Open Source Linux Communications Software

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

  • Trumba is an All-in-one Calendar Management and Event Registration platform Icon
    Trumba is an All-in-one Calendar Management and Event Registration platform

    Great for live, virtual and hybrid events

    Publish, promote and track your events more affordably and effectively—all in one place.
    Learn More
  • Award-Winning Medical Office Software Designed for Your Specialty Icon
    Award-Winning Medical Office Software Designed for Your Specialty

    Succeed and scale your practice with cloud-based, data-backed, AI-powered healthcare software.

    RXNT is an ambulatory healthcare technology pioneer that empowers medical practices and healthcare organizations to succeed and scale through innovative, data-backed, AI-powered software.
    Learn More
  • 1
    Gpredict

    Gpredict

    Real time satellite tracking and orbit prediction

    Gpredict is a real-time satellite tracking and orbit prediction application. Gpredict can track an unlimited number of satellites and display the data in tables and various graphical view.
    Leader badge
    Downloads: 313 This Week
    Last Update:
    See Project
  • 2
    phpFreeChat is a free, simple to install, fast and customizable chat that uses by default files for message and nickname storage. It uses AJAX to smoothly refresh and display the chat zone and the nickname zone.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 3
    ANts P2P
    ANts P2P realizes a third generation P2P net. It protects your privacy while you are connected and makes you not trackable, hiding your identity (ip) and crypting everything you are sending/receiving from others.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 4
    Kalkun
    Kalkun is an open source web-based SMS (Short Message Service) manager. It uses Gammu SMSD (part of gammu family) as SMS gateway engine to deliver and retrieve messages from your phone/modem. Documentation is on the wiki: https://github.com/kalkun-sms/Kalkun/wiki Development and source code can be found on github: https://github.com/kalkun-sms/Kalkun/
    Downloads: 8 This Week
    Last Update:
    See Project
  • D&B Hoovers is Your Sales Accelerator Icon
    D&B Hoovers is Your Sales Accelerator

    For sales teams that want to accelerate B2B sales with better data

    Speed up sales prospecting with the rich audience targeting capabilities of D&B Hoovers so you can spend more sales time closing.
    Learn More
  • 5
    A fully perl written sofware for windows (also stand alone binary code included, so it does not require perl installation to use it) to receive short messages (SMS) sent by mobilephone.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    Eggdrop
    Eggdrop is the most advanced IRC robot available. It has been under development since December 1993, and unlike most other bots, it is still regularly updated.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 7
    AlarmeJT

    AlarmeJT

    Visual alert based on decoded Callsigns with WSJT-X in JT65, JT9, FT8.

    AlarmeJT been designed with Lazarus , written in Pascal , it is only reserved for private use for Amateur Radio . It is designed to work with exellent WSJT -X Joe Taylor, K1JT running on JT65, JT9 and FT8 modes . It is the addiction of JTAlert VK3AMA on Linux. You can arrange the various windows of the software as you wish . Positions and window sizes are always back . AlarmeJT à été conçu grâce à Lazarus, écrit en Pascal, il est uniquement réservé à un usage privé pour les Radioamateurs. Il est prévu pour fonctionner avec l'exellent WSJT-X de Joe Taylor, K1JT fonctionnant sur les modes JT65A, JT9 et FT8. Il est le penchant de JTAlert de VK3AMA sur Linux. Vous pouvez organiser les différentes fenêtres du logiciel comme bon vous semble. Positions et tailles des fenêtres sont systématiquement sauvegarder.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    The DC Hub Network Utilities (aka DCHNU) are a group of utilities that provide additional services and features for the DC Hub Networks.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    A fork of pidgin which aims to provide minor features that have not been addressed by the pidgin development team (including manual textbox resizing). See funpidgin.sf.net for details.
    Downloads: 0 This Week
    Last Update:
    See Project
  • DAT Freight and Analytics - DAT Icon
    DAT Freight and Analytics - DAT

    DAT Freight and Analytics operates DAT One truckload freight marketplace

    DAT Freight & Analytics operates DAT One, North America’s largest truckload freight marketplace; DAT iQ, the industry’s leading freight data analytics service; and Trucker Tools, the leader in load visibility. Shippers, transportation brokers, carriers, news organizations, and industry analysts rely on DAT for market trends and data insights, informed by nearly 700,000 daily load posts and a database exceeding $1 trillion in freight market transactions. Founded in 1978, DAT is a business unit of Roper Technologies (Nasdaq: ROP), a constituent of the Nasdaq 100, S&P 500, and Fortune 1000. Headquartered in Beaverton, Ore., DAT continues to set the standard for innovation in the trucking and logistics industry.
    Learn More
  • 10
    Hastymail
    Hastymail is a fast, secure, rfc-compliant, cross-platform IMAP/SMTP client application written in PHP providing a clean web interface for sending and reading E-mail. This version of Hastymail is no longer being developed. We are now working on a new version, Hastymail 3, AKA, "Cypht". http://cypht.org
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Hathi
    Hathi, P2P client. Rewritten in C#, using mono and .net, for linux and windows platforms. Initial networking support for edonkey, with bittorrent in planning. We are looking for contributors!! Back in action after some busy days :)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Hotline compatible server/client/tracker for unix. Protocol documentation and extensions.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    KServerIMGBin is really free imagebin software: it doesn't cost you anything nor does it restrict the use of its source code (as long as it is GPL'd).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Finnish translation pack for the Mozilla web browser. Downloadable .xpis are available for several versions. Latest language pack is for Mozilla 1.7(.2). Projektin tarkoituksena on Mozillan suomentaminen. Uusin kielipaketti on Mozillan versiolle 1.7(.2)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    SafeSMS in an application for SMS end-to-end encryption. It can send and receive encrypted messages. Encryption uses a secret key derived from a password and shared by sender and recipient. Sent and received messages can only be read with the password.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    SaunaSMS J2ME
    SaunaSMS J2ME is application for customers of finnish operator Saunalahti to send FREE or pre-purchased SMS Messages. Idea of SaunaSMS J2ME is based on similar application developed for other platforms (ie. iPhone). This is my first J2ME app :)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    NOTE: This code has not been updated since 2005. Keeping it here for historical purposes. NOTE2: The code will not most probably compile against latest SILC libraries or with latest GTK either. Silky WAS a secure chat client for SILC (Secure Internet Live Conferencing) protocol. The code is written in C and the GUI is implemented using the GTK toolkit. Supported operating systems include Linux and Windows.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Tcldrop is basically a clone of the Eggdrop IRC bot, but is being written purely in Tcl. The intention is to write a much more scriptable bot than Eggdrop is. It will run stand-alone or from any Tcl-enabled application (Tcl v8.5+).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Unicode Sharing and Chat client

    Unicode Sharing and Chat client

    File sharing client with chat

    Unicode File Sharing and Chat client with remote control via MUSCLE compatible BeShare client.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Full-featured lightweight IRC client.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Eggdrop is the most advanced IRC robot available. It has been under development since December 1993, and unlike most other bots, it is still regularly updated.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    PASchatti
    Highly specialized webchat frontend/client for Suomi24 Chat. Finnish only.
    Downloads: 0 This Week
    Last Update:
    See Project
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