Effects and Annotations
Markers
Markers are a nice element to annotate different sections of the song.
Tempo
You might already have mentioned them: Tempo markers are supported too.
Text
Each beat can have a text attached.
Chords
Chord names can be useful to indicate how to play a song. Chord diagrams are also shown if available.
Vibrato
Beat vibrators and note vibratos are both available.
Dynamics
From piano pianissimo to forte fortissimo, they are all there.
Tap/Slap/Pop
Especially bass guitar players will like this feature.
Fade-In
This annotation is shown if you need to increase the note volume from silent to normal when playing it.
Let Ring
If this annotation is placed on a note, you don't stop the string after the beat ends.
Palm Mute
A feature you won't miss: Palm Mute markers.
String Bends
String bendings can be rendered by alphaTab as well.
Whammy Bar
A lot of electrical guitars come with whammy bars. alphaTab shows whammy bar effects.
Tremolo Picking
Tremolo Pickings are rendered too.
Brush Strokes
Brush Strokes are shown as arrows on the tablature stave.
Slides
There are several types of slides alphaTab can render.
Trill
Trill effects are rendered on the tablature stave and on an effect line.
Pick Stroke
Pick strokes indicate how to play the strings.
Tuplets
Tuplets are used to divide beats into equal subdivisions.
Fingering
Finger indicators can be used to highlight which fingers should be used to play respective note on the instrument.
Triplet-Feel
Triplet feels are used to indicate that a pair of particular notes are played with a different as they are indicated by the annotations.