Nero Recode $69.99
Burns DVD, part of NeroVison2 which is in Nero 6 Ultra Edition

DVD2ONE EUR 39.99
Burn with CopyToDVD $29.99, does flippers

DVD95Copy $45 (license tied to hardware)
Decrypts DVD, Burns DVD

DCS - DVD Copy Suite EUR 39.95
Burns DVD

Instant Copy $49.99
Burns DVD

Elby CloneDVD EUR 39.00
Burns DVD

DVDXCopy Express $69.99
Decrypts DVD, Burns DVD, inserts copyright message, embeds number on DVD to identify you

InterVideo DVD Copy $49.95
Burns DVD

ReJig GPL, free
still in early stages of development

Split to two DVD±Rs
DVDFab 0.17.0 freeware.
Decrypts DVD with hack

DVDFab 1.0.x $39.95
Decrypts DVD, Burns DVD

DVDXCopy Plus $69.99
Decrypts DVD, Burns DVD, inserts copyright message, embeds number on DVD to identify you

Use Encoders
dvd2dvd-r freeware
uses CCE, main movie only

dvd2dvd freeware
uses CCE or TMPGEnc, main movie only

Ripping/Decrypting
DVDDecrypter freeware
can rip to .iso or video files, Burns .iso

AnyDVD $39.00 affiliation with Elby CloneDVD
on-the-fly decryption

DVDRegionFree $39.95 affiliation with DVDFab
on-the-fly decryption

DVD43 freeware
requires patin-couffin_setup.exe driver (also freeware) if you don't have one of these commercial programs: CopyToDVD, DVDXCopy Express or BlindWrite installed.
on-the-fly decryption

Strip extras from DVDs while retaining menus
MenuEdit $16.50 (license tied to hardware)

DVDStripper freeware

TitleSet Blanker freeware