vCita - Online client engagement solution, convert website visitors to clients, free customizable contact form, free online appointment scheduler.
Software Product Management Stack - Resources & tools to help you manage your software product
Fig Booking Software - Your all-in-one service business management tool
The Product Management guide - A book on how to create and ship products that people love
Eazitron - Simple business management software suite for SMEs
Product Management Exercises - A repository of product manager job interview exercises