Trello is a collaboration tool that organizes your projects into boards. In one glance, Trello tells you what's being worked on, who's working on what, and where something is in a process.
Substance is a fully web-based document authoring and publishing platform. With Substance, writers, journalists, scientists and everyone else who's interested in publishing can use an open platform for writing and sharing articles.
The Mindquarry Collaboration Server is a set of well proven professional collaboration tools made easy to be usable for everyone. This enables you to streamline your work and become more efficient, productive and creative.
Huddle is a network of secure online spaces that combine powerful document, project & team tools with the simplicity of a social networking site. Huddle is ideal for brands, advertising, marketing, PR, design, legal & accountancy companies as well as free
an easy to use, web based, open source collaboration and project management tool. Set up an environment where you, your team and your clients can collaborate on active projects using a set of simple, functional tools. 100% free!
Mindomo is a versatile Web-based mind mapping tool, delivering the capabilities of desktop mind mapping software in a Web browser - with no complex software to install or maintain.
Wikia offers free MediaWiki hosting for your community to build a free content wiki-based website. Find out why you should use Wikia and request a new wiki in any language or see our list of wikis to visit an existing one.