PubMed.gov - PubMed comprises more than 29 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.

Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.

EasyBib - Automatic works cited and bibliography formatting for MLA, APA and Chicago/Turabian citation styles.

Clever - syncing between education applications for K-12 schools

Biohunter - Biohunter is a one-stop portal for literature search, batch-download PDFs and reference manager

Claroline - Claroline is a collaborative eLearning and eWorking platform.