs Yaak
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Slumber | Yaak |
|---|---|---|
| Language | Rust | TypeScript |
| Licence | MIT | MIT |
| Stars | 1.2k | 19k |
| Latest | v5.3.0 | v2026.8.1 |
| Last push | 2026-09-24 | 2026-10-06 |
| Release cadence | about 16 days between releases | too few releases |
| Active contributors | 1 commit author 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 →
PartialSlumberA terminal UI client with collections kept in a YAML file.
Full replacementYaakREST, GraphQL, gRPC and WebSocket requests in a desktop app, with no account needed.
Slumber
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
Slumber
unsigned The latest release, v5.3.0, carries no signature GitHub could verify.
Loading the security report
Yaak
✓ signed The latest release, v2026.8.1, carries a signature GitHub verified.
Loading the security report