Amaranth HDL (previously known as nMigen)
A modern hardware definition language and toolchain based on Python
Chisel/FIRRTL Hardware Compiler Framework
A hardware design language that facilitates advanced circuit generation and design reuse for both ASIC and FPGA digital logic designs
edalize
An abstraction library for interfacing EDA tools
fusesoc
Package manager and build abstraction tool for FPGA/ASIC development
migen
A Python toolbox for building complex digital hardware
MyHDL
Python as a hardware description and verification language
nMigen
A refreshed Python toolbox for building complex digital hardware
PipelineC
Open source C-like hardware description language with high-level-synthesis-like automatic pipelining and several other real life design inspired features.
Silice
Silice is an open source language that simplifies writing algorithms fully exploiting FPGA architectures
SpinalHDL
Scala based HDL
