Alternatives and similar repositories for geos

Users that are interested in geos are comparing it to the libraries listed below

• mist64 / cbmsrc
  Original source code of various Commodore computers and peripherals.
  ☆481Updated 4 months ago
• davidgiven / cpmish
  An open source sort-of CP/M 2.2 distribution.
  ☆384Updated 4 months ago
• mist64 / c64ref
  Ultimate Commodore 64 Reference: ROM Disassembly, Memory Map, ...
  ☆514Updated 6 months ago
• mist64 / cbmbasic
  cbmbasic, a portable version of Commodore's version of Microsoft BASIC 6502 as found on the Commodore 64
  ☆487Updated 2 years ago
• mist64 / c64rom
  Commodore 64 BASIC and KERNAL Source
  ☆211Updated last year
• fachat / GeckOS-V2
  GeckOS version 2, a multi-tasking and multithreading operating system for the 6502
  ☆261Updated last year
• dschmenk / PLASMA
  Proto Language AsSeMbler for All (formerly Apple)
  ☆209Updated this week
• commanderx16 / x16-rom
  ☆156Updated last year
• Museum-of-Art-and-Digital-Entertainment / macross
  Macross 6502, the assembler written by Lucasfilm Ltd. that was used for Habitat and SCUMM
  ☆162Updated 9 years ago
• MEGA65 / open-roms
  A project to create unencumbered open-source ROMs for use on selected retro computers
  ☆278Updated 5 months ago
• emutos / emutos
  EmuTOS is a Free operating system for Atari ST computers, and more.
  ☆284Updated last week
• commanderx16 / x16-docs
  Commander X16 Documentation (CC BY-SA)
  ☆188Updated 2 years ago
• mist64 / perfect6502
  perfect6502, a MOS 6502 CPU emulator that performs a simulation of the original NMOS 6502 netlist
  ☆315Updated 2 months ago
• davidgiven / cpm65
  CP/M for the 6502
  ☆318Updated 3 weeks ago
• jefftranter / 6502
  Code for the 6502 microprocessor, mostly for the Replica 1 computer.
  ☆323Updated last month
• kstenerud / Musashi
  Motorola 680x0 emulator written in C
  ☆468Updated last year
• deater / dos33fsprogs
  Tools for manipulating Apple II dos33 filesystems
  ☆149Updated last week
• ctm / executor
  old-school Macintosh Emulator
  ☆273Updated 7 years ago
• bluewaysw / pcgeos
  #FreeGEOS source codes. The offical home of the PC/GEOS operating system technology. For personal computing fans. For all developers and …
  ☆832Updated 3 weeks ago
• Fabrizio-Caruso / CROSS-LIB
  CROSS LIB - A universal 8-bit library and some games built with it
  ☆340Updated this week
• leuat / TRSE
  Turbo Rascal Syntax Error full repo
  ☆256Updated this week
• jkotlinski / durexforth
  Modern C64 Forth
  ☆243Updated 9 months ago
• GeorgRottensteiner / C64Studio
  C64Studio is a .NET based IDE specializing in game development for the C64 in assembler and BASIC
  ☆284Updated last week
• lgblgblgb / xemu
  Emulations (running on Linux/Unix/Windows/macOS, utilizing SDL2) of some - mainly - 8 bit machines, including the Commodore LCD, Commodor…
  ☆243Updated last month
• mist64 / msbasic
  Microsoft BASIC for 6502 (Commodore, Apple, KIM-1, AIM-65, OSI, ...)
  ☆452Updated last year
• joncampbell123 / doslib
  Hackipedia DOSLIB, a general collection of useful libraries for writing MS-DOS software
  ☆231Updated last week
• KarolS / millfork
  Millfork: a middle-level programming language targeting 6502- and Z80-based microcomputers and home consoles
  ☆267Updated 2 years ago
• a2stuff / a2d
  Disassembly of the Apple II Desktop - ProDOS GUI
  ☆296Updated this week
• ggnkua / Atari_ST_Sources
  A large repository of Atari ST (and family) source code
  ☆286Updated last week
• A2osX / A2osX
  Multi Tasking OS for Apple IIe //c IIgs link to previous version : https://github.com/A2osX/A2osX/tree/0.95/.Floppies
  ☆194Updated 4 months ago