swiftSMS 4.01.27 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. SwiftSMS relates to Communication Tools. The most popular versions of the swiftSMS are 4.1, 4.0 and 3.0.
We recommend checking the downloaded files with any free antivirus. The most frequent installer filenames for the program include: SwiftSMS-CM.exe, SwiftSMS.exe and swiftSMS40.exe etc. This PC software can be installed on Windows XP/7/8 environment, 32-bit version. This software is an intellectual property of IG Logix Softech Pvt. Ltd.
From the developer:
swiftSMS™ is a click-and-deploy SMS Gateway & Application Server software that facilitates and accelerates deployment of any kind of SMS application. It enables cost-efficient, fast and reliable message transmission via any GSM network. swiftSMS™ is flexible, scalable, user friendly and value for money product which saves time in terms of understanding and implementing mobile messaging technology.
You may want to check out more software, such as WinPopup Speak, NetVoiz or LAN Chat, which might be related to swiftSMS.