cocotb is a coroutine based cosimulation library for writing VHDL and Verilog testbenches in Python.

cocotb is a framework empowering users to write VHDL and Verilog testbenches in Python. cocotb: Python-based chip (RTL) verification. Contribute to cocotb/cocotb development by creating an …

In this talk A step-by-step introduction to cocotb. What’s new in cocotb 2.0? How IBM is using cocotb to turbo-charge its chip development.

cocotb is a COroutine based COsimulation TestBench environment for verifying VHDL and SystemVerilog RTL using Python. cocotb is completely free, open source (under the BSD License) …

Learn cocotb, the Python-based hardware verification framework that makes testbench development faster and more intuitive.

What can you do with cocotb? Cocotb is a tool for writing testbenches to verify HDL. The learning curve is less steep than UVM or SystemVerilog - you can get up and verifying in minutes.

Nov 15, 2025 · cocotb is a coroutine based cosimulation library for writing VHDL and Verilog testbenches in Python.