- NerdTracker 2 SDL port
(original by Bananmos, ported by thefox, also includes code by blargg and Anders_A, 718KB, ZIP, last update: October 8th, 2010)
This version is more compatible with modern systems.

- Nerdtracker II v2.1 FINAL BETA
(By Bananmos, 106KB, ZIP, last update: September 1, 1999)
Binary only, includes latest official NT2 documentation, & a few example NED tunes.

- Official Nerdtracker II documentation
(By Memblers, 27KB, TXT, last update: December 20, 2002)

- Nerdtracker II ASM Replay Code (Replay 22, CA65 version)
(By Bananmos, ported to CA65 by Memblers, 174KB, ZIP, last update: December 16, 2003)
For use with the CA65 assembler (included). Also includes a makensf.bat batch file to easily compile your *.DAT file(s) into an *.NSF. For reference, the old X816 assembler version can also be found here, but be aware the compiler is highly incompatible with newer operating systems, and therefore not supported anymore.

The NED music files now have their own section.
Click here to download some cool *.NED examples!
(Last update: February 04, 2004)

- "1TO8BIT.EXE / 8TO1BIT.EXE" sample converter
(By Bananmos, 37KB, ZIP, last update: May 7, 1999)
Binary only, converts between 8-bit unsigned PCM data to 1-bit DPCM data, requires DOS4GW.EXE.

- "81.EXE" sample converter
(By Damian Yerrick, 36KB, ZIP, last update: June 20, 2000)
Includes source, same as above program (sans 1 to 8-bit converter), but also includes an option to scale the sample's volume, as well as an oversampling option.

- NSF Tool v1.1
(By Dan Saeden, 29KB, ZIP, last update: November 14, 2000)
Binary only, very useful for editing song information inside NSF files. Requires Microsoft Visual Basic runtime files v6.

- Reverse Engineering of the NED File Format
(By Damian Yerrick, 19KB, ZIP, last update: January 2, 2001)
Includes source, a disassembly of the music file format NT2 uses.

- NES Sound Channel Guide
(By Brad Taylor, 25KB, TXT, last update: February 19, 2003)
Very useful if you're going to get down to the nitty gritty of the NES 2A03's PSG audio output.

- Delta Modulation Channel Tutorial v1.0
(By Brad Taylor, 10KB, TXT, last update: August 20, 2000)
The full detail of the NES' DPCM sample playback capabilities.