Free Services & Tools for Open Source .NET Projects

This community maintained list showcases free tools and services for open source software development on .NET. If you know of any additions to this list PR a change. This list focuses on services specifically supporting .NET development - a list covering a wide range of platforms is available at OSS Perks.

Please sort projects alphabetically and provide a one-line description. Where possible links should be to a page showing free open source plans (for example a web page, blog post or pricing page with open source plan detailed). Create new sections, as appropriate.

IDEs

• ReSharper - Visual Studio extension providing code analysis, formatting, refactoring and more.
• Visual Studio Community - Full version of Visual Studio available free
• VS Anywhere - Visual Studio extension for in IDE collaborative development.

Cross Platform Development

• Xamarin - Share .Net code across Windows, iOS, Android and Mac.

Hosted Build and Continuous Integration

• AppVeyor - Windows based cloud build/CI servers tailored for .Net developers.
• TeamCity at CodeBetter - JetBrains TeamCity CI server made available for open source projects by CodeBetter.
• TravisCI - Hosted CI service supporting .Net builds via Mono on Linux.

Profilers

• ANTS Memory Profiler - .Net memory profiler from redgate.
• ANTS Performance Profiler - .Net performance profiler from redgate.
• dotTrace - Performance profiler for .Net applications

Aspect Oriented Programming

• PostSharp - Aspect-oriented programming tool to eradicate boilerplate code.

Code Analysis

• Coverity Scan - Static analysis service to identify defects in C# code.
• dotCover - Code coverage tool integrated with Visual Studio.
• .Net Reflector - Browse, analyse and decompile IL code.
• Sonarqube-static code analysis tools out there. It is an open-source platform for continuous inspection of code quality and performs automatic reviews via static code analysis

Package Management

• MyGet - Publish public NuGet feeds of your packages for free.

Analytics and Error Reporting

• Bugsnag - Cross platform error reporting.
• countly - comprehensive product analytics platform needed to build outstanding and innovative products and the most privacy-conscious solution for mobile, desktop, and web applications for all users.
• elmah - Error logging and uptime monitoring for .NET.
• raygun.com-Error Monitoring & Crash Reporting for .NET.
• Sentry - Cross platform error reporting.

Cloud Resources and Services

• Azure SDK for .NET - Easily build, manage, and deploy cloud-scale apps with Visual Studio and Azure.

Misc

• Crowdin - Localization management platform.
• Transifex - Localization management platform.