- American Society for Micribiology (with Embargo)
- Bentham Open Access
- Bio-Med Central
- ChemSpider
- Cochrane Library
- Copernicus Publications
- Current ScienceĀ
- DOAJ
- Free Medical Journals
- De Gruyter Reference Global
- High Wire Press ArchivesĀ
- Hindawi Corporation
- Indian Academy of Sciences (IAS)
- InTech Open Access
- J-Stage
- MathWorld
- MedIND
- PLoS
- Pub Med Central
- SabiNet
- Scholarly Exchange List
- Scientific Research Pub
- Friends Science Publishers
Free/Open Source Reference Managers and grammar check tool
Open Educational Resources