Browse free open source CRM software and projects for Windows below. Use the toggles on the left to filter open source CRM software by OS, license, language, programming language, and project status.

  • Try Google Cloud Risk-Free With $300 in Credit Icon
    Try Google Cloud Risk-Free With $300 in Credit

    No hidden charges. No surprise bills. Cancel anytime.

    Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
    Start Free
  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
    Start Free
  • 1
    zaiko

    zaiko

    Zaiko is small, versatile stock control application.

    Zaiko is a simple application for small businesses, featuring sales and purchasing management as well as real-time stock control. Highly configurable, it is designed to adapt to the user's preferences. Written in PHP with a MySQL database, it can be run either locally or over the web, and accessed via web browser, thus being completely platform independent.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next
MongoDB Logo MongoDB