Gieson's online Interactive Guitar Tuner is a free online tuner with a sleek design and some nice features. There are four tuning settings in addition to standard tuning and a number of other features. The website also offers a short audio tutorial that helps beginners know what to look for when tuning a guitar.
This Guitar Tuner is simple but gets the job done! The interface is nicely designed and there is a link to a 12-string tunner. Standard tuning only, but there are links to additional tunings as well.
If you have a 12 string guitar, then this simple guitar tuner is for you! Simple, but slick!
This guitar tuner is nice if you want to actually plug your instrument into your computer and get a precise tune, rather than tune by ear. The design is simple, but it works great! Detailed instructions are included!
This tuner is great if you don't want to tune your guitar in standard tuning. The guitar tuner comes with presets but you can also select notes manually for highly specialized tunings.
This bass guitar tuner is great for tuning your bass guitar. Simple but sleek design, allows bass players to tunner their instruments in standard tuning by ear.
Simple but functional, this offers some nice resonant pre-recorded tuning sounds.
This guitar tuner also has alternate guitar tuning options. You can tune to Standard, Drop D, Open C, Open G, Open D, Open G, Half Step Down, Full Step Down, Open E or Admiral. This website also provides information about tuning your guitar and a small guitar tuner that can be embedded on any website (see the top right side of this page for an example!