Syncing Invoice Ninja and Mixmax is currently on our roadmap
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.
Mixmax is the next generation of email that improves your team's communication for unparalleled results. The all-in one platform gives you one-click scheduling, templates, sequences (mail merge), Salesforce integration, team sharing, accurate reporting and much more right inside your inbox. Let Mixmax do all of the heavy lifting, so your team can focus on doing their job.
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.