What are some alternatives?
When comparing Invoice Ninja and InvoicePlane, 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.
FreshBooks - The ideal accounting software for small business owners.
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.
BILLmanager - BILLmanager is an all-in-one web hosting billing software. It provides billing automation, service provisioning, client portal & back office and support center.
Manta - Painless invoicing with stunning customizable templates.
Paymo - Paymo is a modern and intuitive work management solution for small businesses around the world.