Web excursions are select bookmarks from Brett's travels around the internet. You can see them all on Pinboard. Visit the bookmarks page for previous Excursions.

Web Excursions for February 16, 2015

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Web excursions brought to you by MightyDeals.com, featuring great deals on software, training, and design resources.

A successor to Mjolnir, Hammerspoon is powerful, Lua-based automation for your OS X.
Risky Business – MacSparky
David Sparks is the only lawyer I’ve ever enjoyed working with, and I’ve really enjoyed it. He’s taken the plunge and gone indie, with his MacSparky projects, the Field Guides series (including the 60 Mac Tips multimedia book we published together), and an independent law practice. Join me in wishing him the best of luck in the venture!
GitHut - Programming Languages and GitHub
An interesting visualization of programming languages and their respective activity on GitHub. Built using GitHub Archive (check out the links at the bottom of that page for more interesting data usages).
Workflow 1.1: Deeper iOS Automation
The usual in-depth and highly informative review from Federico Viticci over at MacStories. Workflow 1.1 adds a lot more to the iOS automation app than I would have expected for an incremental update.
A tool for embedding JavaScript in images. While the XSS attack possibilities might be a little scary, the fact that you can usually load an image using XMLHttpRequest where security settings prevent you from loading a script opens up a lot of cool scripting/bookmarklet options. Available through Homebrew.