PROSPER - Prosper is a pioneer of peer-to-peer (P2P) online lending in the United States.
Intercom on Product Management - The ultimate resource for aspiring product managers
MCS-rm - MCS-rm is a rental management software that manages and controls the efficiency & profitability of hire operation.
Product School - The global leader in product management training
ProdEval - At tcwsoftware.
The Product Management guide - A book on how to create and ship products that people love