YosysHQ/yosys

Build your hardware, easily!

Icarus Verilog

Chisel: A Modern Hardware Design Language

Verilator open-source SystemVerilog simulator and lint system

Rocket Chip Generator

Digital logic design tool and simulator

A digital logic designer and circuit simulator.

Design circuit boards with code! ✨ Get software-like design reuse 🚀, validation, version control and collaboration in hardware; starting with electronics ⚡️

Learning FPGA, yosys, nextpnr, and RISC-V