FileProInfo - It's All About Files, Software, Online Tools - 100% Free
CiviCRM - A Constituent relationship management for the Civic Sector
File-Extensions.org - Large computer file extension library with detailed explanation of each file type with links to download free or associated software programs.
EspoCRM - EspoCRM is open source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type.
GroupDocs - GroupDocs is a web-based service for online document sharing, collaboration and management.
Pipeliner CRM - Pipeliner CRM empowers small to medium-sized sales teams to close more deals and lower risk. Implementation and training are a breeze. Mac & Windows.