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We are big fans of freeware/open source software. In this page we publish the top rated freeware/open source and update them occasionally. 


DVD Ripping:

  1. HandBrake - HandBrake is a tool for converting video from nearly any format to a selection of modern, widely supported codecs.
  2. Format Factory - Free and multifunctional, multimedia file conversion tool.

Internet Browsers:

  1. Google Chrome
  2. Mozilla Firefox
  3. Opera


  1. TexMaker
  2. JabRef - Editing references

Media Players:

  1. Divx Player
  2. Sview player (supports stereo images and videos)
  3. Open Broadcaster Software - Open Broadcaster Software is free and open source software for video recording and live streaming
  4. VirtualDub
  5. VirtualDubMode
  6. VLC Media Player: (portable version): VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVD, Audio CD, VCD, and various streaming protocols.               
  7. Xvid Codec
  8. XBMC

PDF Reader:

  1. Adobe Reader X
  2. Foxit Reader

PDF Writer:

  1. Bullzip
  2. Cute PDF Writer
  3. Dora PDF Writer (more...)
  4. PDF Edit
  5. Primo PDF Writer

Photo Editing:

  1. Paint.NET: This is one of the best free and robust image editing tools, this can be used as a substitute for the Photoshop. This can also be used as a watermarking tool.
  2. Zoner Photo Studio
  3. Watermarking Tool: How to Watermark Images and Documents
  4. Irfan View
  5. Gimp

Matlab Alternatives:

  1. Octave

Online Simulators:

Statistical Analysis:

  1. R Deducer

Youtube video/audio downloader:

  • ListenToYoutube is the most convenient online application for converting YouTube flash video to MP3 audio. This service is fast, free, and requires no signup. All you need is a YouTube URL, and our software will transfer the video to our server, extract the MP3, and give you a link to download the audio file.
  • youtube-dl


  1. Free Opener
  2. Find Large Number of Duplicate Files on Your Computer
  3. Internet usage monitor
  4. Turn your windows laptop into a wireless router
  5. Convert Excel charts into high resolution images
  6. MagicPrefs (Mac only) - MagicPrefs is a free application for OS X which aims to improve the functionality and configuration options of the Apple Magic Mouse, Magic Trackpad and the MacBook glass trackpad.
  7. MobaXterm - ssh client
  8. Touch mouse pointer - "TouchMousePointer is a Windows 8 (or later) program for use on Windows tablets or convertibles with touch screens. Windows 8 touch screens, especially on tablets, do not work well with many standard windows programs and websites; especially those that use roll-over effects like menu buttons and tool tips. Resizing Windows and scrolling is frustratingly difficult on Windows tablet touch screens and small icons and buttons often require the use of a stylus and even then they don't always work as they should. TouchMousePointer solves all these problems by making your touch screen into a track-pad that controls a standard cursor. At last your Windows tablet has a cursor and you can position it exactly where you need to have it - without your finger blocking the target - and mouse roll over effects work perfectly on menus and buttons of all Windows programs and websites."
  9. System information viewer (hardware and software):
    1. Speccy - Wikipedia
    2. CPU-Z - Wikipedia

Video Editing:

  1. AviSynth

Virtual Reality:

  1. Unity - Free and paid versions
  2. Vizard - Free for 90 days, otherwise paid

Visualisation tools:

  1. Blender: is a professional free and open-source 3D computer graphics software product used for creating animated films, visual effects, art, 3D printed models, interactive 3D applications and video games. Blender's features include 3D modeling, UV unwrapping, texturing, raster graphics editing, rigging and skinning, fluid and smoke simulation, particle simulation, soft body simulation, sculpting, animating, match moving, camera tracking, rendering, video editing and compositing. Alongside the modeling features it also has an integrated game engine.
  2. Drishti
  3. Meshlab
  4. OSG viewer
  5. Paraview
  6. Povray
  7. SketchUp - Tutorial - is a website used to display and share 3D content online.
  8. Unity - Tutorial
  9. VTK
  10. Quartz
  11. Vuo
  12. CAIDA software tools - The CAIDA Tools site contains a variety of internet measurement and visualisation software as well as a taxonomy of available research and visualisation tools.    


  1. 7-zip
  2. Win RAR

Some of the softwares needs to be installed when you reinstall windows operating system:

  1. Adobe Flash Player
  2. Java Run-time Environment 
  3. .Net Framework

Data recovery:

  1. TestDisk


C++ Libraries:

  1. Boost Libraries.


  1. Kivy - multi-plateform supported python based development environment
    1. KivEnt - A real-time rendering framework for Kivy
    2. Particle Physics - Particle Panda
  2. Enthought Canopy (Mac) - Python IDE
  3. Pycharm (Mac) - Python IDE


    1. Notepad++ (Windows only)
    2. TextMate (Mac only)
    3. TextWrangler (Mac only)
    4. XML validator and viewer (XML Explorer)


Text Editor - Atom -