iPad

Amaziograph | Create amazing mandalas and tessellations
Infinite Studio
Sidecar to a headless Mac from iPad | edmn
Redsn0w, Redsnow Jailbreak iPhone 7 – 6.1.3 – 6.1.2 – 5.1.3 untethered
iTextEditors – iPhone and iPad text/code editors and writing tools compared
Highcharts – Interactive JavaScript charts for your webpage

I’m tentatively planning to use this for some iPhone/iPad apps.
Baker Ebook Framework

This looks like a great tool for building iPad snook apps. I’m planning on using it to make cookbooks, and building a little CSS/jQuery template along the way.