Cactus Compute Engine (cactus-react-native)

Offload intensive JavaScript tasks to native background threads to maintain a fluid 60 FPS UI.

Cactus Compute Engine (cactus-react-native) solves the single-thread bottleneck by executing heavy logic on the native side. It targets high-latency operations: large-scale data parsing, image filtering, and complex math. By moving these workloads off the main thread, it prevents frame drops and UI freezes. Developers interface with the engine via a simple Promise-based API (cactus.execute) to run tasks in parallel. This approach reduces main-thread occupancy by up to 85% in data-intensive mobile applications.

https://github.com/cactus-compute/cactus-react-native