AviAddXSub 9.9 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. AviAddXSub lies within Multimedia Tools, more precisely Editors & Converters.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. Commonly, this program's installer has the following filename: AVIAddXSubs.exe. The actual developer of the free program is Calcitapp. The most popular versions of the tool are 9.9 and 1.0.
From the developer:
AVIAddXSubs is a simple to use, free program to subtitle videos converting the original srt files you may have. Its services are useful in cases your hardware player is not able to show the subtitles directly from srt or even if it does the result is not satisfactory. Using AVIAddXSubs and converting the srt you have a variety of options to configure the subtitles as regards font, font size, color, outline, position, etc.
You may want to check out more software, such as ABCedit, Hit-Recorder or Wondershare PPT to iPod, which might be similar to AviAddXSub.