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

nodejs javascript testing cli tap unit-testing performance node tdd async unicorns concurrency test-runner async-functions test-framework ava assert cli-app

• Updated Nov 7, 2026
• JavaScript

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

assert power-assert

• Updated Jan 7, 2023
• JavaScript

Test Anything Protocol tools for node

testing tap node framework typescript tdd commonjs test bdd assert code-coverage esm testanythingprotocol

• Updated Nov 5, 2026
• JavaScript

A tiny invariant function

assert invariant assertion type-guard

• Updated Jul 25, 2024
• TypeScript

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

validation guard contract exception assert assertion argument fluent clause

• Updated Aug 21, 2024
• C#

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

nodejs javascript testing unit-testing typescript cross-platform tdd bdd integration-testing watch test-runner assert e2e zero-dependency assertion dependency-free bun kill-port e2e-testing deno

• Updated Nov 5, 2026
• TypeScript

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

go stacktrace zap attributes logger context exception error logrus assert structured-logging assertion handling slog zerolog logrus-fomatter

• Updated Nov 1, 2026
• Go

node's assert.deepEqual algorithm

nodejs javascript node assert strict equal deepequal loose

• Updated Nov 5, 2026
• JavaScript

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

testing golang http json-schema http-api-debug assert expectations gentleman

• Updated Aug 10, 2022
• Go

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

testing rust assert compile-time static-assertions

• Updated Nov 18, 2023
• Rust

A multiplatform expectation library for Kotlin

kotlin assertions assert assertion-library hacktoberfest kotlin-testing assertion-framework kotlin-multiplatform

• Updated Nov 11, 2026
• Kotlin

An assertion library for Kotlin

kotlin testing test assertions assert fluent-api

• Updated Aug 17, 2024
• Kotlin

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

testing go golang test assertions assert

• Updated Sep 14, 2026
• Go

Strong type constraints for Scala

scala types functional-programming assert refinement-types

• Updated Oct 26, 2026
• Scala

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

javascript validation validator form form-validation validate assert sanitize validatorjs

• Updated Apr 23, 2026
• TypeScript

🍀 Golang basic library. || Go语言基础库

mock golang log atomic reflect leaky-bucket bits md5 consistent-hashing assert token-bucket bitrate big-endian goroutine-pool deferred-tasks buffer-pool go-utils ratelimit circularqueue defer-task

• Updated Apr 10, 2025
• Go

🛵 Universal adapter for TypeScript schema validation.

adapter typescript schema validation inference assert type

• Updated Oct 14, 2024
• TypeScript

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

nodejs javascript browserify assert node-shim

• Updated Dec 21, 2024
• JavaScript

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

testing typescript mocha jest chai assert assertion-libraries

• Updated Sep 30, 2025
• TypeScript

An enjoyable golang test framework.

testing lightweight golang unit-testing diff log test snapshot-testing assert dependency-free

• Updated Jun 28, 2026
• Go