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.

RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies

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.

JustCall - The Cloud Phone System of choice for modern sales and support teams. We help end clueless conversations by adding context to every call.

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

Dialpad - Switch is a cloud-based phone system built for Google Apps users.