Skip to content

Built something? We create video reels & spotlights for GitHub projects.Promote your project →

Home / Topics / assert

Topic Catalog

Top ASSERT GitHub Repositories & Tools (2026)

Discover the most starred and trending open source tools tagged with #assert.

SPONSORED BY

Kishan Kanani

Design & product building

Interviewly

Job search tools for developers

+ Advertise here

Your product in front of developers

+ Promote project

Get a video reel for your repo

8 matching projects · updated Oct 3, 2026 How we rank ↗

#1 TRENDING enzymejs/enzyme JavaScript 2015

JavaScript Testing utilities for React

◇ assertion-library ◇ assertions ◇ ava ◇ chai

2K ↑ +1 today

#2 TRENDING VerifyTests/Verify C# 2019

Verify is a snapshot testing tool that simplifies the assertion of complex data models and documents.

◇ assertion-library ◇ snapshot ◇ snapshot-testing ◇ testing

189 ↑ +1 today

#3 TRENDING assertj/assertj Java 2013

Fluent testing assertions for Java and the JVM

◇ assertions ◇ assertj ◇ groovy ◇ hacktoberfest

789 ↑ +1 today

#4 TRENDING google/truth Java 2011

Fluent assertions for Java and Android

◇ assertion-framework ◇ java ◇ junit ◇ test-framework

274 ↑ +1 today

#5 TRENDING jest-community/jest-extended TypeScript 2017

Additional Jest matchers 🃏💪

◇ assertions ◇ extended ◇ jest ◇ matchers

227 ↑ +1 today

#6 TRENDING php-standard-library/php-standard-library PHP 2019

PHP Standard Library

◇ ansi ◇ async ◇ collection ◇ data-structures

92 ↑ +1 today

#7 TRENDING phpstan/phpstan-webmozart-assert PHP 2018

PHPStan extension for webmozart/assert

◇ assert ◇ php ◇ php7 ◇ phpstan

32 ↑ +1 today

#8 TRENDING sunaku/detest Ruby 2009

Assertion testing library for Ruby

◇ assertions ◇ ruby ◇ testing-framework

1 ↑ +1 today

From our network

FOR MAINTAINERS

Built something? Put it in front of millions of developers.

We make a short reel about your project and post it across YouTube, Instagram, Threads, and X. Send a link, we do the rest.

Promote your project