FamiStudio

FamiStudio is a simple 8-bit chiptune music editor. It is targeted at both chiptune artists and homebrewers.

Features:

* Modern DAW-style UI with piano roll, no hexadecimal anywhere

* Instrument & Envelope edition

* Full Undo/Redo support

* Copy & Paste support

* Note drag & drop with audio preview

* DPCM sample editor

* Import from FamiTracker FTM & Text (official 0.4.6)

* Export to various formats (WAV, ROM, NSF, Video, etc.)

* Volume, fine pitch, vibrato effect tracks

* Slide notes (portamento)

* Arpeggios

* Multiple audio expansions supported.

* Desktop versions are also available for all major operating systems.

The app is free and open source.