Must-have verilog systemverilog modules

spi-interface fpga hls encoder delay tcl verilog debounce xilinx synchronizer uart altera uart-verilog fifo pwm uart-protocol spi-master uart-controller uart-tx uart-receiver

• Updated Mar 12, 2026
• Verilog

Send video/audio over HDMI on an FPGA

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• Updated Nov 10, 2026
• SystemVerilog

An abstraction library for interfacing EDA tools

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• Updated Sep 15, 2026
• Python

The PoC Library has been forked to github.com/VHDL/PoC. See new address below

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• Updated Jul 30, 2025
• VHDL

A 32-bit MIPS / RISC-V core & SoC, 1.55 DMIPS/MHz, 2.96 CM/Mhz

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• Updated Nov 5, 2026
• VHDL

A collection of reusable, high-quality, peer-reviewed VHDL building blocks.

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• Updated Nov 2, 2026
• VHDL

Docs, design, firmware, and software for the Haasoscope

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• Updated Jun 6, 2026
• Verilog

All open source file and project for OpenFPGAduino project

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• Updated Oct 27, 2018
• Makefile

Embedded firmware for ham radio transceivers

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• Updated Nov 12, 2026
• C

🏧 Second life for FPGA boards which can be repurposed to DYI/Hobby projects ...............................................................................................

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• Updated Jan 12, 2021

IP Core Library - Published and maintained by the Open Source VHDL Group

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• Updated Nov 6, 2026
• VHDL

Fully pipelined Integer Scaled / Unscaled Radix-2 Forward/Inverse Fast Fourier Transform (FFT) IP-core for newest Xilinx FPGAs (Source language - VHDL / Verilog). GNU GPL 3.0.

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• Updated Jan 31, 2023
• VHDL

DE1SOC DE10-NANO DE10-Standard OpenCL hardware that support VGA and desktop. And Some applications such as usb camera YUYV to RGB , Sobel and so on.

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• Updated Nov 7, 2020
• Verilog

DDR3 Controller v1.65, 16 read/write ports, configurable widths, priority, auto-burst size & cache on each port. VGA/HDMI multiwindow video controller with alpha-blended layers. Docs & TBs included.

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• Updated Apr 8, 2024
• SystemVerilog

Tools for running FPGA vendor toolchains with Docker

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• Updated Apr 30, 2023
• Makefile

FTDI-based JTAG Programmer Circuit for FPGAs

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• Updated Jun 3, 2025

usb-jtag - Altera USB Blaster Emulation with a FX2

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• Updated Nov 2, 2025
• C++

Portable HyperRAM controller

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• Updated Dec 8, 2024
• VHDL

Floating point Forward/Inverse Fast Fourier Transform (FFT) IP-core for newest Xilinx FPGAs (Source lang. - VHDL).

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• Updated Jul 5, 2022
• VHDL

24-bit Stereo Audio DAC for Raspberry Pi

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• Updated Jan 27, 2020
• Verilog