Teamgate CRM - Powerful CRM without the Salesforce Price tag.
Vtenext - Vtenext is a platform that allows you to tackle CRM processes and customers with great ease.
Sirius - An open-source clone of Siri from UMICH
ZEKI CRM - ZEKI CRM is a full-fledged and multi-features solution that enables businesses to fulfill all their needs in a single place.
QuotaPath - Calculate commission and quota attainment easily, for free
Sales Creatio - Out-of-the-box processes to close more deals