You could have downloaded OTrader 4.2.5 from our software library for free. The most popular versions of the program are 4.2 and 4.1. The actual developer of the program is OTrader Software. OTrader is categorized as Business Tools. The program's installer file is commonly found as OTrader.exe.
From the developer:
OTrader is a streamlined, easy-to-use portfolio management tool for stock, options, warrant, future and CFD traders. The new features in OTrader 4.2 allow you to go away beyond your standard excel spread sheets by giving you advanced reporting and trade analysis.
You may want to check out more software, such as CSI Unfair Advantage, which might be related to OTrader.