This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.
Star History
Momentum
+26
STARS · LAST 30 DAYS
1
PER DAY
#146
MOST-STARRED C#
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +26 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +2 | +6 | +16 |
testfx gained 26 stars in the last 30 days, about 1 a day, and now has 1K. It is about 10 years old and has averaged roughly 104 stars a year. It ranks #146 among C# repositories and #2,588 across all languages on GitHubRepo.
Trending Record
6
DAYS ON TRENDING
#529
BEST RANK
Sep 23, 2026
FIRST APPEARANCE
Active
STATUS TODAY
testfx has maintained a continuous presence across global trending indexes, peaking at #529. Below is the 30-day activity profile:
💡 Overview
testfx is an open-source project written in C#: This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.
Engineered for speed, consistency, and developer ease, it solves common hurdles in dotnet, microsoft, microsoft-testing-platform. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in C# for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/microsoft/testfx.git
cd testfx⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C# environment and standard tooling
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
testfx coordinates its core functionality through a modular C# pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Command-Line Automation
Execute automated build, deployment, and maintenance tasks directly from the terminal.
CI/CD Workflow Integration
Run non-interactive validation checks in GitHub Actions, GitLab CI, or local pre-commit hooks.
Developer Environment Setup
Standardize local engineering workstations with single-binary utility commands.
Scripting & Pipeline Orchestration
Chain complex multi-stage scripts with reliable error reporting and exits.
🚀 Getting Started
Install testfx using your package manager: `git clone https://github.com/microsoft/testfx.git`
Initialize your project workspace or configuration file for testfx.
Import testfx into your codebase or invoke it directly from your terminal.
Execute your test suite or run `testfx --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C#, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
microsoft/testfx is currently ranked #2,588 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #2,582 | backdrop/backdrop | PHP | ★ 1K | Compare ↗ |
| #2,584 | cBioPortal/cbioportal | Java | ★ 1K | Compare ↗ |
| #2,585 | apache/james-project | Java | ★ 1K | Compare ↗ |
| #2,585 | a16z/jolt | Rust | ★ 1K | Compare ↗ |
| #2,587 | fsspec/s3fs | Python | ★ 1K | Compare ↗ |
| #2,588 | microsoft/testfx This Project | C# | ★ 1K | |
| #2,589 | caged/gitnub | Ruby | ★ 1K | Compare ↗ |
| #2,589 | mfat/sshpilot | Python | ★ 1K | Compare ↗ |
| #2,591 | apple/servicetalk | Java | ★ 1K | Compare ↗ |
| #2,592 | pkp/ojs | PHP | ★ 1K | Compare ↗ |
| #2,592 | mezz/JustEnoughItems | Java | ★ 1K | Compare ↗ |
Frequently Asked Questions
What does testfx do? +
This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.
What language is testfx written in? +
The primary language is C#. Topics include: dotnet, microsoft, microsoft-testing-platform, mstest, mstestv2.
Is testfx actively maintained? +
Yes, the last recorded push was on Sep 26, 2026 with 66 open issues being tracked.
How many stars does testfx have? +
testfx has 1,043 stars and 312 forks on GitHub.
How does testfx rank among GitHub repositories? +
With 1,043 stars, microsoft/testfx is ranked #2,588 globally across all repositories tracked on GitHubRepo and #146 among C# projects.
What license is testfx distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
