Collaborations

• CP/M-65 - Atari and OSI ports, DwarfStar editor
• adlib2vgm - Converts file formats supported by AdPlug to VGM format

Music

• pokeysynth - Atari Pokey LV2 synth plugin with FLTK
• am6070towav - Convert AM6070 ROMs to WAV files

Emulation

• osiemu - Ohio Scientific Instruments, Inc. Emulator for Linux, Windows, and macOS
• atari8080 - Intel 8080 Emulator in 6502 assembly (prototyped in C)
• atarisid - Software SID emulation for the Atari 8-bit (6502 @ 1.8MHz + POKEY)
• fake6502 - MOS 6502 Emulator in C
• break6502 - 6502 gate level simulation in C++
• atariterm - atari800 emulator in a vt100/ANSI terminal window or console

Retro Computing

• saprtools - Tools for manipulating or creating Atari 8-bit SAPR files
• pokey-explorer - Exploring the Atari 8-bit Pokey chip
• random6502 - Pseudo Random Number Generators in 6502 assembly
• xatmas2 - Atmas 2 Compatible 6502 Cross-Assembler
• 8x8-fonts - Collection of very old 8x8 fonts
• siddasm2 - NSF, SAP and SID file disassembler (NES, Atari and C64)
• sizecoding - Sizecoding on retro computers! Atari 8-bit, C64, and more
• romdos - Atari 8-bit ROMDOS archeology and new experiments

Hardware

• ramtest2114 - MARCH MSS 2114 SRAM Tester
• PicoRAMCart - Emulate Raster/Bob!k/C.P.U. RAM Cartridge with A8PicoCart
• atari2600cart - Atari 2600 Cartridge PCB
• bat-detector - Detect bats
• cs9236-waveblaster - CS9236 WaveBlaster card
• project-helena - Atari 800XL keyboard replacement
• vs1053-waveblaster - VS1053 WaveBlaster card
• 1088xel-kicad - MyTek's 1088XEL in KiCad
• midimuse - MIDI Interface for the Atari 8-Bit Computers, including a WaveBlaster Interface
• snes2joy - Connect SNES controller to Atari joystick port
• dip-to-pinheader - DIP to PinHeader boards

Miscellaneous

• cygcross - Building a Cygwin Cross-Compiler for Linux
• zmalloc - Dynamic Memory Allocation for Small Memory Systems
• 7400-logisim - Logisim library of 7400-series ICs
• zzjson - Lightweight JSON library in C
• fpm - Fixed Point Math library
• cpm22-from-source - Build CP/M 2.2 from source
• frida - FRee Interactive DisAssembler
• myterm - Simple vt100 terminal based on SDL

Projects I started continued by others

• xautoclick (my SourceForge original) - Auto Clicker for X11, FLTK, GTK+, and Qt
• rkflashtool (my SourceForge original) - Tool to flash RockChip based devices over USB