Microsoft Office 365!

ONLYOFFICE Desktop Editors is an open-source office suite that combines text, spreadsheet and presentation editors, distributed under AGPL license v3. You can download and use them for home, government, educational and commercial purposes without restrictions.Features:· One pack - three editors - multiple features - Create, view and edit text documents, spreadsheets and presentations of any size and complexity. Deal with multiple files within one and the same window thanks to the tab-based user interface.· Compatibility with MS Office and OpenDocument formats - Work with most popular formats: DOC, DOCX, ODT, RTF, TXT, PDF, HTML, EPUB, XPS, DjVu, XLS, XLSX, ODS, CSV, PPT, PPTX, ODP.· Quick access to broad collaborating capabilities - Connect to server and collaborate on documents with your team: co-edit in real time, review, comment and interact using chat.· Third party add-ons - Create templates, insert video from YouTube and do even more. Extend ONLYOFFICE functionality with integrated add-ons or create your own one.· Support for all popular platforms - Windows 10, 8.1, 8, 7, XP, 2003, Vista (both 32-bit and 64-bit), Debian, Ubuntu and derivatives, RPM-based Linux distribution, Mac OS 10.10 or higher.· Updates and technical support - Free regular updates. Fast and professional assistance for all technical and functional issues via Forum. »

Open365 is an Open Source, self-hosted file sync and cloud apps platform including a full LibreOffice Online. You can also access your email, calendar and contacts using KDE Kontact. Everything is accessible from a simple webpage using any HTML5 browser.

Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to us, and hope that it is important to you thereafter.

Kolab Now, formerly MyKolab, is a fully featured secure collaboration and communication service that is easy to use on any device.

With Samepage, you can put all your project information on one page and collaborate with your team in real time. Samepage brings together an entire suite of project management tools, awesome communication features, and built-in integration with the apps you use. Everything you need to move projects forward, without leaving Samepage.

Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.

MDaemon Messaging Server software for Windows can be deployed in virtual, hosted cloud or private on-premise environments. It is used by businesses in over 90 countries and over 25 languages worldwide.

Kerio Connect makes email, calendars, contacts and task management easy and affordable. With Kerio Connect, you have immediate, secure access to your communications anytime, anywhere, on any device - without complexity or expensive overhead.

Axigen is a premium, all-in-one email, calendaring and collaboration platform, based on an innovative, proprietary technology, providing unmatched manageability for system administrators. Integrating all modules in a robust messaging solution, Axigen is developed for demanding users, from small businesses to large service providers.

Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.

OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.

Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.

SpinOffice is the only CRM software application that saves you time. Stay connected with your friends and business contacts and save time by getting organized! Get your customers, prospects, mail, calendar, tasks and memos, documents, projects and archive in one central database. All your data is safely stored encrypted in the cloud!