My tools

APSIM Simulation Toolkit is a graphical tool developed for batch APSIM NG simulations. It is mainly used to batch-generate and run APSIM models, sweep parameters, switch management scenarios, and aggregate and compare results. It runs directly on Windows and suits crop simulation research on maize, wheat and other crops.

PDF Watermark Tool is a Python-based batch PDF watermarking tool with a graphical interface. It supports text watermarks, image watermarks, batch processing of folders and automatic naming of output files, suited to lab reports, internal reports and organising PDF documents.

VBA Certificate Generator is a Windows GUI tool that generates self-signed code signing certificates for Excel and Word VBA macro projects. It suits signing VBA tools on a personal computer, trusted distribution of internal macro files and signing macro projects during testing.