Developer Denis Sergeevitch has released a project that displays a real-time 3D rendering of a fruit fly on macOS desktops [1].
The software allows users to interact with the FlyWire connectome locally, transforming massive biological datasets into a visual experience on a personal computer. This accessibility brings complex neuroscience data out of specialized labs and into a broader digital environment.
The model utilizes data from the FlyWire platform, which provides an interactive 3D view of the complete Drosophila central nervous system [2]. This comprehensive mapping of the fruit fly brain was published in June 2026 [3].
According to the dataset, the connectome maps approximately 25 million synaptic connections [3]. The number of mapped neurons varies by source, with estimates ranging between 100,000 [1] and 125,000 [3].
Sergeevitch first initiated the GitHub repository for the project on June 12, 2024 [4]. He said the tool brings the FlyWire connectome to the Mac desktop in real-time 3D [4].
The project serves as a showcase for the FlyWire connectome by providing an interactive visualization that runs locally [1]. By leveraging the macOS environment, the software demonstrates how high-fidelity biological models can be rendered without relying entirely on remote servers.
“DesktopFly brings the FlyWire connectome to your Mac desktop in real‑time 3D.”
The transition of the FlyWire connectome from a research database to a local desktop application represents a shift toward the democratization of neural data. By allowing the visualization of 25 million synapses on consumer hardware, it enables students and independent developers to explore the physical architecture of a brain, potentially accelerating the study of how structural connectivity influences behavior.

