Guitar Tuner
courtesy of HotFrets.com
Free basic, intermediate and Advanced Bass Lessons from www.ActiveBass.com Also, you can write bass lines, contribute your own lessons and much more. Looks like just about the best Bass learning online environment
Free Basic Slapping, Basic Riffs and Bass Tips and Tricks lessons from www.HarmonyPeriod.com
http://www.islandnet.com/~luka/lessbass.htm#cyclewalk
Ron Lukawitski's Bass Lessons on the Web Page
Some basic free lessons and some exercises for all levels
Ron Lukawitski's Bass Lessons on the Web Page
Some basic free lessons and some exercises for all levels