Top 10 Open Source Collaboration Software
Open Source Collaborative Software is a type of computer program that facilitates the sharing of data between multiple computers. The majority of modern collaboration solutions are web-based and work directly in the browser without needing any additional standalone applications.
Top Open Source Collaboration Software:
TIKI
Tiki Wiki CMS Groupware | Tiki Wiki CMS Groupware. Tiki has been downloaded over a million times by businesses, governments, non-profits and individuals worldwide to take advantage of its flexibility and customizability to deliver a broad range of web applications.

TIKI
EXOPLATFORM
Open Source Collaboration Software Platform | eXo. eXo Platform, a digital collaboration platform for business portals and social intranets, provides collaborative solutions to enhance productivity and teamwork.

EXOPLATFORM
OPENPROJECT
OpenProject – web based project management software – free and open source. Leading open source project management software: requirements management – product roadmap planning – team collaboration – issue tracking – FREE DOWNLOAD.

OPENPROJECT
BITRIX24
Need free collaboration software? Bitrix24 is it. Available in cloud or on premise with 35+ free collaboration tools, Bitrix24 lets you discuss ideas, share files, create workgroups, set team tasks, chat individually or in groups, hold videoconferences and do much more.

BITRIX24
COLLABTIVE.O-DYN
Open Source Collaboration. Collabtive is web-based project management software. The project was started in November 2007. It is open source software and provides an alternative to proprietary tools like Basecamp. Collabtive is written in PHP and JavaScript.

COLLABTIVE.O-DYN
KOLAB
Kolab does all of this with 100% Free and open source software. It is developed in the open by a global community, with Kolab Systems serving as the project’s steward. Visit the resources section of this page to find out how you can be a part of this!

KOLAB
ORANGESCRUM
Open Source Project Collaboration Tool | Task Management Software. Orangescrum is the open source free project management and collaboration tool, helps you to manage projects, team, tasks at one place including time tracking, invoice generation and more.

ORANGESCRUM
EGROUPWARE
Groupware Software | Online Collaboration tools | Try it for free! Groupware software for online collaboration and organisation. EGroupware integrated cutting edge collaboration technologies to be used in high flexible and rich function enterprise environments. EGroupware is available on german hosting environment or On-Premises.

EGROUPWARE
TIBBR
Enterprise Social Network. Tibbr is the social network for work. We are a leading platform for enterprise-wide social networking to help connect people, discussions, apps, tasks, & content.

TIBBR
REDHAT
Red Hat is the world’s leading provider of open source solutions, using a community-powered approach to provide reliable and high-performing cloud, virtualization, storage, Linux, and middleware technologies. Red Hat also offers award-winning support, training, and consulting services. Red Hat is an S&P 500 company with more than 80 offices spanning the globe, empowering its customers’ businesses.

REDHAT
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