nointro No-Intro is a collection of DATs aimed for video game preservation especialized in cartridge-based and digital systems.
pleasuredome PleasureDome is a group that gathers dats for MAME, HBMAME and fruit machines.
redump Redump.org is a disc preservation database and internet community dedicated to collecting precise and accurate information about every video game ever released on optical media of any system.
t_en Translated-English is a collection of DATs aimed for video game translations.
vpinmame VPinMAME is a dat aimed for VisualPinMame.