It's an unrestricted work visa: 3 years, unlimited in/out, no requirement to get a job in Taiwan (or work at all), total allowance for remote work for foreign companies, lower tax rate, and eligibility for the state-subsidized national health insurance program after 6 months in the country. How'd you like to pay 10$ for an xray after being scanned and seen by a doctor within 30 minutes of walking into an ER? That's our life here!
We have lots of tech folks from all over the world here and regularly have co-working meetups, hackathons, fireside chats, and talks. Also our food doesn't have toxic chemicals in it :)
You can learn more here: https://goldcard.nat.gov.tw/en/
p.s. YC startup school is coming here this year https://events.ycombinator.com/startup-school-taipei