Research Portal
- SCIe — Web of Science SCI Expanded
- MathSciNet — AMS reference database
- Google Scholar — Google scholar search engine
- ScienceDirect — Elsevier Science Direct
- National Science Library — Library of Chinese Academy of Sciences
- Mendeley — Free online reference manager
- arXiv — Online e-prints archive
- CiteSeerX — PSU citation database for CS and IT
- OnePetro — Online library serving E&P industry
- MathGene — Mathematics genealogy
Programming and More
- BitBucket — BitBucket HG and Git Service
- GitHub — Git Hub
- SourceForge — Open-source software center
Other
- eScience Passport — CAS uniform ID
- ARP — AMSS ARP system
- NSFC — China National Science Foundation
- ISISN — Funding information system of NSFC
- CGPC — Central Government Procurement