Music Theory Wikibook: The Basics
- Music Notation Systems
- Scales and Intervals
- Chord Structures
- Consonance and Dissonance
- GuitarWiki.com Wiki based guitar resource with lessons, chord library, music theory, a gear section and tabs.
- Guitar War 網路線上吉他大賽，自2000年開始舉辦，包括世界各地的吉他手參戰。
- TopGuitars.info - Guitars reviews 數百篇的吉他評析，此外也包含其他的樂器、吉他音箱和效果器評析。
- GuitarWiki.com 關於吉他的線上百科全書，包含教學、和絃資料庫、樂理、附加裝備等資訊。
- Guitar section at About.com Lessons, a chords library and gear info
- Vintage Marshall Amp Mods
- Wiki Guitar Wiki Guitar site with tablature, lessons, resources, articles, and forums.
- Ney Mello On Practicing & The Principles.
- Online Guitar Lessons Guitar Tricks 45 Guitar Instructors
- Online Guitar Lessons Reviews (Free) In-Depth reviews and User-Reviews for online guitar courses.
- Free Online Guitar Lessons Guitar lessons
- The Online Guitar Directory Free online guitar lessons.
- Free Online Guitar Lessons Free video guitar lessons for kids & adults
- Free Shred Guitar Lessons
- Free Video Lessons Free Video Guitar Lessons - blue, rock and metal. Beginner to Intermediate.
- Free Guitar Chords Free Guitar Chords eCourse with video. Basic and bar chords.
- Free Guitar Chord Chart Learn to play just about any song, by learning the basic guitar chords.
- Free Online Guitar Lessons Guitar lessons, chord charts, useful links, and how to set-up your guitar.
- GuitarNationLive.com | Learn and Play Giutar Learn, play and master your guitar with comprehensive guitar lessons. Topics range from complete beginners to advanced.
- The Online Guitar Directory A human-reviewed and edited directory listing guitar related links.
- Free beginner guitar lessons as well as tablature from the Beatles, Led Zeppelin, and more....
- How To Play The Guitar in 30 Days
- Learn Your Favourite Song on the guitar
- Learn To Play Lead Guitar
- Free Jazz Guitar Lessons
- Guitar Amp modeling Great information on Guitar amp software, Presents, banks, settings and cabinet impulses.
- Guitar software for beginners to professionals
- Guitar effects software for PC
- Free Guitar Lessons
- More Free Guitar Lessons, plus player interviews
- "THE" Online Guitar Community
- UK Guitar Museum
- Guitar Tabs Axetopia has a good resource list and search .
- Guitar Tuning Tips has information on basic tuning, along with alternative guitar tunings.
- GuitarGearHeads offers free lessons and professional reviews on guitar equipment.
- WholeNote On-Line Guitar Community has tab, reviews, and interactive lessons.
- Fret Wizard Guitar Lessons lessons and information for guitar beginners
- Sight-Reading Rhythm Patterns offers rhythmic exercises for guitarists (notes+MIDI)
- - Guitar Chords Over 1800 guitar chords, organized by type of key. As well 8 Chord Inversions for each chord
- Classical Guitar TabsClassical Guitar Tabs, Guitar Forum.
- Chord Chart Learn to play any song, by learning basic guitar chords
- Ultimate-guitar.com Over 200,000 guitar tabs, bass tabs and chords. Also features lessons, columns, forums and news updates.
- Tablaunch.com An extensive database of guitar, bass, drum, tablature.
- Free beginner guitar lessons as well as tablature from the Beatles, Led Zeppelin, and more.... (requires Windows software)
- Guitarboard.com has a guitar, bass and drum tablature archive. They also have a more serious, not too busy forum
- Guitaretab.com has a large guitar archive without too many ads
- Guitarsrule.com Community web site for guitarists
- Olga.net was one of the first guitar tablature sites on the net!
- Tabcrawler.com is one of the early guitar sites and is quite popular
- www.power-tab.net Useful guitar tab editor named Powertab that lets you play back the song as MIDI.
- Powertab Archive A collection of tab files for Powertab editor.
- All-Guitar-Chords.com gives many variations on different guitar chords.
- Guitar Chords Online lessons, charts, pictures, songs & chord finder.
- The Guitar Players Toolbox Site provides practical tools and information on guitar chords, chord charts, and guitar playing.
- Guitar Chords and Scales Search and view chords and scales notes on a guitar fretboard
- chordie an excellent guitar songbook website
- mysongbook an extremely well kept listing of tabs of ALL genres
- Abc-tabs A lot of guitar tabs
- 911tabs.com A tab database.
- ultimate-guitar-tuner.com Free online chromatic guitar tuner. Supports microphone input.
- TuxGuitar Open-source tablature editor for Linux, Windows and Mac.
- CleanTab.com 非常棒的吉他譜數據庫！最少的廣告。
- tabs.guitarworld.com 大型吉他譜數據庫
- Guitaretab.com 有一個大型的吉他譜歸檔。
- Ultimate-guitar.com 超過 200,000 吉他譜，貝司譜和和弦。還有特色的課程，專欄，論壇及新聞更新。
- 911tabs.com 吉他譜數據庫.
- HowToTuneAGuitar.org Chord Finger 超過 1800 個吉他和弦，按關鍵字組織。每個和弦還有 8 個轉位和弦。
- All-Guitar-Chords.com 易於理解的音階，和弦和和弦進行數據庫，並有非常好的界面。還包括一個帶有背景音軌的鼓機便於練習。
- http://www.guitar-chords.org.uk 和弦圖和五線譜參考。
完成狀態應該是0%, 25%, 50%, 75%, 或者 100%!