Zoho Invoice - 100% free online invoicing software for small businesses.
Instacap - Screen capture, annotation & visual feedback tool for web pages and pdfs
FreshBooks - The ideal accounting software for small business owners.
Smile.io - Reward programs for online businesses
Invoice Ninja - Invoice Ninja is a free, open-source solution for invoicing and billing customers.
Annex Cloud - Reward customers for completing traditional actions such as purchasing, as well as for taking...