The 2.1.1 version of RapidoSerial for Mac was available as a free download on our website. Our antivirus analysis shows that this Mac download is malware free. The actual developer of this free Mac application is app4mac. RapidoSerial for Mac relates to System Tools.
From the developer:
RapidoSerial is an easy to use database software that allows you to quickly build a permanent record of your applications and their related licenses. With RapidoSerial, you can backup important information such as serial numbers, software information, vendor information, license files and much more. RapidoSerial was designed to be used by all kinds of people.
You may want to check out more Mac applications, such as Secrets | Password Manager, which might be related to RapidoSerial.