开源的客户管理和订单系统
1.Domain Technologie Control
下载地址:http://www.gplhost.com/software-dtc_5download.html
截图地址:http://www.gplhost.com/software-dtc_2screenshots.html
2.Neobill 下载地址:http://www.neobill.net/
3.AgileBill 下载地址: https://github.com/tony-landis/agilebill/
4.citrusdb 下载地址:http://www.citrusdb.org/screenshots.html
5.netbill 下载地址:http://www.vessio.com/netbill/#features
6.argentuminvoice http://dev.argentuminvoice.com/projects/argentum/files