Tool 4 sources
Hoppscotch
Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.
Open tool profileAlternative target
Postman
A curated collection of the best open source alternatives to Postman. Each listing includes a website screenshot along with a detailed review of its features.
21 related tools 3 source groups 2 aliases
Tools
Best matching open-source options
Tool 4 sources
Libretranslate
Self-hosted machine translation API that works offline. Download, setup, and run your own translation server in minutes with complete privacy control.
Open tool profile Tool 3 sources
Insomnia
The open-source cross-platform API client for GraphQL / REST / WebSockets / SSE and gRPC. With Cloud / Local and Git storage. 31.3k
Open tool profile Tool 3 sources
Fusio
Fusio is an open source API management platform which helps to create innovative API solutions.
Open tool profile Tool 2 sources
Requestly
A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing
Open tool profile Tool 2 sources
Firecamp
All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.
Open tool profile Tool 1 sources
Bruno
A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.
Open tool profile Tool 1 sources
Yaak
A modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.
Open tool profile Tool 1 sources
Scalar
Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.
Open tool profile Tool 1 sources
Karate
Combines API, UI, performance testing.
Open tool profile Tool 1 sources
Mockoon
Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.
Open tool profile Tool 1 sources
Public API's
A collaborative list of public APIs for developers. 2.2k
Open tool profile Tool 1 sources
HTTPie
Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.
Open tool profile Tool 1 sources
Milkman
Craft and organize requests for any technology.
Open tool profile Tool 1 sources
RecipeUI
Discover; test; and share APIs in seconds
Open tool profile Tool 1 sources
Voiden
Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.
Open tool profile Tool 1 sources
BuildShip
Low-code Visual Backend Builder powered by AI ✨ Create APIs / scheduled jobs / backend tasks / database CRUD and integrate with any tool or APIs. 69
Open tool profile Tool 1 sources
Gravitee
Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise security and 4x faster gateway performance.
Open tool profile Tool 1 sources
Treblle
Seamlessly integrate Treblle to manage communication with your dashboard / send errors and secure sensitive data. 111
Open tool profile Tool 1 sources
Exapisd
A simple web API for serving data from json / SQLite or csv static files to json
Open tool profile Tool 1 sources
AppyHub
Build better / ship faster with powerful utility APIs. 5
Open tool profile