SplashCal 4.0 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. We recommend checking the downloaded files with any free antivirus. SplashCal lies within Communication Tools, more precisely Instant messaging. The actual developer of the free software is SplashCal.
From the developer:
SplashCal introduces to the Internet community worldwide innovative voice and advanced real time communication services over the public Internet.
SplashCal offers the leading platform for international VoIP combining easy-to-use functions with comprehensive features and low rates.
You may want to check out more software, such as Mojicon, NetVoiz or LAN Chat, which might be related to SplashCal.