I need a online message system like upwork messages.
It allow thousands of simultaneously users chat online, send attachments, send email notification, and allow users directly reply email.
Our website is php based e-commerce site(a very less used framework: WeBid)
Open sources scripts are preferred.
6 pekerja bebas membida secara purata $13/jam untuk pekerjaan ini
.....if we fail to deliver the good quality work we will refund the full amount......we always work for client satisfaction with 24x7 support time and cost is negotiable