Free DVDAid offers every user the opportunity to rip, encode and edit DVD to almost any video and audio format freely. Without extra payment, you could own a freeware to assist with DVD to video/audio transition which enables you to watch DVDs on other multimedia players without limitation. Plus, with the built-in video editor, Free DVDAid is considered to be a easily handled video editing tool with the ability of trimming, cropping, splitting, merging, adding subtitle file, etc.

Support DVD disc, DVD VIDEO_TS folder, and DVD IFO/ISO
Rip DVD to AVI, MKV, MOV, M4A, AAC… around 70 video and audio formats
Fast conversion speed with the NVIDIA CUDA technology and AMD ® Accelerated Parallel Processing (APP)
Customize DVD content with built-in video editor
Supported OS: Windows 2003/XP/Vista/Windows 7/Windows 8/Windows 8.1/Windows 10

Official Site: http://www.multipelife.com/free-dvdaid