Linux apps that run anywhere. Download an application, make it executable, and run! No need to install. Distribute your desktop Linux application in the AppImage format and win users running all common Linux distributions. Package once and run everywhere. Reach users on all major desktop distributions. http://appimage.org/
Blender provides a broad spectrum of modeling, texturing, lighting, animation and video post-processing functionality in one package. Through its open architecture, Blender provides cross-platform interoperability, extensibility, an incredibly small footprint, and a tightly integrated workflow. Blender is one of the most popular Open Source 3D graphics applications in the world. Aimed at media professionals and artists world-wide, Blender can be used to create 3D visualizations and still images, as well as broadcast- and cinema-quality videos, while the incorporation of a real-time 3D engine allows for the creation of 3D interactive content for stand-alone playback.
CAMotics is an Open-Source software which simulates 3-axis CNC milling or engraving. It is a fast, flexible and user friendly simulation software for the DIY and Open-Source community. Being able to simulate is a critical part of creating CNC tool paths. Programming a CNC with out a simulator is cutting with out measuring; it's both dangerous and expensive. With CAMotics you can preview the results of your cutting operation before you fire up your machine. This will save you time and money and open up a world of creative possibilities by allowing you to rapidly visualize and improve upon designs with out wasting material or breaking tools.