Esmska

Features:

• Sending SMS to Vodafone, O2, T-mobile
• Runs on all common operating systems (Linux, Windows, Mac OS, etc.)
• Free, under the free AGPLv3 license
• Import contacts from foreign programs (DreamCom) and formats (vCard)
• Bulk messaging
• History of sent messages
• Operator plug-in system - easy addition of additional operator support directly by the user
• Very extensive options to change the appearance
• Many other planned features