Blender is a cross-platform community-driven project under the GNU General Public License (GPL) and runs equally well on Linux, Windows and Macintosh computers. Its interface uses OpenGL to provide a consistent experience. It 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. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation.

There is Blender's API available for advanced users who know Python scripting to customize the application and write specialized tools for Blender; more often these contributed tools are included in next releases of Blender. Blender has no price tag, but you can invest, participate, and help to advance a powerful collaborative tool: Blender is your own 3D software.
Blender is being actively developed by hundreds of volunteers from all around the world. These volunteers include artists, VFX experts, hobbyists, scientists, and many more. All of them are united by an interest to further a completely free and open source 3D creation pipeline. You can get involved with this awesome project and contribute in anyway you like to do.

Main Features:
  • Cycles Render Engine
  • Motion Tracking
  • UV Tools
  • "Carve" Booleans
  • Remesh modifier
  • Game Engine
  • Collada
  • Python API
  • More Features.
blender

blender

What's in this release:
  • Initial support for Pixar's OpenSubdiv geometry subdivision technology.
  • A huge view-port performance boost.
  • Big file browser performance boost and arrow keys navigation support.
  • Node Auto-offset feature that helps organizing node layouts.
  • Absolute grid snapping in the 3D view.
  • Sculpting with tiled strokes.
  • Text effect strips for the sequencer, supporting subtitle export.
  • Tilled sculpt strokes.
  • More datablock previews.
  • Blender Internal Particle Info Node.
  • FBX Importer/Exporter got a number of new options.
  • OBJ Importer/Exporter now fully supports MTL emission of materials.
  • New version of the UV Add-on with new features.
  • Possibility of changing camera Lens Shift during game.
  • Freestyle memory consumption was reduced.
  • New stroke modifiers were implemented.
  • View-port: The ongoing view-port project brought a big performance boost.
  • Node Editor: Auto-offset existing nodes when adding a new one.
  • New Point Density texture.
  • Improvements for AMD GPUs (stability on Windows / Linux and compatibility with OSX El Capitan).
  • Camera zoom motion blur support.
  • Support for extended and clipped image texture extension.
  • And hundreds of bugs fixed and other improvements!

Please note that these PPAs are unofficial and there is no official PPA available.

Blender via this PPA available for Ubuntu 15.10 Wily/15.04 Vivid/14.04 Trusty/Linux Mint 17.x/17/and other Ubuntu derivatives
To install Blender 2.76b in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the terminal:


Blender version 2.71 via this PPA available for Ubuntu 12.04 Precise/Linux Mint 13/and other Ubuntu derivatives
To install Blender 2.71 in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the terminal:

That's it
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