Top 18 Telephony Open-Source Projects

• fonoster

  53 6,080 9.3 JavaScript

  🚀 The open-source alternative to Twilio.

  

Project mention: Browser-to-Browser calling with SIP.js and Routr | dev.to | 2024-02-22

OSS Alternative to Twilio

• freeswitch

  3 2,981 8.6 C

  FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.

  

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• Kamailio

  1 2,121 9.9 C

  Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -

  

Project mention: What's the use of fd passing? | /r/C_Programming | 2023-12-08

Multi-process server applications using a prefork model are one example. You might have one process dedicated to accepting new connections over the network and maybe doing an initial handshake, and then a bunch of worker processes handling the actual connections. Kamailio's CDP module is built like this (https://github.com/kamailio/kamailio/tree/master/src/modules/cdp)

• easydeviceinfo

  0 1,752 0.0 Java

  :iphone: [Android Library] Get device information in a super easy way.

• baresip

  7 1,611 9.4 C

  Baresip is a modular SIP User-Agent with audio and video support

  

Project mention: Baresip – An Open Source modular SIP User-Agent with audio and video support | /r/patient_hackernews | 2023-09-04

• Twilio-csharp

  2 653 8.2 C#

  Twilio C#/.NET Helper Library for .NET6+.

  

• libresbc

  2 325 9.0 Python

  An open source Session Border Controller 🌟 The SBC you dream about 🗽 LibreSBC will help you save thousands of dollars.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• webcall

  5 143 9.0 JavaScript

  The telephone, a supernatural instrument before whose miracles we used to stand amazed, and which we now employ without giving it a thought, to summon our tailor or order an ice cream. --M.Proust

• webcall-android

  4 128 6.3 Java

  WebCall for Android - Web-Telephony P2P Messaging File-Exchange E2E-Encryption No-SIM

• bolna

  3 114 9.6 Python

  End-to-end platform enabling LLM based voice driven conversational applications

  

Project mention: Open source projects for connecting LLM+ tts andstt | news.ycombinator.com | 2024-04-01

• pade

  1 102 5.7 Go

  Pàdé (Yoruba word for Meet) is a browser extension (Chrome/Edge) based unified communications desktop client for Openfire.

  

• Eqivo

  2 71 3.8 PHP

  Open Source Programmable Voice/Telephony API Platform

  

• Rivr

  0 61 0.0 Java

  Rivr is a lightweight open-source dialogue engine enabling Java developers to easily create enterprise-grade VoiceXML applications.

  

• somleng-project

  1 44 7.2 HTML

  Entrypoint for the Somleng Project

  

Project mention: AWS to Begin Charging for Public IPv4 Addresses | news.ycombinator.com | 2023-08-03

You don’t actually need to use the AMI. Here’s an example of a NAT instance we build from scratch:

https://github.com/somleng/somleng-project/blob/main/infrast...

• wazo-js-sdk

  2 33 9.1 TypeScript

  Wazo's JavaScript Software Development Kit.

  

• PHP SIP Parsing/Rendering Library

  0 31 3.7 PHP

  :phone: SIP Parsing/Rendering Library for PHP

  

• dmcc

  0 10 0.0 Haskell

  Haskell bindings for AVAYA DMCC API and WebSockets server for AVAYA

  

• eqivo-sandbox

  1 9 3.5 JavaScript

  Sample Programmable Voice scenarios built with Eqivo

  

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

Telephony related posts

• Open source projects for connecting LLM+ tts andstt
  1 project | news.ycombinator.com | 1 Apr 2024
• Show HN: OSS voice based conversational API with <1sec latency and other nuances
  1 project | news.ycombinator.com | 27 Mar 2024
• Baresip – An Open Source modular SIP User-Agent with audio and video support
  1 project | /r/patient_hackernews | 4 Sep 2023
• Connecting linphone softphone
  1 project | /r/RingCentral | 15 Jun 2023
• Decent linux softphone w/command-line or dbus?
  1 project | /r/VOIP | 19 Jan 2023
• High bit rate recording sometimes causes this (I haven't noticed this with AVC encoding, only HEVC), is this normal? GPU: RX 590 / 22.3.1 drivers
  1 project | /r/AMDHelp | 16 Sep 2022
• [APP REQUEST] App to listen to microphone of one phone, on another phone, on same WiFi (kinda like baby monitor).
  2 projects | /r/androidapps | 7 Sep 2022
• A note from our sponsor - SurveyJS
  surveyjs.io | 24 Apr 2024

  With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js. Learn more →

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