Are you a guitarist looking for some software to help you play, read tab or write music?

Cakewalk Guitar Studio 2 Trial Version (Win)
http://www.hitsquad.com/smm/programs/Guitar_Studio/
Guitar Studio provides all the tools a guitar player needs to record, edit and mix projects from start to finish.

Guitar Effects v2.09 (Win)
http://www.hitsquad.com/smm/programs/Guitar_Effects/
Turn your PC into power multi effects unit producing great guitar tones!

TablEdit Tablature Editor 2.40 (Win)
http://www.hitsquad.com/smm/programs/TablEdit/
TablEdit is a program for creating, editing, printing and listening to tablature and sheet music.

DenzoQuencer (Win)
http://www.hitsquad.com/smm/programs/DenzoQuencer/
You can create music with chords and drum session at an incredible speed for your improvisation!

Guitar FX BOX 2.1 (Win)
http://www.hitsquad.com/smm/programs/Guitar_FXBOX/
Real-time sound effects processor.

Guitar Effects - Stomp'n FX Vol.1 (Win)
http://www.hitsquad.com/smm/programs/GuitarEffects_StompnFX/
Chorus, Flanger, Autowah, Compressor, Noise Gate and EQ plug-in pack.

Lime Music Notation Software 6.0 (Mac)
http://www.hitsquad.com/smm/programs/Lime_Music_Notation_Software_Mac/
Powerful notation package.

Finale 2000 Demo (Mac)
http://www.hitsquad.com/smm/programs/finale_mac/
The world's best selling music notation software (so it claims)

PedalBoard 0.5 (BeOS)
http://www.hitsquad.com/smm/programs/PedalBoard/
Guitar effects software.

How to play the Guitar - volume I (Linux)
http://www.hitsquad.com/smm/programs/How_to_play_the_Guitar_volume_I_linux/
Beginner's introduction to the guitar. Various styles.

Still want more? Go to the Guitar Software section at Shareware Music Machine - the world's largest music software site! You will find a selection of guitar software which includes guitar effects software which will help you develop your guitar playing, read and organize tablature, understand notation, improve musical theory and play by ear:
http://www.hitsquad.com/smm/cat/GUITAR/