FPGA

• VHDL - FPGA Tutorial

• theDataBus.io

• Project F - FPGA Development

• Verilog, Formal Verification and Verilator Beginner's Tutorial

• fpga4fun.com - where FPGAs are fun

• Comprehensive list of FPGA development boards - FPGA Developer

• os-fpga/open-source-fpga-resource: A list of resources related to the open-source FPGA projects

• sylefeb/Silice: Silice is an open source language that simplifies prototyping and writing algorithms on FPGA architectures.

• GitHub - olofk/fusesoc: Package manager and build abstraction tool for FPGA/ASIC development

• FPGAwars/icestudio: Visual editor for open FPGA boards

VHDL

• VHDL CLASS

• VHDL Online - A Collection of VHDL Related Internet Resources