About : Folder2Iso just creates an iso from any kind of folder (with the subfolders).
Its a GUI of mkisofs.
No need of installation , really small exe.
Some of you can say : "What is the point of this tool? Seems useless."
Well dvddecrypter/imgburn can burn cd/dvd for free so if you make an iso easily you can burn your movies on cds/dvd for free. It is also usefull for the dvd2avi guide ...

DVD2AVI Ripper is a powerful and easy-to-use tool that lets you make backups of your home DVD movies.
It can produce high quality AVI (DivX, XviD, MPEG4, etc...) video files.
With DVD2AVI Ripper, you can: select subtitle language, audio track, output file resolution and frame
rate, zoom (letterbox,PanScan, etc...). The software also supports preview in a preview window.

DVD2AVI Ripper enables anyone to rip their favorite DVD and compress the output as an AVI (DivX, XviD, MPEG-4) file. You have control over many output settings, such as video and audio compressor, file resolution, subtitle language selection, etc.

bitRipper is a simple and user-friendly 'DVD to AVI' software that allows to back-up DVD's as AVI or MPEG files on the hard drive. It can be used for one-click ripping just as well as for advanced one. You are free to choose whether to use default configuration values or to set them manually. bitRipper converts video on-the-fly and does not require gigabytes of space to copy all DVD content to the hard drive before converting to AVI or MPEG.