postman-alternative — open-source software health

npm · crates.io

100Exceptionalhealth index

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern REST API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

TypeScript · Vue★ 16.1K↓ 8.3M/moSep 16, 2026

MITSep 16, 2026 · metrics 2.10.0

npm

95Exceptionalhealth index

usebruno/bruno

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

JavaScript · TypeScript★ 47K↓ 1.1M/moSep 16, 2026

MITSep 16, 2026 · metrics 2.10.0

crates.io · npm

87Excellenthealth index

mountain-loop/yaak

The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬

TypeScript · Rust★ 19.2KSep 16, 2026

MITSep 16, 2026 · metrics 2.10.0

77Goodhealth index

xaaha/hulak

Lightweight file-based CLI API client with age-encrypted secrets, first-class GraphQL support and MCP server for agentic workflow.

Go★ 94Sep 13, 2026

MITSep 13, 2026 · metrics 2.10.0

npm

69Goodhealth index

glubean/glubean

Workflow verification platform — write API tests in TypeScript, run locally or in CI, let AI agents write and repair them

TypeScript★ 2↓ 3,144/moSep 13, 2026

Apache-2.0Sep 13, 2026 · metrics 2.10.0

51Moderatehealth index

shahadulhaider/restless

A terminal-native HTTP client with TUI. Uses .http files — the same format as JetBrains and VS Code REST Client. Import from Postman, Insomnia, Bruno, curl, OpenAPI. Response assertions for CI/CD. Code generation in 8 languages.

Go★ 2Sep 19, 2026

MITSep 19, 2026 · metrics 2.10.0

50Moderatehealth index

I-invincib1e/Httli

A colorful, lightweight command-line HTTP client similar to Postman. Built with Go for fast performance and beautiful terminal output.

Go★ 7Sep 13, 2026

MITSep 13, 2026 · metrics 2.10.0

#postman-alternative