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Open Source C Communications Software

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

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  • 1
    Gammu

    Gammu

    Cellular manager for mobile phones/modems

    Gammu is a cellular manager for mobile phones/modems. It contains libraries and functions for ringtones,logos,phonebook,SMS,etc. (used by external software), a command line version (with backup/restore) and SMS gateway (with MySQL and PostgreSQL supp
    Downloads: 15 This Week
    Last Update:
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  • 2
    vcard program vCardz_i

    vcard program vCardz_i

    VCF vcard, XML xcard, JSON jcard;View, Edit, Convert, Export, CSV, QR

    vCardz_i supports VCF, XML and JSON vcards; View, Create, Edit, Extract, Convert, Import CSV, TAB or |, Export CSV, Excel® .xlsx, TXT or ODS spreadsheet. Create vcard QR code images, in MEcard, vCard or xCard format., or create your own QR from your text entry. Voice output of selected data or a complete address. Create multiple Themes to easily switch appearance. Free multifunction vcard address book program to handle multilingual VCF, XML and JSON vcard files. Use the same vcards from your phone, tablet, iOS, other devices, as well as GMail, Outlook, Apowersoft Phone Manager, and others, in Windows® . Supports vcard vcf 2.1, vcf 3.0, vcf 4.0, xcard 4.0, and jcard 4.0. Can run from a USB drive. Help file and example VCF, XML, and JSON files are provided too. vCardz_i version 3.1.1 Optimize for no mouse and screen reader NVDA 05/18/25 two prior versions at: https://sourceforge.net/projects/vcardz/files/Older%20Installation%20Files/
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    Downloads: 63 This Week
    Last Update:
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  • 3
    OpenL2TP is an L2TP client/server written specifically for Linux. It has been designed for use as an enterprise L2TP VPN server or for use in commercial, Linux-based, embedded networking products.
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    Downloads: 61 This Week
    Last Update:
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  • 4
    ZEG / Zero-Effort-Groupware

    ZEG / Zero-Effort-Groupware

    SOGo Zero-Effort-Groupware

    The ZEG (Zero Effort Groupware) edition of SOGo is intended to provide a complete out-of-the-box testing environment of SOGo, the Open Source messaging and calendaring software.
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    Downloads: 33 This Week
    Last Update:
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  • 5
    IndiMail
    Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support
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    Downloads: 8 This Week
    Last Update:
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  • 6
    OpenEMM e-mail & marketing automation

    OpenEMM e-mail & marketing automation

    software for email automation (newsletters, transaction mails, etc.)

    This is an archive for old versions of OpenEMM. You will find the latest version of OpenEMM here: https://wiki.openemm.org OpenEMM is a browser-based enterprise application for email automation like info and marketing newsletters, transaction mails or multi-stage email campaigns. OpenEMM offers tons of features for professional users, among them: a great user interface, template-based HTML mailings, automatic bounce management, mail opening and link tracking, lots of graphical realtime statistics, a content management system, self-defined and behaviour-based target groups, a multi-queue mail backend for maximum sending performance, a time-driven automated data import and export feature, an extensive set of webservices, a plugin interface to easily extend the core functionality, a scripting feature to enhance the functionality of OpenEMM with triggerable customized actions and an audit-proof user activity log.
    Downloads: 7 This Week
    Last Update:
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  • 7

    linSmith

    Smith chart intended for educational use

    A Smith charting program. You can enter either discrete components or transmission lines, see the results on screen and/or generate Postscript output. Component values can be changed numerically or using scrollbars.
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    Downloads: 9 This Week
    Last Update:
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  • 8
    Using the vCard format as the data storage structure, Rolo will keep track of your contacts and display them to you with a curses front end.
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    Downloads: 13 This Week
    Last Update:
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  • 9
    XASTIR

    XASTIR

    Multiplatform Ham Radio APRS and Mapping Program

    NOTE: Code commits are FROZEN on SourceForge: New code is now at <http://github.com/Xastir/Xastir>. Real-time tracking & messaging of stations via radio/internet APRS data streams, w/125 map formats supported. Linux/FreeBSD/Solaris/MacOSX/Windows in any of 7 languages. Can also be used for mobile mapping w/GPS. MAILING LISTS ARE AT: PROJECT->WEB SITE.
    Downloads: 4 This Week
    Last Update:
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  • 10
    m2 is a network message bus designed to support low-latency, service-routed message passing, with push updates and scalable publish / subscribe capabilities. Client support exists for Tcl and Javascript currently, with others planned.
    Downloads: 4 This Week
    Last Update:
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  • 11
    AMS is a suite of software intended to make day to day administration and monitoring of an Asterisk PBX server easier. It contains a daemon that acts as a proxy to Asterisk's Manger Interface and a GTK GUI application for monitoring and administration.
    Downloads: 2 This Week
    Last Update:
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  • 12
    The ATSlog software provides a handy web-oriented interface for collecting, viewing and analysing calls for various types of PBX (Private Branch eXchange) models.
    Downloads: 3 This Week
    Last Update:
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  • 13
    OpenChange Project

    OpenChange Project

    Microsoft Exchange compatible server and client libraries

    OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers. OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native Exchange protocols and does not require any plugin installation in Outlook.
    Downloads: 1 This Week
    Last Update:
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  • 14
    MLS6(BG9AMG's the Maidenhead's Locator System Calculator 6th) is a free calculator program, which can convert Maidenhead's Locator System Grid Square into a coordinate(Lat/Lon) and gernerate a GoogleEarth kml file, distri- buted under GPL.
    Downloads: 2 This Week
    Last Update:
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  • 15
    dialDTMF is a library for dialing DTMF's (it is not a DTMF tone generator). An example usage of the library is included which is a Pocket Contact plugin to dial telephone numbers from a PDA running the Microsoft Pocket PC platform
    Downloads: 2 This Week
    Last Update:
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  • 16
    Application sharing software that allows individual windows to be replicated to other computers. Remote collaboration tool based on a modified VNC protocol. Its advantage is to keep some things, like email, private, while sharing other desktop apps.
    Downloads: 1 This Week
    Last Update:
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  • 17
    ZigBee Localizer

    ZigBee Localizer

    Localization system using ZigBee WSN

    Localization system for ZigBee networks. Based on the analysis of RSSI, estimates the positions of the mobile nodes. Firmware in C for the ZigBee modules. Java service produces results in a accessible webservlet, the user can manage the WSN network.
    Downloads: 1 This Week
    Last Update:
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  • 18
    A resource-conscientious, flexible, modular, platform-independent, scalable and robust server based on ircd-ratbox.
    Downloads: 1 This Week
    Last Update:
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  • 19

    rcard

    ncurses VCard 3.0 contact management editor

    A vcard 3.0 contact management editor developed for ncurses. It can: - load a vcf file - show all the contacts in a list - show more information about a single contact - perform a simple search in the contacts list - edit contacts - support UTF-8 (currently not on WIN32, though I'm not sure WIN32 console is actually able to support UTF-8) - convert the VCF(s) to Pine/Alpine addressbook format - import images from files as contacts photos The idea is based upon rolo (which you can find at SourceForge.net, too), but no original code remains. What is still not working: - showing a pretty screen for the contact details (for now it simply dump the information in vcard format)
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Af-Arch is an Open Source N-tier framework to build distribuited applications. Its license schema allows Open Source and commercial (closed source) applications. This is the foundation to build an new set of applications in a fast and reliable way.
    Downloads: 0 This Week
    Last Update:
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  • 21
    Assist takes plain english commands and interpretes them to carry out a specified action. Example: "remind me to hand in paper on monday" will create a reminder in your PIM with the subject: "hand in paper", due date being the very next Monday.
    Downloads: 0 This Week
    Last Update:
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  • 22
    BAOW is a lightweight content manage system based on python language and SQL database, help you to develop complex web applications.
    Downloads: 0 This Week
    Last Update:
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  • 23
    Bobcat Open Source Software is an umbrella project of a number of open-source software projects developed at Ohio University, including, among others, a distributed process management system, a meeting scheduling tool, and a performance evaluation tool.
    Downloads: 0 This Week
    Last Update:
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  • 24
    Convention Manager for PalmOS. Intended to be downloaded at a registration desk or website of a convention. Supports multiple cons, notifications for interesting scheduled events, and speaker and event info.
    Downloads: 0 This Week
    Last Update:
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  • 25
    The Calculator File-Xferer, transfers files from and to a casio calculator through a serial interface.
    Downloads: 0 This Week
    Last Update:
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