1.hoppscotch / hoppscotch
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
+248 stars
from 80,469 · score 5.52
Ranked by Attention Score: stars gained over the last 30 complete days
4 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
Automated API Testing and Quality Assurance
Observable Integration Testing using OpenTelemetry on top of Jest/Playwright/Cypress.