Our website provides a free download of Cpt-log 4.1. The software belongs to Office Tools. The actual developer of the software is Geotech AB.
From the developer:
User friendly software which logs point resistance (qc), sleeve friction (fs), pore pressure (u),tilt angle, electric conductivity, temperature, penetration speed and dissipation test in the "Penetration Module". It furthermore calculates in semi-real time the friction ratio Rf. On the screen up to four graphs can be displayed. The choice of displayed channels can be changed during a sounding.
You may want to check out more software, such as McDalton Professional Edition, LoanExpert Plus or JavaFoil, which might be similar to Cpt-log.