Confluence is a collaboration software program.

Kaggle is an online community of data scientists and machine learners.

DebateGraph offers a way to learn, deliberate and decide on complex issues.

Online collaborative writing, citing, hosting of data and publishing.

PatientsLikeMe is a for profit patient network and real-time research platform

Open source software that facilitates open collaboration in science research.

Search Engine for Scientific Publications

The easy to use, online, collaborative LaTeX editor.

Open and reproducible research using shared data and reusable software.

WorldCat is the world's largest network of library content and services.