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Standard xUnit-style testing framework for PHP, underpinning Laravel, Symfony and most PHP projects.

De facto Python testing framework with plain asserts, powerful fixtures and 1,000+ plugins.

Standard Java testing framework; JUnit 6 unified versioning and requires Java 17+.

Modern, community-focused unit testing framework for .NET and the default in many new C# projects.

Head to head

Metric	PHPUnit	pytest	JUnit	xUnit.net
Stars	20.1k	14.7k	7.1k	4.6k
Weekly downloads	n/a	233M	n/a	n/a
Download growth	n/a	+24%	n/a	n/a
Popularity score	79/100	89/100	70/100	67/100
Forks	2.2k	3.6k	1.7k	844
Open issues	9	930	113	16
Last commit	2d ago	4d ago	today	3d ago
Latest version	n/a	9.2.0Oct 27, 2026	n/a	n/a
License	BSD-3-Clause	MIT	EPL-2.0	n/a
First released	2009	2015	2015	2013
Signals	Popular	Popular	Popular	Popular
Listed in	Testing & QA › Unit Testing: Python, JVM, .NET, Go & More	Testing & QA › Unit Testing: Python, JVM, .NET, Go & More	Testing & QA › Unit Testing: Python, JVM, .NET, Go & More	Testing & QA › Unit Testing: Python, JVM, .NET, Go & More

Weekly downloads over time

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): PHPUnit, JUnit, xUnit.net.