First one: DVDShrink
DVDShrink, the free DVD decrypter, ripper, and compressor, is a popular all-in-one stop for DVD ripping and backup.
Pros: sleek and user-friendly interface; great compression functionality
Cons: has not been updated for years and might not be able to decrypt some DVDs with newer copy-protection
OS: Windows 7, Windows 98, Windows 2000, Windows Vista, Windows XP
Download Free here: http://www.dvdshrink.org/
Second One:HandBrake
The free, open source, cross-platform Handbrake can convert DVD to video in only MP4 and MKV formats for iPods, PSPs, Apple TVs, PS3s, etc.
Pros: excellent output video quality; small in size; support multi-platform
Cons: cannot rip protected DVDs unless paired with another software; not stable, sometimes even crash; limited output formats
OS: All Windows, Mac and Linux versions
Download Free here: http://handbrake.fr/downloads.php
Third One: Format Factory
Format Factory is a multifunctional media converter with simple interface. It supports conversion between all popular formats of video, audio and image, including DVD ripping. It is flexible and customizable, allowing you to set output settings, such as adding watermarks, subtitles and a lot of other options.
Pros: support all multimedia file formats; support 62 languages; repair damaged video and audio file
Cons: annoying ads on interface
OS: All Windows operating systems
Download Free here: http://www.pcfreetime.com/
Fourth One: WinX DVD Ripper
Pros: fast ripping speed; easy to use and ideal for newbies;
Cons: does not support all video formats and portable devices
OS: Windows 2000, 2003, XP, Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
Download Free here: http://www.winxdvd.com/dvd-ripper/
Last One: DVDFab HD Decrypter
DVDFab HD Decrypter can remove all the DVD protections and part of Blu-ray protections, and copy DVD/Blu-ray to hard drive. It allows you to either copy the full disc or just copy the main movie. It is also flexible and customizable, as you can edit the settings and apply special effects.
Pros: easy to operate; multiple settings; quick speed and fabulous effect
Cons: may not be able to support new protection scheme with latest DVDs
OS: Windows 8/7/Vista/XP (32-bit/64-bit)
Download Free here: http://www.dvdfab.com/hd-decrypter.htm
Resource From: Goshareware