Simon Willison’s Weblog

Ext Core 3.0 Beta Released. The Ext JavaScript team have just released the core library (similar to jQuery or Prototype) under an MIT license. The rich GUI elements that go on top are still under the GPL.

# 5th April 2009, 8:17 pm / mit, extjs, javascript, extcore, gpl, licensing, open-source

Proprietary Software Does Not Scale. I’ve been thinking this for a while: if you’re using software with a per-CPU license you can’t just roll it out as an image across a bunch of virtual machines when you need to.

# 18th November 2007, 12:30 am / proprietary, open-source, licensing, virtualisation