Open Source Linux Communications Software

Communications Software for Linux

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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.

  • Auth for GenAI | Auth0 Icon
    Auth for GenAI | Auth0

    Enable AI agents to securely access tools, workflows, and data with fine-grained control and just a few lines of code.

    Easily implement secure login experiences for AI Agents - from interactive chatbots to background workers with Auth0. Auth for GenAI is now available in Developer Preview
    Try free now
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 1
    BeeBEEP (Free Office Messenger)

    BeeBEEP (Free Office Messenger)

    You can message and share files inside your intranet without a server.

    BeeBEEP is a secure (encryption based on Rijndael Algorithm, AES) peer to peer office messenger. You can talk and send files with all your colleagues inside a local area network such of an office, home or internet cafe without a server. BeeBEEP works also with VPNs. This serverless application is indispensable in all those places where privacy and security an essential requirement. For more info visit: https://www.beebeep.net
    Leader badge
    Downloads: 2,281 This Week
    Last Update:
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  • 2
    OpenKM Document Management - DMS

    OpenKM Document Management - DMS

    Document Management System and Content Management System

    OpenKM is a electronic document management system and record management system EDRMS ( DMS, RMS, CMS ). It provides modern and flexible architecture that meet today's IT demands, based on open technology (Java, Tomcat, GWT, Lucene, Hibernate, Spring and jBPM), powerful and scalable multiplatform application. OpenKM is a Web 2.0 application that works with Internet Explorer, Firefox, Safari and Opera. Can be configured in major DMBS like Oracle, PostgreSQL and MySQL among others. Due to its technological architecture design, OpenKM meets the document management needs of businesses of all sizes (from SMEs to big corporations). Thanks to its elegant and intuitive interface, OpenKM transforms complex operations into easy tasks. The most relevant functions of OpenKM is the indexing of the most common types of files: text, Office, Office 2007, OpenOffice, PDF, HTML, XML, MP3, JPEG, etc. For a complete feature list take a look at http://goo.gl/au8cQy
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    Downloads: 949 This Week
    Last Update:
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  • 3
    DavMail POP/IMAP/SMTP/Caldav to Exchange
    Ever wanted to get rid of Outlook ? DavMail is a POP/IMAP/SMTP/Caldav/Carddav/LDAP gateway allowing users to use any mail client with Exchange and Office 365, even from the internet through Outlook Web Access on any platform, tested on MacOSX, Linux and Windows
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    Downloads: 511 This Week
    Last Update:
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  • 4
    Alfresco Community Edition

    Alfresco Community Edition

    Open Source Enterprise Content Management ECM

    The open source Enterprise Content Management (ECM) software that handles any type of content, allowing users to easily share and collaborate on content.
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    Downloads: 401 This Week
    Last Update:
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  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 5
    seeddms

    seeddms

    Open Source Document Management System

    SeedDMS is an easy to use but powerful Open Source Document Management System based on PHP and MySQL or sqlite3. Many years of development has made it a mature and enterprise ready plattform for sharing and storing documents.
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    Downloads: 361 This Week
    Last Update:
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  • 6
    SymmetricDS

    SymmetricDS

    Database Replication, Filtered Synchronization, and Transformation

    SymmetricDS is database replication and file synchronization software. It is a platform-independent, web-enabled, and database-agnostic synchronization tool. With initial data load, bidirectional change data capture, conflict resolution, and data transformation, it is a comprehensive data replication solution.
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    Downloads: 301 This Week
    Last Update:
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  • 7
    phpList

    phpList

    Powerful Open Source Email Marketing app with analytics & segmentation

    phpList delivers Open Source email marketing, including analytics, list segmentation, content personalisaton and bounce processing. Extensive technical features and a secure and stable codebase are the result of over 17 years of continuous development. Used in 95 countries, available in 20+ languages, and used to send 25 billion email campaigns last year. Deploy it with your own SMTP server, or get a free hosted account at http://phplist.com.
    Leader badge
    Downloads: 268 This Week
    Last Update:
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  • 8
    STAR

    STAR

    Travel light, run fast, just works! Devuan powered!

    This is the home of Star live distro powered by Devuan stable linux (Non-Systemd). Images to choose from: 64 bit - Xfce (minimal), Fluxbox, Openbox, Jwm, i3, Cli 32bit - Jwm, Cli There is a small selection of applications, including: web browser, text editor, image viewer, pdf viewer, file manager, terminal, media player. If you like to customize your desktop, then this is the distro you you! This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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    Downloads: 238 This Week
    Last Update:
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  • 9
    MRBS is a system for multi-site booking of meeting rooms. Rooms are grouped by building/area and shown in a side-by-side view. Although the goal was initially to book rooms, MRBS can also be used to book any resource; computers, planes, whatever you want
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    Downloads: 153 This Week
    Last Update:
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  • Secure remote access solution to your private network, in the cloud or on-prem. Icon
    Secure remote access solution to your private network, in the cloud or on-prem.

    Deliver secure remote access with OpenVPN.

    OpenVPN is here to bring simple, flexible, and cost-effective secure remote access to companies of all sizes, regardless of where their resources are located.
    Get started — no credit card required.
  • 10

    OS X Portable Applications

    Portable OS X FOSS applications

    OS X FOSS portable applications are packaged so you can carry around on any portable device, USB thumb drive, iPod, portable hard drive, memory card, other portable device (or also on your internal hard disk), taking your preferences with you.
    Downloads: 121 This Week
    Last Update:
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  • 11
    Asterisk GUI client, VICIdial

    Asterisk GUI client, VICIdial

    VICIdial Contact Center Suite

    This software suite is designed to extend the functionality of the Asterisk PBX through platform-independant web-client applications. Includes the VICIdial inbound/outbound contact center application. The suite is scalable across multiple Asterisk servers.
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    Downloads: 69 This Week
    Last Update:
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  • 12
    mendelson AS2

    mendelson AS2

    Implementation of the EDIINT AS2 protocol (RFC 4130)

    mendelson AS2 is the JAVA-based open source EDIINT AS2 solution. Monitoring- and configuration GUI, async & sync MDN, signatures, encryption, TLS, web interface, pluggable into any servlet container, partner manager, certificate manager, data compression, optional profiles: MA, FN. Localized to Spanish, Italian, Portuguese, German, English, French.
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    Downloads: 118 This Week
    Last Update:
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  • 13
    Makagiga

    Makagiga

    To-do manager, notepad, RSS reader...

    Makagiga is an open-source, easy-to-use, portable application for doing a variety of tasks, such as todo listing, text editing, or RSS reading. Plugins are used to implement its various capabilities.
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    Downloads: 46 This Week
    Last Update:
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  • 14
    vtenext - Holistic CRM (CRM + BPM + AI)
    vtenext, holistic CRM is not for you if you are looking for: - a classic CRM separated by departments, a copy of the closed source CRM but open source - a solution that permit to you to avoid to pay any kind of support for the CRM of your company - a second choice CRM, cause you have not enough budget for the closed source. So please, save time and save energy. Don’t DOWLOAD VTE If you are looking for: - a new age of CRM applications - a solution that has the right balance between performance and user licenses - an holistic application that manage all the customer processes, including the internal customers Please go on and have fun. For any support feel free to contact us and to have more information regarding the installation procedure visit: http://usermanual.vtenext.com/books/installation-requirements/page/installation-requirements-vtenext-1812
    Downloads: 37 This Week
    Last Update:
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  • 15
    Zentyal, Linux Small Business Server

    Zentyal, Linux Small Business Server

    Zentyal is a Linux Small Business Server

    Zentyal Server is an easy to use and affordable Linux server, specially designed to meet the needs of small and medium businesses Thanks to Zentyal's Samba integration, Zentyal provides native compatibility with Microsoft Active Directory, allowing you to join Microsoft clients to a domain and manage them easily. Zentyal Server incorporates all the network services required in a small and medium business environment: * Directory & Domain Server with native compatibility with Microsoft Active Directory * Mail Server with ActiveSync and webmail * Gateway with firewall and proxy * Infrastructure Server with DNS/DHCP server, Certification Authority and Virtual Private Networks For more information and download, please access the project's home page.
    Downloads: 38 This Week
    Last Update:
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  • 16
    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
    Leader badge
    Downloads: 36 This Week
    Last Update:
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  • 17
    YetiForce CRM

    YetiForce CRM

    The most affordable CRM system according to Capterra

    Are you looking for a system to boost your sales? Do you want to improve your relationships with customers? Do you want to contribute to the fastest growing open source project on GitHub? You can use YetiForce completely free of charge. With YetiForce’s help you will manage 12 business processes in your company, no matter the size. The vast number of features available for free helped us win the first place in Capterra’s “Most Affordable CRM Software” ranking. YetiForce’s open source code was released under a very flexible and liberal license, which gathers a large and active community around the project. You too can contribute to it no matter if you are a professional programmer or software development is just your hobby. Download YetiForce for free and find out why you should become one of more than 250 000 people who already use it. Testing versions: GitStable: https://gitstable.yetiforce.com/ GitDeveloper: https://gitdeveloper.yetiforce.com/
    Downloads: 25 This Week
    Last Update:
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  • 18
    OpenDocMan

    OpenDocMan

    PHP Document Management System (DMS)

    OpenDocMan is a web based document management system (DMS) written in PHP designed to comply with ISO 17025 and OIE standard for document management. It features fine grained control of access to files, and automated install and upgrades.
    Downloads: 26 This Week
    Last Update:
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  • 19
    Componentes ACBr
    Paleta de Componentes para as Linguagens Delphi e Lazarus, compatível com Windows e Linux, que permite acesso direto a equipamentos de Automação Comercial, sem DLL's, interagindo com eles direto na porta serial.
    Downloads: 21 This Week
    Last Update:
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  • 20
    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: 16 This Week
    Last Update:
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  • 21
    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: 51 This Week
    Last Update:
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  • 22
    CryptPad
    CryptPad is an open-source, end-to-end encrypted collaborative office suite developed by XWiki SAS. It offers a privacy-focused alternative to mainstream cloud-based productivity tools, enabling users to create, edit, and share documents securely without compromising data privacy. All content is encrypted client-side, ensuring that only authorized users can access the information. CryptPad supports various applications, including rich text documents, spreadsheets, presentations, code editing, kanban boards, polls, and whiteboards, facilitating real-time collaboration among teams. Users can access CryptPad without creating an account, and the platform also offers self-hosting options for organizations seeking full control over their data.
    Downloads: 3 This Week
    Last Update:
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  • 23

    PHP Address Book

    Simple, web-based address & phone book

    Simple, web-based address & phone book, contact manager, organizer. Groups, addresses, e-Mails, phone numbers & birthdays. vCards, LDIF, Excel, iPhone, Gmail & Google-Maps supported. PHP / MySQL based.
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    Downloads: 13 This Week
    Last Update:
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  • 24

    oreka

    Enterprise telephony recording and retrieval system

    Enterprise telephony recording and retrieval system with web based user interface. The project currently supports recording voice from VoIP SIP, Cisco Skinny (aka SCCP), raw RTP and audio sound device and runs on multiple operating systems and database systems. It can record audio from most PBX and telephony systems such as BroadWorks, Metaswitch, Asterisk, FreeSwitch, OpenSIPS, Avaya, Nortel, Mitel, Siemens, Cisco Call Manager, Cosmocom, NEC, etc... It is amongst others being used in Call Centers and Contact Centers for Quality monitoring (QM) purposes.
    Downloads: 14 This Week
    Last Update:
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  • 25
    Simple Groupware is a complete open source enterprise application offering email, calendaring, contacts, tasks, document management with WebDAV, synchronization with cell phones and Outlook over SyncML, full-text search and many more.
    Downloads: 16 This Week
    Last Update:
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