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

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
    Start Free
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • 1
    La Suite Nemesis Research & Design 1.x (NemesisRD) es un conjunto de librerías multipropósito, que ofrece gran cantidad de clases y patrones implementados en C++, que tienen como objetivo facilitar la realización de las tareas más habituales a la hor
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    Telos
    A web services front-end to the Asterisk Management Interface, written in C# / WCF. Need help to maintain the C# codebase, help to get it working on Mono on Linux, and help to port it to Java / CXF / Axis 2.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    The first open-source XCAP server for SIP based softphones.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next