If you are looking for free options or want to use 01/W sounds in a modern DAW without the hardware:

One of the most modern and portable solutions is to use an iPad or iPhone. Apps like offer high-quality sound modules, though they focus more on grand pianos and studio keyboards than direct 01/W emulations.

Korg offers an official VST/AU plugin version of the 01/W. It perfectly replicates the AI2 engine, includes all original expansion cards, and runs natively on portable laptops.

You can download Korg 01/W sounds in several "portable" or software-based formats that don't require the original hardware. Sample Libraries & Soundfonts (Portable)

An iPad, iPhone, or Microsoft Surface laptop.

This comprehensive guide covers how to find Korg 01/W sound downloads, convert them into portable formats, and load them onto your hardware or mobile devices. Understanding Korg 01/W Sound File Formats