Portable Free Apps : Use it And Enjoy it

Blender is the free open source Professional 3D Modeling Software that can be use to modeling, animation, rendering, post-production, interactive creation and playback. And iit’s available for all major operating systems under the GNU General Public License.

Learn more from Blender.

FreeFileSync is an Open-Source folder comparison and synchronization tool. It is used for fast and easy configurable sync operations between two folders without restricted or overloaded UI interfaces.

If you don’t want to pay UltraCompare or Beyond Compare, so you can try Winmerge.

WinMerge is an Open Source (GPL) visual text file differencing and merging tool for Windows. It is highly useful for determining what has changed between project versions, and then merging changes between versions.

FileZilla is open source software distributed under the terms of the GNU General Public License. FileZilla Client is a fast and reliable cross-platform FTP, FTPS and SFTP client with lots of useful features and an intuitive graphical user interface

Inkscape, An Open Source vector graphics editor, with capabilities similar to Illustrator, CorelDraw, or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format.

Inkscape supports many advanced SVG features (markers, clones, alpha blending, etc.) and great care is taken in designing a streamlined interface. It is very easy to edit nodes, perform complex path operations, trace bitmaps and much more. We also aim to maintain a thriving user and developer community by using open, community-oriented development.