SlimeVR Butterfly Trackers

Super comfortable IMU body-tracking for virtual reality, motion capture, and VTubing

Available for pre-order

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Mar 18, 2026

Latest Butterfly News: Design Updates and Software Improvements

Welcome to the 5th official Butterfly Tracker newsletter. Just one more day before the campaign officially concludes. We have lots to talk about this week, so strap in and get ready to read up on the latest Butterfly-related news. Read the full update.


Mar 04, 2026

First Review, New Plushie, and Dev Notes

The moment a lot of you have been waiting for has arrived, as the first Butterfly Tracker review has been proudly dropped by none other than YouTuber Jacobfov! Read the full update.


Feb 13, 2026

We're Funded! + Q&A

Thanks to all of your generous support, our campaign was funded in just 30 hours! In this update we will explain what's next, and answer some questions you all have been sending us since the launch. Read the full update.


Feb 09, 2026

The SlimeVR Butterfly Trackers Campaign Is Now Live!

Based on the success and experience of SlimeVR Full-Body Trackers, SlimeVR Butterfly Trackers push the limits of comfort and ease of use for body trackers in virtual reality, motion capture, streaming, and more. Read the full update.


Nov 19, 2025

State Of The Project Report

It's been a while, but as the start of the crowdfunding campaign rapidly approaches, we want to share more of our progress, including behind-the-scenes info and other cool stuff about Butterfly Trackers. Read the full update.

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