Química
- arXiv.org – Cornell University Library
- Biochemistry: An introduction – Read Online
- Chemistry Open Educational Resources – Middle Georgia State University
- Chemistry Resources – Wisc Online
- EDP Open – global scientific community
- Elements and Atoms: Case Studies in the Development of Chemistry – Read Online
- General Chemistry Interactive Simulations
- General Chemistry – WikiBooks
- Intech – Chemistry
- Openstax – Chemistry Resources
- The PubChem Project
- WebSpectra – University of California – Los Angeles
- Chemistry LibreTexts Library
- InTech Open – Chemistry
- Learn Chemistry – Enhancing Learning and Teaching
- Natural Precedings – Pre-Publication Research and Preliminary Findings
- PHET Interactive Simulations – Chemistry
- ScienceOpen – Research+Publishing Network
- ChemCollective – Online Resources for Teaching and Learning Chemistry
