rest

An advanced API testing utility.

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.

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

WebLogic Remote Console is a lightweight, open source console that you can use to manage your WebLogic Server domain running anywhere, such as on a physical or virtual machine, in a container, Kubernetes, or in the Oracle Cloud.

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

WebSurge - An Http REST Client and Load Testing Tool for Windows

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.

Friendly and fast tool for sending HTTP requests

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.

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.