Driverzone.com
Big driver database searchable by device type or maker.
http://www.driverzone.com/

Driver World
Helpful online resource links to hardware manufacturer sites for drivers.
http://www.driverworld.dk/

Totallydrivers.com
Useful online resource for drivers and web development for several OSs.
http://totallydrivers.com/

Drivers Planet
Database of links to 34000+ drivers by over 1000 companies. Also offers news and articles from the computer world and a forum.
http://www.driversplanet.com/

BeBits.com
Contains BeOS device drivers.
http://www.bebits.com/

Misplaced Drivers
Download drivers for Sony DCR TRV 740 and DSC-P71 USB USB, and NCR Teradata ODBC Drivers RDBMS.
http://www.geocities.com/misplaceddrivers/index.html

Driver Files
Driver search engine and directory. Provides automatic driver updates.
http://www.driverfiles.net

Jargon's Driver Museum
Some device drivers for devices no longer supported by their manufacturers.
http://www.drivermuseum.com

Windows Drivers Downloads
Categorized lists of drives, by device type or manufacturer. Also offers manuals and driver articles.
http://www.nodevice.com/

DriversLab
Archive of drivers, firmware and bios for download - categorized by device and manufacturer.
http://www.driverslab.com/

PCdrivers.Com
Links to download device drivers and patches.
http://www.pcdrivers.com/

Driver Agent
Software which automatically updates your drivers.
http://driveragent.com/

UpDrivers
Provides 40000 drivers for free download from the site after you skip the ads.
http://www.updrivers.com

Driver Request
People who find drivers for you for free with 90% claimed success ratio.
http://www.driverrequest.com

Karl's PC Help
Offers drivers for download, driver requests, and links to manufacturers.
http://www.karlsforums.com/

DriversCollection
One of largest free net library of device drivers for computer hardware. Daily update. All drivers available for free download
http://driverscollection.com

Drivers Download for Free
Database of hardware drivers for free download. Direct links to drivers files.
http://www.driverskit.com/

Help Drivers
Very full driver compilation; English, French, German, Spanish.
http://www.helpdrivers.com/

Drivers Stock
Driver collection for different operating systems free directly from site.
http://www.driverstock.com/

WinDrivers.com
Provides links and information for almost all companies that manufacture computer devices, as well as an archive of older drivers.
http://www.windrivers.com/