Free Alternative to Visual Studio
7 free & open-source projects that replace Visual Studio.
Compare at a Glance
| vs Visual Studio |  rust |  zig |  bazel |  roslyn | cargo |  electrobun |  xmake |
|---|---|---|---|---|---|---|---|
| Stars | 119k | 43k | 26k | 21k | 16k | 13k | 12k |
| Forks | 17k | 3.2k | 4.6k | 4.3k | 3.1k | 365 | 956 |
| Contributors | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Last Commit | Aug 24, 2026 | Nov 27, 2025 | Sep 16, 2026 | Sep 16, 2026 | Jul 15, 2026 | Jun 26, 2026 | Aug 31, 2026 |
| License | Apache-2.0 | MIT | Apache-2.0 | MIT | Apache-2.0 | MIT | Apache-2.0 |
| Language | Rust | Zig | Java | C# | Rust | TypeScript | Lua |
Are you paying for a commercial IDE and want a powerful, free alternative for your .NET development?
Meet Roslyn, the official .NET compiler platform that brings C# and Visual Basic languages to life with rich code analysis APIs. It's the powerful, flexible engine behind many popular development tools and integrated development environments. Roslyn offers deep insights into your code, enabling advanced features like refactoring, intelligent code completion, and diagnostics, all in a completely free and open-source package.
- 💻 C# & VB.NET Compilation
- 🔍 Rich Code Analysis APIs
- 🔌 IDE Integration
- 🛠️ Extensible & Customizable
- 🌐 Cross-Platform Support
Experience professional-grade compiler and analysis tools without any subscription fees or hidden costs. Roslyn is free and open-source, offering robust, enterprise-ready capabilities for developers working on macOS, Windows, and Linux.
Discover the full potential of Roslyn and hundreds of other incredible free and open-source projects. Visit Fossy today: https://fossy.dev/dotnet/roslyn
