ONLYOFFICE Desktop Editors - An office suite that combines text, spreadsheet and presentation editors allowing to create, view and edit local documents

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ONLYOFFICE Desktop Editors is a free and open source office suite comprises text documents, spreadsheets and presentations allowing to create, view and edit documents of any size and complexity, to easily switch to the online mode for real-time co-editing and collaboration. Features as reviewing, commenting and chat are available as well. Deal with multiple files within one and the same window thanks to the tab-based user interface

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Feng Office - A Collaboration Platform and online office

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Feng Office is a web based collaboration platform. It helps to manage your projects and business services, Collaborate with your team and your customers, Organize and share documents and files. Feng Office allows businesses to manage project tasks, billing, documents, communication with co-workers, customers and vendors, schedule meetings and events, and share every kind of electronic information.

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CommunityServer - Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator

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ONLYOFFICE Community Server is a free open source collaborative system developed to manage documents, projects, customer relationship and email correspondence, all in one place.To compile source, follow this instruction.

Gnome Office - office suite for GNOME

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Gnome Office consist of bunch of application such as Word, Speadsheet, Presentation, Graphics and Database.

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Calligra-suite - a continuation of KOffice

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Calligra-suite is a continuation of KOffice. The new name reflects the wider value of the KOffice technology platform beyond just desktop office applications. Currently all applications except Calligra Words will be maintained by their respective KOffice developers.

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WebSync - Document editing tool similar to Google Drive or Microsoft Skydrive

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WebSync is a document editing tool similar to Google Drive or Microsoft Skydrive. A limitation of Google Drive is not having a note taking application and a reason WebSync was created. WebSync makes up for this by providing a OneNote-esqe Notebook file type. It is a self hostable document editing tool. It has real time collaborative editing built in.

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KOffice - office suite for KDE

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KOffice consists of several applications that offer a specialized interface for a certain task to a generic set of content components. Its office suite includes word processing, spreadsheets, presentations, graphics, databases, project planning.

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OpenOffice - leading open-source office software suite

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OpenOffice is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more. It is available in many languages and works on all common computers. It stores all your data in an international open standard format and can also read and write files from other common office software packages.

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LibreOffice - The Document foundation

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LibreOffice is the free power-packed Open Source personal productivity suite for Windows, Macintosh and Linux. LibreOffice is the perfect choice for home users, businesses, government and other organizations. It's native file format is the ISO standardized ODF (Open Document Format), but LibreOffice can open and save Microsoft Word, PowerPoint and Excel files, as well as many other formats, bringing you the widest-available compatibility with other products.

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Joeffice - Office Written in Java

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Joeffice is the first open source office suite written in Java. Its features include Docking system. Visualize several documents in the same window, It can have a lot of documents open at the same time and easily switch from one to another. It works with Microsoft document formats (docx, xslx, pptx). It can get data through web services (RMI, SOAP, REST).

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Apache OpenOffice

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Apache OpenOffice, the Free and Open Source Productivity Suite

NeoOffice - Office for Mac

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NeoOffice is a full-featured set of office applications including word processing, spreadsheet, presentation and graphics programs for Mac OS X. It is created by forking OpenOffice and added Mac specific features to it. NeoOffice Mobile application is available for Android devices, iPhone, iPad, and iPod touch.

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Church CRM Suite

•    ASPNET

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The Congregations Relationship management Suite is a suite of tools designed to provide web based services and organizational tools geared toward online Congregation and Church resource management and social interaction.

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mycollab - An open source, free, high performance, stable and secure Java Application Business Platform of Project Management, CRM and Document

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MyCollab is the free and open source collaboration tools, it has three existing modules: Project Management, CRM and Document Management. Intuitive UI, rich features, high performance and stable are the advantages compare with various popular tools in the market such as Redmine, Bugzilla, Mantis etc. This open source is included into a trusted commercial product that is deployed on hundreds of companies' servers. MyCollab does work well on both desktop and mobile devices.

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eyeOS - Cloud Computing Operating System

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eyeOS is a disruptive desktop entirely usable from a web browser. eyeOS as a RIA (Rich Internet Application Framework). It has been completely developed with open technology and widely accepted standards such as PHP, MySQL, JavaScript, Qooxdoo, log4php, PHPUnit, OpenOffice and others, enabling the system to function on a common web server without any modifications, and using any standard browser without any additional plug-ins installed.

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Protocol plugin for Office 365/Lync/OCS

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Please make sure to read this page: http://sourceforge.net/p/sipe/wiki/Frequently%20Asked%20Questions/ A third-party Pidgin/Adium/Miranda/Telepathy plugin for the extended version of SIP/SIMPLE used by various products: * Microsoft Office 365 * Microsoft Business Productivity Online Suite (BPOS) * Microsoft Lync Server * Microsoft Office Communications Server (OCS 2007/2007 R2) * Microsoft Live Communications Server (LCS 2003/2005) * Reuters Messaging

Zimbra - Email and Collaboration Suite

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Zimbra is the most capable open source email and collaboration suite available today. It provides support for Email, Shared calendar, Document management, Pop3, Address book and lot more. Mails could be tagged and search support is also provided. Zimbra is considered as an alternative to Microsoft Exchange Server.

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Open PaaS - Enterprise Social Network

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OpenPaaS is your next collaboration platform, for enterprises & organizations. It provides your own private and digital workplace. Its feature include AI powered emails, Secure file sharing, Video conferencing, Office suite, Calendar, Community, Team channels. It is good alternative to MS365 and Google Suite.

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Virtual Office - Document Mangament

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Virtual Office - Document Mangament System is to computerize all the hard copies of documents in any office and to automate the document management process. If you are an Asp.Net/C# developer you welcome to contribute.

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SharePoint CRM

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Free CRM / Project Management Site template for both SharePoint 2010 Enterprise and Office 365 E tenants

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