head to head · open source
Insomnia vs open-connector
Insomnia has 40,111 GitHub stars, 2,388 forks, 874 open issues and last shipped yesterday. open-connector has 6,163 stars, 586 forks, 0 open issues and last shipped yesterday. Insomnia leads on adoption by 551% (40,111 vs 6,163 stars). Insomnia is written in TypeScript under Apache-2.0; open-connector is written in TypeScript under a custom or non-standard licence. Insomnia has attracted 6% as many forks as stars, open-connector 10%. open-connector 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.
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Side by side
| Insomnia | open-connector | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 6.2K |
| License | Apache-2.0 | Custom / other |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.4K | ⑂ 586 |
| 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 open-connector if
- You want the open-connector feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and open-connector 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 open-connector
English 简体中文 繁體中文 日本語 한국어 Русский Français Español OpenConnector is an open source connector gateway for AI agents and an alternative to Pipedream/Composio. Connect user app accounts once, then expose a shared catalog of 1,000+ providers and 10,000+ prebuilt Actions to agents and applications. Managed OAuth and hosted runtime, ready to use. No deployment or OAuth app setup. Run locally or on your own infrastructure with Docker or Node.js. You manage storage and OAuth apps. Cloudflare , Fly.io , RepoCloud , nibrun , and more. 🚀 OOMOL Hosted Self host More platforms Use the Connector SDK from app code, oo CLI as…
read the full open-connector overview →
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Frequently asked questions
Is Insomnia or open-connector more popular?
Insomnia has 40,111 GitHub stars and open-connector has 6,163. Insomnia has the larger community by that measure.
Are Insomnia and open-connector free?
Both are open source. Insomnia is licensed under Apache-2.0, and open-connector has no licence declared in this registry. Both are free to self-host.
What is the difference between Insomnia and open-connector?
Insomnia is written in TypeScript and open-connector 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 open-connector?
Choose Insomnia if you want the larger community (40,111 stars) or its Apache-2.0 licence terms. Choose open-connector if its feature set, stack or Custom / other licence fits better. Both are self-hostable.