Fretuoso
Fretello
Justin Guitar
Guitar Trainer
Go PlayAlong Tab Player
Moosiko
Guitar Pro 7
Instinct
Uberchord Guitar
Fretello
Justin Guitar
Guitar Pro 7
Guitar Trainer
Bohemian Guitars
Instinct
Clapper Game
I've been using Uberchord for a few years by now and it's just amazing. It's all about chords, rhythm and songs. This is no child's game, though, you actually learn how to play. The recognition works for most of my guitars and is borderline crazy, even showing me if I put a finger on the wrong fret. It won't let you just play anything and still pass. They have courses library (they call it learning path) and a pretty large catalog of popular songs. I wish they had solo training, but all in all, highly recommended.
Fretello - Duolingo for learning how to play guitar
Justin Guitar - Over 750 completely free guitar lessons!
Guitar Trainer - For guitar, bass, banjo, mandolin, ukulele and cavaquinho
Guitar Pro 7 - Create, play and share your tabs
Go PlayAlong Tab Player - TAB player and practicing tool with real audio.
Moosiko - The Rosetta Stone for learning guitar