PubMed
http://www.ncbi.nlm.nih.gov/sites/entrez?db=PubMed

Genome of T. brucei
http://www.genedb.org/

Proteome of T. brucei
http://www.trypsproteome.org/Default.aspx

George Cross Lab
http://tryps.rockefeller.edu/

Christine Clayton lab
http://www.zmbh.uni-heidelberg.de/Clayton/default.shtml

T. brucei maxicircles (L. Simpson)
http://dna.kdna.ucla.edu/trypanosome/files/tbmaxi.html

General BLAST (DNA or protein)
http://www.ebi.ac.uk/Tools/blastall/nucleotide.html
http://blast.ncbi.nlm.nih.gov/Blast.cgi

Multiple alignments
http://www.ebi.ac.uk/Tools/clustalw2/index.html

Reverse complement of sequences
http://www.bioinformatics.org/sms/rev_comp.html
http://www.ualberta.ca/~stothard/javascript/rev_comp.html

Many useful protein/DNA manipulation tools
http://www.expasy.ch/

Restriction enzymes cutter
http://tools.neb.com/NEBcutter2/index.php
http://pga.mgh.harvard.edu/web_apps/web_map/start

tRNAscan-SE Search Server 
http://lowelab.ucsc.edu/tRNAscan-SE/

TDR (tropical disease research section of WHO)
http://www.who.int/tdr/