Alternatives and similar repositories for ultimate:

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

• breakintoprogram / lib-spectrum-next
  ZX Spectrum Next library routines
  ☆27Updated last year
• Paulie68000 / ZXSpectrumHyperActive
  Fully reverse engineered source code to Jonathan Smith's Hyper Active covermount game
  ☆22Updated 3 months ago
• jsmolina / z88dk-tutorial-sp1
  sp1 tutorial (ms nampac)
  ☆12Updated 3 months ago
• santiontanon / castlemaster2-disassembly
  Disassembly of the original 1990 Castle Master II: The Crypt ZX Spectrum game
  ☆27Updated last year
• stefanbylund / zxnext_bmp_tools
  Spectrum Next BMP tools
  ☆27Updated 8 months ago
• ped7g / ZXSpectrumNextMisc
  Miscellaneous small unrelated pieces of source code for ZX Spectrum Next (Z80N assembler sources)
  ☆24Updated last month
• mazspork / buggyboy
  Buggy Boy ZX Spectrum Version 48K/128K
  ☆14Updated 6 years ago
• Paulie68000 / ZXSpectrumCobra
  Full reverse engineered source code of Jonathan "Joffa" Smith's Cobra
  ☆43Updated 2 months ago
• MrKWatkins / ZXSpectrumNextTests
  Test programs for the ZX Spectrum Next.
  ☆29Updated last month
• jltursan / AGD-MSX-Suite
  MPAGD MSX suite (only MSX1 specs supported)
  ☆25Updated 4 years ago
• ralphbecket / Z80
  My ZX Spectrum Z80 Playground
  ☆21Updated last year
• TinfoilAsteroid / EliteNext
  ZX Spectrum Next port of Elite. Very much work in progress
  ☆21Updated 5 months ago
• impomatic / z80snippets
  ☆17Updated last year
• WHumphreys / Manic-Miner-Source-Code
  Manic Miner source code for the ZX Spectrum.
  ☆18Updated last year
• gasman / hdfmonkey
  A Swiss Army Knife for working with FAT partitions on Spectrum emulator HDF images
  ☆17Updated 4 years ago
• remy / next-ayfx
  AYFX Driver for NextBASIC
  ☆11Updated 4 years ago
• stefanbylund / zxnext_sprite
  C hardware sprite API for Spectrum Next
  ☆25Updated 2 years ago
• einar-saukas / RCS
  Reorder ZX Spectrum screens for better compression
  ☆14Updated 3 years ago
• RetroCoderTV / RetroCoderASM-TV-ZX_Dev
  Z80 ASM ZX Spectrum Beginner Level Game Development
  ☆12Updated 4 years ago
• mvac7 / SDCC_PT3player_Lib
  SDCC PT3 Player (Vortex Tracker) Library for MSX
  ☆21Updated 2 years ago
• reidrac / castaway-zx
  A game for the ZX Spectrum 48K
  ☆15Updated 3 years ago
• simon-frankau / head-over-heels
  A reverse-engineering of the classic isometric ZX Spectrum game "Head Over Heels"
  ☆30Updated 7 years ago
• einar-saukas / ZX1
  Simpler data compressor for 8-bit computers and low-end platforms
  ☆27Updated 2 years ago
• mrcook / jetpac-disassembly
  JETPAC: fully annotated source code of this classic 8-bit game (1983, ZX Spectrum)
  ☆58Updated 3 years ago
• TomHarte / Isometric-Ray-Cast
  Zero-overdraw isometric graphics for the ZX Spectrum, featuring the Ant Attack map.
  ☆31Updated last year
• Ckirby101 / pasmoNext
  PasmoNext Z80 assembler with full ZX Spectrum Next opcode support. Windows and Mac
  ☆10Updated 6 years ago
• stefanbylund / zxnext_layer2
  C layer 2 graphics API for Spectrum Next
  ☆23Updated 2 years ago
• santiontanon / netherearth-disassembly
  Disassembly of the original 1986 Nether Earth ZX Spectrum game
  ☆26Updated 2 years ago
• DW0RKiN / Floating-point-Library-for-Z80
  Floating-Point Arithmetic Library for Z80
  ☆22Updated last year
• reidrac / beeper-int-zx
  Beeper engine for the ZX Spectrum 48K
  ☆14Updated last year