Blender is a free 3D animation studio. It includes tools for modeling, sculpting, texturing (painting, node-based shader materials, or UV mapped), UV mapping, rigging and constraints, weight painting, particle systems, simulation (fluids, physics, and soft body dynamics and an external crowd simulator), rendering, node-based compositing, and non linear video editing, as well as an integrated game engine for real-time interactive 3D, and game creation and playback with cross-platform compatibility.
WallCalendar is a set of LaTeX wall calendar templates and utilities for managing them. Users can customize templates or create their own. It includes a template that produces Interior and Covers, which are ready to be uploaded to lulu.com for printing on demand. It also contains a calendar Web site example (generated using the txt2site utility) that integrates with a paper calendar via QR codes.