Learning FPGA, yosys, nextpnr, and RISC-V

SD-Card controller, using either SPI, SDIO, or eMMC interfaces

A modern hardware definition language and toolchain based on Python

Yosys Open SYnthesis Suite

Build your hardware, easily!

Multi-platform nightly builds of open source digital design and verification tools

A Python toolbox for building complex digital hardware

GTKWave is a fully featured GTK+ based wave viewer for Unix and Win32 which reads LXT, LXT2, VZT, FST, and GHW files as well as standard Verilog VCD/EVCD files and allows their viewing.

Verilator open-source SystemVerilog simulator and lint system

FOSS architecture definitions of FPGA hardware useful for doing PnR device generation.