Here is a list of all files with brief descriptions:

callback.h
callback_core.cpp
callback_core.h
carlsim.cpp
carlsim.h
carlsim_datastructures.h
carlsim_definitions.h
carlsim_log_definitions.h
connection_monitor.cpp
connection_monitor.h
connection_monitor_core.cpp
connection_monitor_core.h
cuda_version_control.h
error_code.h
group_monitor.cpp
group_monitor.h
group_monitor_core.cpp
group_monitor_core.h
interactive_spikegen.cpp
interactive_spikegen.h
linear_algebra.cpp
linear_algebra.h
neuron_monitor.cpp
neuron_monitor.h
neuron_monitor_core.cpp
neuron_monitor_core.h
periodic_spikegen.cpp
periodic_spikegen.h
poisson_rate.cpp
poisson_rate.h
pre_post_group_spikegen.cpp
pre_post_group_spikegen.h
print_snn_info.cpp
simple_weight_tuner.cpp
simple_weight_tuner.h
snn.h
snn_cpu_module.cpp
snn_datastructures.h
snn_definitions.h
snn_manager.cpp
spike_buffer.cpp
spike_buffer.h
spike_monitor.cpp
spike_monitor.h
spike_monitor_core.cpp
spike_monitor_core.h
spikegen_from_file.cpp
spikegen_from_file.h
spikegen_from_vector.cpp
spikegen_from_vector.h
user_errors.cpp
user_errors.h
visual_stimulus.cpp
visual_stimulus.h