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

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

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

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 …

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.

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.

The COroutine based COsimulation TestBench (cocotb) is an extremely popular open-source and completely free environment for creating hardware testbenches in Python.

cocotb has 5 repositories available. Follow their code on GitHub.

Sep 7, 2022 · One thing I’ve been meaning to look at for some time now is cocotb which is a free, open source verification frame work. If you are not familiar with it, cocotb (coroutine-based co …