head to head · open source

Insomnia vs AngusTester

Insomnia has 40,021 GitHub stars, 2,365 forks, 874 open issues and last shipped yesterday. AngusTester has 1,843 stars, 201 forks, 0 open issues and last shipped 18 days ago. Insomnia leads on adoption by 2,072% (40,021 vs 1,843 stars). Insomnia is written in TypeScript under Apache-2.0; AngusTester is written in various languages under GPL-3.0. Insomnia has attracted 6% as many forks as stars, AngusTester 11%. Insomnia was the more recently maintained of the two, and both are self-hostable with no licence fee.

Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.

Insomnia ★ 40K AngusTester ★ 1.8K category Developer Tools

← all 8884 open source comparisons

Side by side

Insomnia AngusTester
GitHub stars ★ 40K ★ 1.8K
License Apache-2.0 GPL-3.0
Written in TypeScript
Last push 2026-09-17 2026-08-31
Forks ⑂ 2.4K ⑂ 201
Self-hosting Yes Yes
Data ownership Your server Your server

pick Insomnia if

  • You weight community size — 40K stars and counting
  • You want the Apache-2.0 license terms
  • Your stack matches TypeScript
  • You value the larger contributor base for long-term maintenance

full Insomnia profile →

pick AngusTester if

  • You want the AngusTester feature set and don't need the biggest community
  • You prefer the GPL-3.0 license terms
  • You evaluated both and AngusTester fits your workflow better

full AngusTester profile →

About Insomnia

Insomnia is an open source, cross platform API client built with Electron and TypeScript for developing and testing APIs across multiple protocols including REST, GraphQL, WebSockets, SSE, and gRPC. It runs on macOS, Windows, and Linux and is distributed under the Apache 2.0 license. The project serves as a direct open source alternative to Postman, offering similar core functionality without vendor lock in or mandatory cloud usage.

read the full Insomnia overview →

About AngusTester

AngusTester is AI native software testing platform. It lives in AngusKit ecosystem. It is Test product in AngusKit. GitHub repo hosts documentation only. Source code is distributed through private deployment packages, not GitHub. Earlier revisions contained application source. Distribution moved to AngusKit packaging pipeline. Repo focuses product information, quickstart guides, documentation links. Community Edition source is licensed under GPL 3.0.

read the full AngusTester overview →

More in Developer Tools

OpenCode ★ 208K Langflow ★ 155K Supabase ★ 110K pi ★ 107K fastapi ★ 102K Neovim ★ 102K

Related comparisons

fastapi vs insomnia fastapi vs hoppscotch fastapi vs bruno fastapi vs one-api fastapi vs openapi-specification fastapi vs openapi-generator fastapi vs redoc hoppscotch vs bruno opencode vs pi opencode vs openhands opencode vs paperclip opencode vs orca opencode vs cline opencode vs aider opencode vs continue opencode vs tabby opencode vs neovim opencode vs zed langflow vs neovim langflow vs zed opencode vs kilocode opencode vs codeedit neovim vs zed langflow vs kilocode

More API Development & Testing projects

Compare either of these against the rest of the API Development & Testing field.

Insomnia vs fastapi Insomnia vs Hoppscotch Insomnia vs Bruno Insomnia vs one-api Insomnia vs OpenAPI-Specification Insomnia vs openapi-generator Insomnia vs redoc Insomnia vs SafeLine Insomnia vs Mobile-Security-Framework-MobSF Insomnia vs grpc-gateway Insomnia vs Yaak Insomnia vs hurl

Frequently asked questions

Is Insomnia or AngusTester more popular?

Insomnia has 40,021 GitHub stars and AngusTester has 1,843. Insomnia has the larger community by that measure.

Are Insomnia and AngusTester free?

Both are open source. Insomnia is licensed under Apache-2.0 and AngusTester under GPL-3.0. Neither carries a licence fee.

What is the difference between Insomnia and AngusTester?

Insomnia is written in TypeScript and AngusTester in various languages. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.

Which should I choose, Insomnia or AngusTester?

Choose Insomnia if you want the larger community (40,021 stars) or its Apache-2.0 licence terms. Choose AngusTester if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.