eSciDoc is an eResearch environment developed specifically for use by scientific and scholarly communities to collaborate globally and interdisciplinary. It comprises a set of services and solutions that enable innovative eScience scenarios: Scientists, librarians, and software developers can work with research data, create novel forms of publications, and establish new ways of scientific and scholarly communication. more...
WiZiQ is a place where you can teach and learn using an easy-to-use Virtual Classroom. You are welcome to give private and public live online sessions, teach for free or earn money teaching. As a learner you can attend public sessions on various topics from academics to anything under the sun.
Naboj is a dynamical website that lets you review online scientific articles. Right now the only articles that are available for review are those that have been posted at Los Alamos arXiv.