HKL Res. http://www.hkl-xray.com/
CCP4 http://www.ccp4.ac.uk/
Coot http://www.ysbl.york.ac.uk/~emsley/coot/
Pymol http://pymol.sourceforge.net/
ARP/wARP http://www.embl-hamburg.de/ARP/
SHELX http://shelx.uni-ac.gwdg.de/SHELX/
CCP4MG
http://www.ysbl.york.ac.uk/~ccp4mg/
APBS http://apbs.sourceforge.net/
SHARP http://www.globalphasing.com/sharp/
SOLVE/RESOLVE http://www.solve.lanl.gov/index.html
Phenix http://www.phenix-online.org/
CNS http://cns.csb.yale.edu/v1.2/
BR's Crystallographic Web Applets - http://ruppweb.dyndns.org/Xray/comp/compserv.htm
Autodep PDB Deposition Tool (EBI) - http://www.ebi.ac.uk/msd-srv/autodep4/index.jsp
pdb_extract Online - http://pdb-extract.rcsb.org/
CS ChemFinder - http://www.chemfinder.com/
ConSurf Server - http://consurf.tau.ac.il/
Center for Biological Sequence Analysis - http://www.cbs.dtu.dk/index.shtml
Open WetWare - http://openwetware.org/wiki/Main_Page
Protocol Online - http://www.protocol-online.org/
Current Protocols in Protein Science - http://www.mrw.interscience.wiley.com/cp/cpps/titles/A-Z.html
Current Protocols in Bioinformatics - http://www.mrw.interscience.wiley.com/cp/cpbi/titles/A-Z.html
Current Protocols in Molecular Biology - http://www.mrw.interscience.wiley.com/cp/cpmb/titles/A-Z.html
The Protein Data Bank - http://www.pdb.org/
BLAST - http://www.ncbi.nlm.nih.gov/BLAST/
NCBI - http://www.ncbi.nlm.nih.gov/
Kazusa DNA Res. Inst. - http://www.kazusa.or.jp/eng/index.html
Pubmed Medline - http://www.ncbi.nlm.nih.gov/PubMed/
Allen Brain Atlas - http://www.brainatlas.org/aba/
GENSAT - http://www.gensat.org/login.jsp
MEROPS - http://merops.sanger.ac.uk/