There are 2 repositories under cpld topic.
Collection of various development boards for microcontrollers (e.g., CH55x, CH32, PY32, STC8, STM32) and accompanying example software.
Traces, schematics, and general infos about custom chips reverse-engineered from silicon
ZX Spectrum CPLD-based clone for rubber case
A collection of scripts and tools for Atmel ATF150x and GAL Programmable logic devices, some of the only standing active 5V programmable logic parts still available.
Mod kit for the Virtual Boy to make it output VGA or RGB video
Complex Programmable Logic Device (CPLD) Guide
24-bit Stereo Audio DAC for Raspberry Pi
Improved design attempt for Amiga 500 in socket 68000 Accelerator, FastRAM and IDE Interface
Many peripherals in Verilog ready to use
Karabas-128. ZX Spectrum 128k clone, based on CPLD Altera EPM7128STC100
Amiga 600 Accelerator And RAM Expansion
68000 Relocator with FLASH Kickstart
ZX Spectrum soundcard for NEMOBUS/ZXBUS
Easy-to-build minimalistic ZX Spectrum clone
USB-Blaster firmware that runs on cheap with CH552G chip
Design files for the open-hardware NeoGeo MVS to AES converter
Cheap & simple evaluation boards for Microchip ATF15xx CPLDs
Zalt is a home brew Z80 computer with a modern(isch) chipset.
Initial design attempt for Amiga 500 in socket 68000 Accelerator, FastRAM and IDE Interface
CBM 1551 paddle replacement / mass storage using an SD card interfacing with the Commodore C16/116/Plus4 simulating a TCBM bus 1551 disk drive
Synthesizable SystemVerilog IP-Core of the I2S Receiver
A simple driver for RGB Led Panels of different sizes
tranZPUter FusionX - Software based physical Z80 replacement using a Linux System-on-a-module and a highly accurate Z80 Emulation written in C.
Amiga 500 in socket 68020 Accelerator, FastRAM and IDE Interface
My bachelor's degree final year project: A CPLD implementation of a 16-bit microprocessor I learnt from Computer System Architecture by M. Morris Mano
The CP/LD viewer is a Visual Studio Code extension that allows you to view and browse CP/LD compliant documents inside VSCode.