JS Kid Pix 1.0.2021 - Kid Pix 1.0 remade in JS/HTML
AnyLogic - AnyLogic has changed simulation modeling and expanded its application into complex business environments. The unmatched flexibility of multimethod modeling allows users to capture the complexity of virtually any system, at any level of detail.
Pixilart - A drawing app for delightfully retro pixel art
Simulation of Urban MObility (SUMO) - "Simulation of Urban MObility" (SUMO) is an open source, highly portable, microscopic and continuous road traffic simulation package designed to handle large road networks. SUMO is licensed under the Eclipse Public License V2.
KiddoPaint - MS Paint in your browser (with emojis 💃😽🎨)
MATSim - MATSim is an open-source framework for implementing large-scale agent-based transport simulations.