algorithmic modeling for Rhino

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Ladybug Tools

Ladybug and Honeybee are two open source environmental plugins for Grasshopper to help designers and engineers create an environmentally-conscious building design.

Installation Instructions

Download Ladybug and Honeybee

Remove Old Version

Ladybug PrimerHoneybee Primer

Example Files for Ladybug

Example Files for Honeybee

Ladybug on GitHub

Honeybee on GitHub

Use this Reference for your Publications.

Licensed under @license GPL-3.0+

Read more here

Members: 1708
Latest Activity: Oct 8

This forum is retired!

After using this forum for the last couple of years we’re moving the discussions to a modern environment to make it easier for the community to help each other. As good as this forum has been it is quite hard to search and has several limitations in what we need for a modern discussion forum.

The new Ladybug Tools discussion forum is using discourse and is currently accessible at

We have already transferred all the discussions and members from the Grasshopper forum to the new website by creating an account for each of the current group members and recreating all the discussions that they have created or replied to. You must send us an email to claim your account.

What should you do now?

If you already a member of this forum we need your Grasshopper profile Id and the email address that you would like to use to activate your new account. That way you will be credited for all the discussions created and replies posted and own the account for the future.

You can find your grasshopper ID at the end of your grasshopper profile page. For example my ID is MostaphaSadeghipour (

If you're not a member of this forum and would like to join send us an email and we will send you an invitation.

Please send your emails to (

This process currently involves some manual work and it may take some time before you receive the email. We will do our best to send you the email as soon as possible. If you didn't receive an email in two days, check your spam folder and let us know if you there is any issues.

Read the full post here.


Members (1708)



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