What are some alternatives?
When comparing Invoice Ninja and Chronify, you can also consider the following products
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
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.
InvoicePlane - Free and open source invoicing application to host on your own server.
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.
FreshBooks - The ideal accounting software for small business owners.
ManicTime - Track your computer usage and use collected data to accurately tag time.