InsightSquared - #1 for Salesforce.com Pipeline forecasting, profitability analysis, activity tracking: all the small business intelligence you need. Works using CRM data and automatic syncing.

DialogTech - DialogTech is an end-to-end call attribution and conversion platform.

Aviso - Aviso provides predictive analytics software to help sales organizations optimize their performance and exceed revenue goals using machine learning algorithms and portfolio management techniques.

Invoca - Call tracking & analytics software

Sidekick by Hubspot - Customer insight integrated with your email tools.

CallTrackingMetrics - Know who is calling and how they found you. Maximize the return on your advertising.