PlaySMS - Mobile Portal System (MPS)
- A flexible Web-based Mobile Portal System (MPS) that can perform various services such as an SMS gateway, personal messaging systems, corporate communications, mobile entertainment. Latest release is 0.9.3, 2008-05-20.
- A client/server gateway to the SMS protocol (short messages sent by mobile phones [GSM]). Latest release is 0.5b-3, 2006-10-02.