1- Computational Chemistry Lists (CCL) https://server.ccl.net/chemistry/index.shtml
2- Basis Set Exchange: https://www.basissetexchange.org/
3- Test Jobs for Gaussian 03, Rev. B.3: https://www.cup.uni-muenchen.de/ch/compchem/testindex.html
4- The NIST Chemistry WebBook: https://webbook.nist.gov/
5- Gaussian 16: https://gaussian.com/
6- Chemcraft: http://chemcraftprog.com/index.html
7- TMPChem : https://www.youtube.com/user/tmpchem
8- Reddit: r/comp_chem: https://www.reddit.com/r/comp_chem/
9- ChemCompute: A free web-based computational chemistry platform for undergraduate students. https://chemcompute.org/
10- Gaussian Common Errors and Solutions: a) https://wongzit.github.io/gaussian-common-errors-and-solutions/
b) https://docs.alliancecan.ca/wiki/Gaussian_error_messages
11- Terminal Emulators
Mac and Linux both come with a Terminal application, however, some users may prefer to use a different emulator instead. Windows users must use an emulator, as there is no native Terminal.
12- Free Software (at least for academic use)
13- Directory of Computer Aided Drug Design tools
14- IUPAC Nomenclature and Terminology