Supported, can be displayed by clicking View>Multitrack
Supported but limited to two voices per track
Supported but limited to either open or closed barline repeats
Supported but MIDI playback will only recognize the first two alternative endings, the second of which must be located above the measure that directly follows the closed repeat in order for it to be associated with the first alternative ending and the repeat in question
Custom Number of and Tuning for a Track's strings
Supported but the number of strings that can be added is limited to no more than 7 and no less than 4 and they can be set to any pitch within the range of 16.352Hz and 15804.266Hz, inclusive
Does not currently allow for different-length courses, e.g. five-string banjo
As of May 2014, TuxGuitar had 4/5 stars in the CNET user ratings. During the same time, TuxGuitar had 3.4/5 stars in the Softpedia user ratings. Currently the program has 4.8/5 starts on SourceForge. Reviewers at Software Informer gave version 1.0 of TuxGuitar 5/5 star, praising the "very easy to use interface" and "very advanced functions" of the program.