Salesforce - CRM software solutions and enterprise cloud computing from salesforce.com, the leader in CRM and platform as a service.

Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.

ManageEngine SupportCenter Plus - SupportCenter Plus is a web-based customer support software that lets organizations effectively manage customer tickets, their account & contact information, the service contracts and in the process providing a superior customer experience.

LiveCode Platform - It is Both Under the GPL and it is also Proprietary if using the GPL version the software you make...

SugarCRM - SugarCRM enables businesses to create extraordinary customer relationships with the most innovative and affordable CRM solution in the market.

Redis - Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.