Ledger.py is a simple, command-line, double-entry accounting system. It reads transactions written in a simple format from a text file and produces summary reports as text or an excel spreadsheet.
wxGlade is a GUI builder for wxWidgets/wxPython. It can create Python, C++, Perl, Lisp and XRC output. Unpack the archive to a known location and maybe add it to the path. If you are familiar with git ...