Microsoft .NET alternatives

Free, open-source developer platform maintained by Microsoft for building a wide range of applications.

  • Free, open-source developer platform maintained by Microsoft for building a wide range of applications.

    Free plan
    Yes
    Learning curve
    Medium
    Setup
    5-10 minutes
  • JavaScript runtime built on V8 for scalable server-side and tooling applications.

    Free plan
    Yes
    Learning curve
    Medium
    Setup
    5 minutes
  • Enterprise-grade object-oriented language powering Android, backends, and large systems.

    Free plan
    Yes
    Learning curve
    Advanced
    Setup
  • Versatile language for web apps, data science, automation, AI, and scripting.

    Free plan
    Yes
    Learning curve
    Easy
    Setup
    5-10 minutes for installation
  • Google's compiled language for simple, fast systems programming and cloud-native services.

    Free plan
    Yes
    Learning curve
    Easy
    Setup
    Quick installation and setup
  • Memory-safe systems language with zero-cost abstractions for fast, reliable software.

    Free plan
    Yes
    Learning curve
    Advanced
    Setup
    5-10 minutes
  • Build scalable .NET web and SaaS apps faster, without the setup hassle.

    Free plan
    Yes
    Learning curve
    Advanced
    Setup
    Minutes with CLI
  • Accelerated Mobile Pages format and tooling for fast, cacheable mobile web content.

    Free plan
    Yes
    Learning curve
    Medium
    Setup
  • Google's TypeScript framework for enterprise web apps with batteries-included tooling.

    Free plan
    Yes
    Learning curve
    Advanced
    Setup
    5-10 minutes
  • Content-focused web framework for fast static sites with partial hydration and islands.

    Free plan
    Yes
    Learning curve
    Medium
    Setup
    Under 5 minutes
  • Fullstack toolkit built on top of Next.js that bridges the gap between frontend and backend development.

    Free plan
    Yes
    Learning curve
    Medium
    Setup
    Under 5 minutes
  • Open-source multi-agent orchestration framework that enables you to build collaborative AI agent teams.

    Free plan
    Yes
    Learning curve
    Medium
    Setup
  • Open-source, CNCF-backed framework that extends Kubernetes to enable organizations to build their own control planes and platforms.

    Free plan
    Yes
    Learning curve
    Advanced
    Setup

How these alternatives were chosen

Tools Microsoft .NET names as alternatives that this directory also publishes, followed by others in Framework. The order is not a ranking, and "—" means we have not checked that field — not that the answer is no.