Best open-source API tools for desktop

Open-source API clients and testing tools.

Filters · 2 API tools, Desktop

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AI & LLM tooling41Chat UIs9Agents & frameworks9Local inference6RAG & vector DBs2Coding assistants15Agent skills1MCP servers1Developer tools53Web frameworks1Databases & backends3Editors & IDEs6API tools3Self-hosted apps22Notes & docs15Automation3Data & analytics2Infra & DevOps3Security & identity13Communication9Media & photos40Design & creative16

Runs on

Web1Docker / self-host6Desktop3Mobile0CLI2Library / SDK13Extension / plugin0

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Permissive3Copyleft0Source-available0Other / custom0

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Has live demo1Commit in last 90 days3

3 projects

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H

Hoppscotchhoppscotch/hoppscotch

Open-source API development ecosystemPersonalEnterpriseAPI toolsWebDocker / self-hostDesktop★ 81kMITcommit 3 days agolive demo

89worth

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I

InsomniaKong/insomnia

Cross-platform API clientPersonalEnterpriseAPI toolsDesktop★ 40kApache-2.0commit 4 days ago

82worth

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B

Brunousebruno/bruno

Offline-first API client that stores collections in GitPersonalEnterpriseAPI toolsDesktopCLI★ 47kMITcommit 2 days ago

79worth

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