Here is a list of all modules with brief descriptions:

constants
errioipsl_psmile
grids
iounits
kinds_mod
mathelp_psmile
memoir
mod_anais
mod_analysis
mod_calendar
mod_clim
mod_clim_def
mod_coast
mod_comclim
mod_comprism_proto
mod_experiment
mod_extrapol
mod_gauss
mod_gsip
mod_gsip_model
mod_hardware
mod_kinds_model
mod_kinds_mpp
mod_kinds_oasis
mod_label
mod_memory
mod_nproc
mod_parallel
mod_parameter
mod_pipe
mod_printing
mod_prism_def_partition_proto
mod_prism_get_comm
mod_prism_get_proto
mod_prism_grids_writing
mod_prism_proto
mod_prism_put_proto
mod_psmile_date_and_time
mod_psmile_io
mod_psmile_io_interfaces
mod_rainbow
mod_scrip
mod_sipc
mod_smooth
mod_string
mod_timestep
mod_unit
mod_unitncdf
mpp_domains_mod_oa
mpp_io_mod_oa
mpp_mod_oa
remap_bicubic
remap_bicubic_reduced
remap_bilinear
remap_bilinear_reduced
remap_gaussian_weight
remap_write
rotations
stringop_psmile
timers
vector