PitchPerfect Guitar Tuner
PitchPerfect is a highly accurate professional guitar tuner with a very simple to use interface. PitchPerfect eliminates the need to tune an instrument to some kind of conventional tuning. Instead, PitchPerfect can automatically detect whatever note you are playing. ... ~ Tune your guitar through any available sound input device including Microphone or Line In. ... You can simply tune your strings quickly and easily to any note you want! ... Features: ~ Tune to absolutely any note you want. ... ~ Excellent tool for checking fret board intonation.
http://www.audiochannel.net/software/pitch.zip - 2Mb - Download - Screenshot

Guitar-Online Tuner
This guitar tuner allows standard and open* tunings. The program shows the name of the note, together with its place on the stave, and numerical values of pitch/frequency. If the open tunings doesn't fit your needs, you can use the keyboard (in chromatic mode) and choose any other note to tune...
http://www.guitar-online.com/demos/data/tuner-demo.exe - 987Kb - Download - Screenshot

enable Guitar Tuner
enable Guitar Tuner performs real-time tuning for a range of instruments, as well as presets for each instrument in a variety of styles. You can transpose, use common jazz and orchestra references or even enter your own custom frequencies for unlimited flexibility. ... Learn to "tune by ear" using the Play Tone feature, which generates the note you are trying to play while you tune to it. ... enable Guitar Tuner automatically determines your instrument / string's current frequency to high accuracy, and tells you the corresponding musical note.
http://www.enableencore.com/encore/GuitarTunerDemo.exe - 4Mb - Download - Screenshot

Guitar online tuner
Guitar Tuner. Use this flash to get your guitar in perfect tune! Click on the chords to hear the perfect note.
http://www.flashmusicgames.com/gtf.zip - 50Kb - Download - Screenshot

EzyTuner Guitar Tuner
EzyTuner is a fast, accurate instrument / guitar tuner and metronome. Using your microphone it automatically detects the frequency of the instrument and calculates the note, so there is no need to tune by ear. Use it as a guitar tuner, bass tuner or even your singing voice. ... Why pay $100s for a guitar tuner when you can get one this cheap with a free metronome.
http://www.ezytuner.com/Downloads/ETsetup.exe - 608Kb - Download - Screenshot

Virtual Fretboard for Guitar
The Virtual Fretboard for Guitar software package allows users to browse fretboard layouts for many different instruments and tunings. It displays the note positions on the fretboard in both chord and scale modes. Functionality includes : Fully Configurable, Chord and scale search, MIDI sound...
http://www.rock-software.com/downloads/VirtualFretboardSetup.exe - 568Kb - Download - Screenshot

SlowGold
Slow down music from any audio CD, MP3 file, or Wave file - hear and learn every note. The styles and solos of all the master musicians are yours for the taking with this acclaimed transcription tool. Top sound quality and convenience for musicians at all levels. ... Slice up a solo into loop points: phrase-by-phrase, measure-by-measure or even note-by-note. ... Other goodies in SlowGold include a way to note lyric and chord information, and then create a text file with chords above lyrics to print out and give to the band.
http://www.warrensirota.com/SlowGoldInstall.exe - 8Mb - Download - Screenshot

NSA Song Player
The NSA Song Player is designed to help you learn and create songs for the guitar. You can import tablature and hear it as it is played to the Metronome speed you choose, or create your own songs and progressions. Now with alternate tuning, staff and a capo, you can enter virtually any song,... As notes are displayed, you can choose several options for additional information, such as note names or relative positions. ... Once you are familiar with a song, you can test your skills by playing it in a different key (with the click of a button), or change the fret position to learn different...
http://www.guitar-learning.com/dl/dm/s_player.zip - 4Mb - Download - Screenshot

e-Xpressor MIDI Voicer
The program converts voice into timbres of any MIDI instruments, creates original ring tones for mobile phones, creates musical pieces by ear, recognizes notes of the vocal melody. A live or recorded performance is converted to MIDI in real-time. MIDI Voicer is a veritable musical instrument... For instance, when singing a tune into a microphone you can simultaneously hear it blown by the trumpet or the sax, performed by the electric guitar or even beaten by drums! ... MIDI Voicer also identifies notes of the sung tune.
http://www.e-xpressor.com/expr.demo/midivoicer_v1.0.exe - 982b - Download - Screenshot

Echoview Pro
EchoView Pro is designed to provide the functions that your music sequencer software left out. If you are a serious musician or composer, EchoView Pro gives you a powerful set of tools that can help you to fine-tune your art. Here is an overview of some of the features... ... Also useful for finding frequency/note values. ... THE VIRTUAL GUITAR is primarily an instrument tuning aid but also useful for creating strummed effects with MIDI. ... THE SONG LENGTH CALCULATOR works in conjunction with the main window to calculate the length of a musical piece in bars or seconds, useful for finding...
http://www.mirage-avm.com/download/evp600.exe - 2Mb - Download - Screenshot