CUBIC : Columbia University Bioinformatics Center

PredictNLS : Prediction of nuclear localization signals (NLS's) and database of NLS motifs.
Genomes Online : List of nuclear and DNA binding proteins in genomes.
SignalP : Prediction of signal peptides and their cleavage sites.
TargetP : Prediction of N-terminal sorting signals.
PSORT : Prediction of protein sorting signals and localization sites in amino acid sequences.
WOLF PSORT : Extension to PSORTII which predicts localization based on sorting signal motifs and correlative sequence features such as amino acid content.
PSORT B : Subcellular localization prediction for bacterial proteins.