api

The Collaboration Platform for API Development

An advanced API testing utility.

Overcome the Cross-Origin Resource Sharing (CORS) limitations of browsers, and facilitate API request sending from your browser version of Postman.

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

API 文档、API 调试、API Mock、API 自动化测试一体化协作平台

An offline documentation browser for software developers.

A low-code API testing platform for development teams that care about creating test automation across any workflow.

HTTPie for Web & Desktop — cross-platform API testing client for humans. Painlessly test REST, GraphQL, and HTTP APIs.

A GUI client for gRPC and REST APIs with innovative features for environments, authorizations and more.

AI 驱动的下一代 API 开发管理工具

The API Development Toolkit for Enterprises.

HttpMaster is a professional testing tool for HTTP applications, with special focus on RESTful web services and web API applications.

Native REST API client for Windows, macOS and Linux

Notion CLI

CLI for the Quotation Factory / Rhodium24 manufacturing API.

Read-only command-line interface for Google services

Command-line interface for Salesforce

Command-line interface for Slack Web API

Command-line interface for Slack Web API

purerequest - a keyboard-driven, file-based desktop HTTP client

The offline, Git-native API workspace.

API Test Client

Velocity gives your Windows desktop offline access to over 150 API documentation sets

A lightweight, Git-friendly CLI tool for designing and collaborating on API contracts.

Desktop GUI for apic — design and collaborate on Git-friendly API contracts.

Free, open source, git-native API client. A local-first Postman alternative with a built-in MCP server.

A test execution machine for automating SoapUI and ReadyAPI tests at scale. Run tests in parallel; deploy faster.

Local-first, zero-account Open Source API Client

Where everything comes together. The only software you'll ever need.

OpenAL is a cross-platform 3D audio API appropriate for use with gaming applications and many other types of audio applications.

Friendly and fast tool for sending HTTP requests

An offline first API Client built for OpenAPI.

ReBAC & ABAC Application Authorization Solution

Open-source API client with a native C++ load-testing engine - Postman-style requests and k6-level load tests in one local app.

CLI tool for managing, saving, and sending HTTP requests across workspaces

HttpMaster Express is a professional testing tool for HTTP applications, with special focus on RESTful web services and web API applications.

API usage of JChem Base in .NET & MarvinSketch and MarvinView with GUI support in .NET.

Interactive Revit RFA and RVT project database exploration tool to view and navigate BIM element parameters, properties and relationships.

Interactive Revit RFA and RVT project database exploration tool to view and navigate BIM element parameters, properties and relationships.

Interactive Revit RFA and RVT project database exploration tool to view and navigate BIM element parameters, properties and relationships.

Interactive Revit RFA and RVT project database exploration tool to view and navigate BIM element parameters, properties and relationships.

Interactive Revit RFA and RVT project database exploration tool to view and navigate BIM element parameters, properties and relationships.

Interactive Revit RFA and RVT project database exploration tool to view and navigate BIM element parameters, properties and relationships.

Interactive Revit RFA and RVT project database exploration tool to view and navigate BIM element parameters, properties and relationships.

Interactive multi-protocol API browser and CLI for .NET — gRPC, REST, GraphQL, SignalR, MCP, SSE, WebSocket, MQTT, Socket.IO, OData, Surgewave, Kafka, DIS, UDP.

An open-source Postman-style API client and JMeter-style load testing desktop app.

OpenAPI mock server with realistic responses, request validation, latency and error simulation, and upstream proxy fallback

Connect your local process and your cloud environment, and run local code in cloud conditions.

CLI for the Quotation Factory manufacturing API.