LCV: Light Curve Viewer: a Windows/Linux application for viewing and analysing the variable stars' light curves.
Max's FITS Toolkit formerly knows as FITS Command-line Utilities on GitHub
VStarModelPlot — A supplementary tool for VStar astronomical software to plot model equations (R-based)
AAVSO VStar on GitHub (one of the contributors)
mp_astro_killing_green.py: a GIMP plug-in: an implementation of Subtractive Chromatic Noise Reduction (SCNR) from PixInsight.