Most of them are on GitHub
Teng-Chieh (Grimmer) Kang
a web to show the average price of housing per city in Taiwan, by 3D Map
Stack: D3.js and three.js
Select a image having someone's face, and select your folder, then it will show all images having the same face, even in sub-folders.
Install: Download the needed docker image https://hub.docker.com/r/grimmer0125/electricface/, then
install the Mac app, https://goo.gl/5IzCUj and run it.
Stack: CoffeeScript and Ruby. 660 downloads
OAuth 2, React, Redux, Golang (server side), Elasticsearch, Redis and so on.
Auto VPN - AppleScriptObjC Mac app:
https://github.com/grimmer0125/Auto-VPN (having download link)
SVN software revision control client on Mac:
https://github.com/grimmer0125/svnX (having download link)
H264 build script :
Mobile chrome app: