Open Source Windows Communications Software
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Communications Software for Windows
View 1331 business solutionsBrowse free open source Communications software and projects for Windows below. Use the toggles on the left to filter open source Communications software by OS, license, language, programming language, and project status.
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PRTG Catches Network Issues Before They Cause DowntimeReactive troubleshooting usually means hearing about a problem from frustrated users, not your monitoring tool. PRTG sets threshold-based alerts across devices, servers and applications, notifying your team by email, SMS or push the moment a metric crosses a set limit. That means catching a failing disk or overloaded server before it becomes an outage and getting time back from firefighting. Start a free trial and set your first alerts today.
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DavMail is a POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 gateway allowing users to use any mail/calendar client (e.g. Thunderbird with Lightning or Apple iCal) with an Exchange server. DavMail now includes an LDAP gateway to Exchange global address book and user personal contacts to allow recipient address completion in the mail compose window and full calendar support with attendee free busy display. The main goal of DavMail is to provide standard compliant protocols in front of proprietary Exchange. This means LDAP for address book search, SMTP to send messages, IMAP to browse messages on the server in any folder, POP to retrieve inbox messages only, CalDAV for calendar support and CardDAV for contact synchronization.
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BeeBEEP (Free Office Messenger)
You can message and share files inside your intranet without a server.
BeeBEEP is a free, open-source, peer-to-peer (P2P) desktop LAN chat and office messenger built with end-to-end encryption (Rijndael Algorithm, AES). Designed for local area networks, this free cross-platform messaging app enables instant messaging, group chat, and secure file sharing across your office, home, or intranet—completely serverless and offline. Whether you need a private LAN chat application for your team or a secure office communicator over VPN, BeeBEEP operates without central servers or cloud dependencies. It is a free, serverless chat solution for Windows, Linux, and macOS where privacy, data security, and local network communication are essential. -
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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. -
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Outlook CalDav Synchronizer
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
Free Outlook Plugin, which synchronizes events, tasks and contacts between Outlook and Google, SOGo, NextCloud, Horde or any other CalDAV or CardDAV server. Supported Outlook versions are 2021, 2019, 2016, 2013, 2010 and 2007 and Office 365 for Desktop. This project was initially developed as a master thesis project at the University of Applied Sciences Technikum Wien, Software Engineering Degree program. Outlook CalDav Synchronizer is Free and Open-Source Software (FOSS), still you can support the project by donating on Sourceforge or directly within the About dialog of our Plugin. Contact us for enterprise support at https://caldavsynchronizer.org/enterprise/contact -
Ship Agents FasterGemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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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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winPenPack
The portable software collection
winPenPack is a project that aims at collecting the most frequently used and most popular open source applications made portable, so that they can be executed without installation from any USB Flash Drive or Hard Disk. The winPenPack suites offer a wide range of portable applications like office tools, internet tools, multimedia tools, development tools, security applications and other frequently used utilities. Everything you need, completely free, open source and portable! -
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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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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, Polish -
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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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Custom VMs From 1 to 96 vCPUs With 99.95% UptimeLive migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
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OpenKM Document Management - DMS
Document Management System and Content Management System
OpenKM Community Edition is a free Document Management System (DMS) that helps businesses control the production, storage, management and distribution of electronic documents, boosting effectiveness and productivity. It integrates document management, collaboration and advanced search into one easy-to-use solution, including administration tools for user roles, access control, security levels, activity logs and automation setup. With OpenKM Community Edition you can: Collect information from any digital source. Collaborate with colleagues on documents and projects. Capitalize on accumulated knowledge by locating documents and information sources. Control business processes with an embedded workflow engine. Automate tasks. For a complete feature list visit: http://goo.gl/au8cQy -
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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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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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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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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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THIS PROJECT HAS MOVED TO Savannah. Visit our Savannah project page at http://savannah.gnu.org/projects/phpgroupware/ Bug tracking, patch submissions, and forums are still on this page for historic record
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FMA is a SMS Manager, Mobile Phone Monitor, Remote Control Agent, Phonebook Manager, Organizer, Fun and much more; whatever you want it to be, it is whatever a mobile phone should have :-) (Currently based on Sony Ericsson features set).
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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. -
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vtenext - Legacy Project vtenext, the open-source CRM and Business Process Management platform based on PHP 7, is being discontinued and replaced by vtezero, the next-generation AI-native platform built on PHP 8. The legacy vtenext source code will be removed from the public repository. This project page will remain available for informational purposes only. vtezero represents the evolution of the vtenext ecosystem, introducing AI agent governance, business process orchestration, enterprise integration, and human-in-the-loop supervision. For new projects, future development, and updates, please visit the new official GitHub project: https://github.com/vtezero Thank you to the vtenext community, developers, contributors, and partners for their support over the years. The future of vtenext continues with vtezero.
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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.
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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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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. -
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Roundcube client-side filters plugin
Roundcube plugin to create client-side e-mail filtering.
Roundcube Plugin that adds a new tab to the settings section to create simple client-side e-mail filtering. -
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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. -
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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. -
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Owl is a multi user document repository (knowledgebase) , document manager and/or document management system (DMS) written in PHP for publishing of files/documents onto the web for a corporation, small business, group of people, or just for yourself. Final Code Hosted on GitHub
