In some cases we've been building tools that are specific to Linux for the desktop, and they only work on Linux, but I see two major projects that are wildly, wildly successful: Mozilla and OpenOffice, and those two programs are cross platform. ↗
We used to speak familiarly of an agent, now do more, who was accustomed to manufacture evidence, and to invent facts in his cases, or at least to alter the aspects of facts to such an extent that they might fairly be viewed as new. ↗