In OneDesk you can choose the interface language separately at the company, user, or customer level.

OneDesk combines Help Desk & Project Management software into a single application.

OneDesk also includes customer-facing applications: real-time chat, customizable webforms, and a customer portal. These integrated applications allow you to serve your customers while conveniently working on your projects in one platform.

Request a free demo and register for a 14-day trial at http://www.onedesk.com