Alternatives and similar repositories for GeckOS-V2

Users that are interested in GeckOS-V2 are comparing it to the libraries listed below

• jefftranter / 6502
  Code for the 6502 microprocessor, mostly for the Replica 1 computer.
  ☆316Updated last month
• davidgiven / cpm65
  CP/M for the 6502
  ☆303Updated last week
• lgblgblgb / xemu
  Emulations (running on Linux/Unix/Windows/macOS, utilizing SDL2) of some - mainly - 8 bit machines, including the Commodore LCD, Commodor…
  ☆231Updated this week
• 640-KB / GLaBIOS
  A modern, scratch-built, open-source (GPLv3) alternative ROM BIOS for PC, XT, 8088 Clone or Turbo PCs.
  ☆270Updated last month
• commanderx16 / x16-rom
  ☆154Updated last year
• udo-munk / z80pack
  A Zilog Z80 and Intel 8080 systems emulation
  ☆186Updated last week
• EtchedPixels / EmulatorKit
  A collection of emulators mostly of retrobrew style systems
  ☆156Updated this week
• drmortalwombat / oscar64
  Optimizing Small memory C Compiler Assembler and Runtime for C64
  ☆350Updated last week
• TheByteAttic / AgonLight
  A stand-alone, BASIC-programmable microcontroller and microcomputer in one! The fastest, cheapest, most hackable 8-bit computer ever.
  ☆240Updated 9 months ago
• mist64 / msbasic
  Microsoft BASIC for 6502 (Commodore, Apple, KIM-1, AIM-65, OSI, ...)
  ☆400Updated last year
• kstenerud / Musashi
  Motorola 680x0 emulator written in C
  ☆450Updated 10 months ago
• Fabrizio-Caruso / CROSS-LIB
  CROSS LIB - A universal 8-bit library and some games built with it
  ☆334Updated this week
• redcode / Z80
  Highly portable Zilog Z80 CPU emulator written in ANSI C
  ☆507Updated last week
• llvm-mos / llvm-mos-sdk
  SDK for developing with the llvm-mos compiler
  ☆305Updated last month
• mist64 / perfect6502
  perfect6502, a MOS 6502 CPU emulator that performs a simulation of the original NMOS 6502 netlist
  ☆309Updated last year
• freemint / freemint
  Unix-like kernel for Atari ST and compatible computers
  ☆168Updated last week
• mist64 / geos
  Source code of GEOS 2.0 for the Commodore 64 and 128
  ☆436Updated last year
• redcode / 6502
  Highly portable MOS 6502 CPU emulator written in ANSI C
  ☆165Updated last week
• commanderx16 / x16-docs
  Commander X16 Documentation (CC BY-SA)
  ☆189Updated 2 years ago
• X16Community / x16-docs
  Commander X16 Documentation (CC BY-SA)
  ☆105Updated 2 months ago
• ilmenit / CC65-Advanced-Optimizations
  How to optimize C code for CC65 compiler
  ☆135Updated 2 years ago
• RC2014Z80 / RC2014
  Official RC2014 repository for hardware schematics / software and more!
  ☆333Updated this week
• mist64 / c64rom
  Commodore 64 BASIC and KERNAL Source
  ☆207Updated last year
• X16Community / x16-emulator
  Emulator for the Commander X16 8-bit computer
  ☆243Updated last week
• tomm / fab-agon-emulator
  Agon Light, Agon Light 2, Agon Console8 Emulator for Linux, Windows, any system with libSDL
  ☆102Updated 3 weeks ago
• wwarthen / RomWBW
  System Software for Z80/Z180/Z280 Computers
  ☆375Updated this week
• anotherlin / z80emu
  A free portable Z80 emulator.
  ☆196Updated 2 years ago
• homebrew8088 / 8088-PC-Compatible
  8088 PC XT Compatible
  ☆221Updated last year
• davidgiven / cpmish
  An open source sort-of CP/M 2.2 distribution.
  ☆375Updated 3 weeks ago
• irmen / prog8
  high level programming language and compiler targeting 6502 machines such as the C-64 and CommanderX16
  ☆168Updated this week