head to head · open source
Insomnia vs open-agent-connector
Insomnia has 40,045 GitHub stars, 2,385 forks, 874 open issues and last shipped today. open-agent-connector has 838 stars, 321 forks, 0 open issues and last shipped yesterday. Insomnia leads on adoption by 4,679% (40,045 vs 838 stars). Insomnia is written in TypeScript under Apache-2.0; open-agent-connector is written in Python under Apache-2.0. Insomnia has attracted 6% as many forks as stars, open-agent-connector 38%. 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.
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Side by side
| Insomnia | open-agent-connector | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 838 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-10-14 | 2026-10-13 |
| Forks | ⑂ 2.4K | ⑂ 321 |
| 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-agent-connector if
- You want the open-agent-connector feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and open-agent-connector fits your workflow better
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 open-agent-connector
Open Agent Connector is an open source, self hosted integration gateway that lets AI agents discover and execute actions against app APIs over the Model Context Protocol or a REST API, built for developers who want to inspect, run, and extend their own agent integration layer.
read the full open-agent-connector overview →
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Frequently asked questions
Is Insomnia or open-agent-connector more popular?
Insomnia has 40,045 GitHub stars and open-agent-connector has 838. Insomnia has the larger community by that measure.
Are Insomnia and open-agent-connector free?
Both are open source. Insomnia is licensed under Apache-2.0 and open-agent-connector under Apache-2.0. Neither carries a licence fee.
What is the difference between Insomnia and open-agent-connector?
Insomnia is written in TypeScript and open-agent-connector in Python. 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-agent-connector?
Choose Insomnia if you want the larger community (40,045 stars) or its Apache-2.0 licence terms. Choose open-agent-connector if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.