Online tool for determining excitation, emission and potential spill over when designing experiments.
BD's Fluorescence Spectrum Viewer
BD's Multicolour Spectral Guide
BioLegend's Spectra Analyzer
eBioscience's FluorPlan Spectra Viewer
Invitrogen's Fluorescence Spectra
Chroma Spectral Viewer
Fluorescent Proteins and their Spectral Properties - University of California, San Francisco, Imaging Centre