VisualMaths is a 2D curve drawing program (3D and dynamic curves not yet available). User defines objects (functions,variables,arrays) and assign each object to a curve and an axis. VisualMaths also provides some graphic solvers : minima, maxima.
(Janat : Just Another Non-Artistic Tool) is a simple and user-friendly vectorial drawing software written in Java. It's particularity is to stores data inside a SQL database. This facts gives it the ability to run on a website, or store data on a remote