HoppscotchFull replacementOpen-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, InsomniaRuns in the browser, as a desktop app or self-hosted.LanguageTypeScriptLicenceMITStars81kLatest2026.10.1Last push2026-11-05
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YaakFull replacementThe most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬Imports Insomnia collections and stores requests locally or in git.LanguageRustLicenceMITStars19kLatestv2026.9.1Last push2026-11-11
RestfoxPartialOffline-First Minimalistic HTTP & Socket Testing Client for the Web & DesktopImports Insomnia exports, with a similar request and environment layout.LanguageTypeScriptLicenceMITStars2.8kLatestv0.42.0Last push2026-11-10