Front is a customer operations platform built around a collaborative shared inbox, unifying email, chat, and other channels for customer-facing teams. It is one of the most highly-rated vendors researched (4.7/5 on G2 across 2,500 reviews), venture-backed (Sequoia, Threshold, Uncork Capital) with a reported valuation of roughly $1.7 billion, and holds SOC 2 Type II and ISO 27001 certifications.