head to head · open source
Insomnia vs aimock
Insomnia has 40,111 GitHub stars, 2,388 forks, 874 open issues and last shipped yesterday. aimock has 1,001 stars, 82 forks, 1 open issues and last shipped yesterday. Insomnia leads on adoption by 3,907% (40,111 vs 1,001 stars). Insomnia is written in TypeScript under Apache-2.0; aimock is written in TypeScript under MIT. Insomnia has attracted 6% as many forks as stars, aimock 8%. aimock 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.
← all 20902 open source comparisons
Side by side
| Insomnia | aimock | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 1.0K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.4K | ⑂ 82 |
| 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
pick aimock if
- You want the aimock feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and aimock fits your workflow better
About Insomnia
Insomnia API Client Insomnia is an open source, cross platform API client for GraphQL, REST, WebSockets, Server Sent Events (SSE), gRPC and any other HTTP compatible protocol. With Insomnia you can: Debug APIs using the most popular protocols and formats. Design APIs using the native OpenAPI editor and visual preview. Test APIs using native test suites and collection runner. Mock APIs using a cloud or self hosted mocking server. Build CI/CD pipelines using the native Insomnia CLI for linting and testing. Collaborate with others using the many collaboration features. And more including the ability to use 3rd…
read the full Insomnia overview →
About aimock
aimock Mock infrastructure for AI application testing — point your SDK at one local port and every provider, protocol, and service answers deterministically. Quick start · The suite · Record & replay · Docs One package, one port, zero dependencies. LLM APIs, image generation and editing, text to speech, transcription, audio translation and generation, video generation, embeddings, MCP tools, A2A agents, AG UI event streams, vector databases, search, rerank, and moderation — no keys, no network, no surprise bills. Quick Start The aimock Suite aimock mocks everything your AI app talks to: Run them all on one port…
read the full aimock overview →
More in Developer Tools
Related comparisons
More API Development & Testing projects
Compare either of these against the rest of the API Development & Testing field.
Frequently asked questions
Is Insomnia or aimock more popular?
Insomnia has 40,111 GitHub stars and aimock has 1,001. Insomnia has the larger community by that measure.
Are Insomnia and aimock free?
Both are open source. Insomnia is licensed under Apache-2.0 and aimock under MIT. Neither carries a licence fee.
What is the difference between Insomnia and aimock?
Insomnia is written in TypeScript and aimock in TypeScript. 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 aimock?
Choose Insomnia if you want the larger community (40,111 stars) or its Apache-2.0 licence terms. Choose aimock if its feature set, stack or MIT licence fits better. Both are self-hostable.