Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
SourceForge - The Complete Open-Source and Business Software Platform.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
openDesktop.org - The website openDesktop.
Copper - Copper (formerly ProsperWorks) is easy-to-use customer relationship management for small businesses. Capture contacts and sales leads direct from Gmail with our simple CRM.
OSOR - OSOR is the Open Source Observatory, a project to provide a framework for developing and executing autonomous observations.