Databases:
- Spectral Database for Organic Compounds
 - CAS – journal abbreviations
 - Samara Carbon Allotrope Database
 - CSD – Cambridge Structural Database structure access page
 
Chemistry Tools:
- Chemistry Reference Resolver
 - ENTOS – online modeling tool free for academics
 - Fitting Titration Data
 - IUPAC Name generator by ChemDoodle
 
General Chemistry:
- Chemistry is Not a Voodoo
 - SuperscienceGirl – chemistry conference list, character maps, chemical vendor search, and other interestig stuff
 - The Schlenk Line Survival Guide
 - Chemistry Views ‘How to…’
 - NMR Challange UOChB Prague
 
Writing: