head to head · open source
Insomnia vs agent-router
Insomnia has 40,022 GitHub stars, 2,366 forks, 874 open issues and last shipped today. agent-router has 2,116 stars, 379 forks, 300 open issues and last shipped yesterday. Insomnia leads on adoption by 1,791% (40,022 vs 2,116 stars). Insomnia is written in TypeScript under Apache-2.0; agent-router is written in Go under Apache-2.0. Insomnia has attracted 6% as many forks as stars, agent-router 18%. 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 | agent-router | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 2.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 2.4K | ⑂ 379 |
| 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 agent-router if
- You want the agent-router feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and agent-router 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 agent-router
The open source control plane for AI and agent traffic, powered by Envoy. An Agentic AI Foundation project. Formerly Envoy AI Gateway . Documentation · Quickstart · Blog · Release Notes · Talks Agent Router Agent Router gives application teams one consistent, OpenAI compatible API for every model and tool, from hosted providers to self hosted inference and MCP servers. Platform teams keep credentials, routing, quotas, failover, and usage attribution in one place, enforced by Envoy and Envoy Gateway. Agent Router controls. Envoy carries. Formerly Envoy AI Gateway Envoy AI Gateway is now Agent Router , an Agentic A…
read the full agent-router overview →
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Frequently asked questions
Is Insomnia or agent-router more popular?
Insomnia has 40,022 GitHub stars and agent-router has 2,116. Insomnia has the larger community by that measure.
Are Insomnia and agent-router free?
Both are open source. Insomnia is licensed under Apache-2.0 and agent-router under Apache-2.0. Neither carries a licence fee.
What is the difference between Insomnia and agent-router?
Insomnia is written in TypeScript and agent-router in Go. 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 agent-router?
Choose Insomnia if you want the larger community (40,022 stars) or its Apache-2.0 licence terms. Choose agent-router if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.