It's a crazy dream util you did it.
Resource:
Json Online Editor
Regular Expression Editor
FreeMarker Chinese Manual(a lot big file, 4MB)
Download Gaia SoulStone
URL (d)encoder online
SQL Formatter
MyBatis Config Manual
Webix Samples
Pretty fonts for programming, and it's free
Java Bean to CSharp Entity with Gaia Style
Analyze file type without extension
Explain Shell
Session Lock Analyzer