Princeton Pulsar Group - Studies radio pulsars, researching into high precision timing, and the pulsar emission mechanism. Also searches for new pulsars. Information on pulsar and GRB physics.
Pulsar Group - Max-Planck-Institut für Radioastronomie - Conducting active research in high frequency pulsars, in particular: spectra, polarisation, and profiles; high-precision timing; and polarimetry of millisecond pulsars.
Pulsar Lab - Oberlin College - Current research on pulsar scintillation, IDL software help, educational links, and relevant explanations.