Invoice Ninja is a free, open-source solution for invoicing & billing customers. With Invoice Ninja, users can easily create and send professional invoices from any internet-enabled device. Clients can print invoices or download them as pdf files as well as pay online from within the system.
Act! 365 enables you to manage your contact information and activity for marketing and customer service. Affordable and easy to use, Act! 365 helps individuals, small businesses and sales teams organize customer details, send emails, and drive sales results.
PieSync is easy to use and helps you build your business by increasing productivity. Our two-way contact integration will decrease data errors and ensure that you and your team will have access to the most up to date customer information.