Hoppscotch is described as 'Open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development' and is a API Client in the development category. There are more than 50 alternatives to Hoppscotch for a variety of platforms, including Mac, Windows, Linux, Web-based and Google Chrome apps. The best Hoppscotch alternative is Postman, which is free. Other great apps like Hoppscotch are Insomnia REST Client, Yaak, HTTP Toolkit and ApiArk.
Humlix shows you an easy way of generating tests for your web APIs. All you need to do is create a test request using the test request builder within Humlix and give an example of how your endpoints look and what type of data they want.
HTTP API testing tool where you can create requests and mock existing API:s. After trial has expired you can still create requests.
This is a tool to manually explore and test HTTP REST webservices. Runs queries from a plain-text query sheet, displays results as a pretty-printed XML, JSON and even images.
Httpiness is aimed to be a simple, straightforward HTTP client which minimizes time to configure, send, reconfigure and resend requests in order to maximize development efficiency.
The Zero Trust API Client - A Secure & Free Alternative to Postman , Insomnia & Thunder Client.
United States
Native desktop workspace for macOS, Windows, Linux combining REST and GraphQL API requests, Postman and OpenAPI import, PostgreSQL/MySQL/SQLite management, SSH/SFTP, encrypted vault for credentials, docs, Kanban boards, offline use, and integrated team chat.
Austria
EU
Free, privacy-first API client built natively into VS Code. Test REST, GraphQL & WebSocket APIs locally — no login, no cloud sync, no telemetry.
United States
RequesterX is a free desktop HTTP client for API testing and development. Organize requests into nested collections, use environment variables for easy context switching, generate code snippets in 13 languages, and keep everything stored locally — no account required.
South Korea
Routebase keeps your API's design, docs, mock servers, contract tests and monitoring in one living OpenAPI spec so they can't drift apart.
Visual API testing & load-testing workbench for HTTP, GraphQL, gRPC, WebSocket, SSE, and Kafka — with a workflow designer, API mock server, and CI-ready CLI.
United States
