I have put a collection of my softwares to the public here.
Other softwares
Seulimeum is a free 1-D DC Resitivity modeling software. The software runs under windows operating system. Simply, by just copying the data into the text editor, and the program is ready to calculate the theoretical response of the given model. The figure below shows the screenshot of Seulimeum.
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GTool is a free integrated tool for geothermal project design based on important parameters only. The use of the software has been presented in the World Geothermal Congress in Bali 2010 by Dona Rosalina, et.al. The figure below shows the screenshot of GTool. The uniqueness of this tool is the integration from the resource assessment, the field development, to the economic exercise, all in one spot, with just few clicks.
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IRRSim is a free IRR Simulation, on the basis of MonteCarlo method. This console based application reads a text file containing the project parameters, then simulates the IRR and the cashflow. A paper discussing the program has been presented at the WGC Congress in Bali 2010 by Tony Gadhavi et.al. The figure below shows the screenshot of the application.
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ExpEc is a free Economic Exercise software, where a saving approach is used to fo exploration.