Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Odoo - An all-integrated business app suite to unleash your growth potential.
Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.
Insightly - Insightly is the easy, powerful and affordable online Customer Relationship & Project Management Software used by over 400,000 small businesses world wide
Cattr - Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux.
ERPNext - The ERP Software that helps you take full control of your business. ERPNext is both powerful and easy to use.