Node.js test runner that lets you develop with confidence 🚀

• UpdatedNov 5, 2025
• JavaScript

Power Assert in JavaScript. Provides descriptive assertion messages through standard assert interface. No API is the best API.

• UpdatedJan 7, 2023
• JavaScript

Test Anything Protocol tools for node

• UpdatedDec 1, 2025
• JavaScript

A tiny invariant function

• UpdatedJul 25, 2024
• TypeScript

A simple, fluent, extensible, and fully customizable library for throwing exceptions for projects using .NET 6+

• UpdatedAug 21, 2024
• C#

🐷 Poku makes testing easy for Node.js, Bun, Deno, and you at the same time.

• UpdatedNov 26, 2025
• TypeScript

🔥 Error handling library with context, assertion, stack trace and source fragments

• UpdatedDec 5, 2025
• Go

node's assert.deepEqual algorithm

• UpdatedJan 30, 2024
• JavaScript

Expressive end-to-end HTTP API testing made easy in Go

• UpdatedAug 10, 2022
• Go

Ensure correct assumptions about constants, types, and more in Rust

• UpdatedNov 18, 2023
• Rust

A multiplatform expectation library for Kotlin

• UpdatedDec 16, 2025
• Kotlin

An assertion library for Kotlin

• UpdatedAug 17, 2024
• Kotlin

A collection of packages to augment the go testing package and support common patterns.

• UpdatedFeb 8, 2025
• Go

⁉️ Lightweight JavaScript form validation, that had minimal configuration and felt natural to use. No dependencies, support UMD.

• UpdatedDec 15, 2024
• TypeScript

🍀 Golang basic library. || Go语言基础库

• UpdatedApr 10, 2025
• Go

Strong type constraints for Scala

• UpdatedDec 16, 2025
• Scala

🛵 Universal adapter for TypeScript schema validation.

• UpdatedOct 14, 2024
• TypeScript

Node.js's require('assert') for all engines

• UpdatedDec 21, 2024
• JavaScript

An enjoyable golang test framework.

• UpdatedDec 8, 2025
• Go

☕ Ergonomic, modern and type-safe assertion library for TypeScript

• UpdatedSep 30, 2025
• TypeScript