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.

Free-Invoice.co.za - Free Invoice Software | Free online tool that helps small businesses to generate free invoices and manage their contact list. It can be used as an alternative to expensive invoicing software and online invoicing applications

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.

Invoice.to - A simple & beautiful invoice generator with Stripe & Paypal

Cattr - Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux.

Invoice Template - Create beautiful looking invoices in seconds