GroupOffice vs. Teamwork.com

GroupOffice is an open-source groupware and CRM platform for enterprises and the public sector. It’s created and maintained by the Dutch company Intermesh. You can self-host the software or run it on Intermesh’s secure cloud infrastructure, where your data remains fully private. Collaborate with integrated file sharing, video conferencing, E-mail, calendar and contact management, project and time tracking, quoting and invoicing, support ticketing, and the Collabora Online office suite.

Combining powerful project management and easily streamlined operations - we’re the only platform built for managing client projects, profitably. Deliver work on time and on budget, eliminate client chaos, and understand profitability, all in one platform. Headquartered in Cork, Ireland and founded by a team who have run an agency before, Teamwork.com has more than 20,000 customers around the world with a global team of over 350 employees. Learn more at teamwork.com.