* [Anchor](http://theanchorapp.com/) - Anchor is an invoicing system that integrates with Stripe and Paypal. Includes features such as: reporting, dashboard and no client limit. ([Demo](http://theanchorapp.com/demo/admin-login)) `PHP`
* [FusionInvoice](https://www.fusioninvoice.com) `⊘ Proprietary` - FusionInvoice is an invoicing system for freelancers and small businesses. `PHP`
* [Manager](http://manager.io/server) `⊘ Proprietary` - Online accounting software for small businesses. `Mono`
* [Pancake](http://pancakeapp.com/) `⊘ Proprietary` - Online invoicing, project management, time tracking and proposal software. `PHP`