Tsunami — a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence. From Google.
Quotebacks — like a quote retweet, but for any piece of content on the web. They work on any webpage, and gracefully fall back to a standard blockquote. (via Matt Webb)
Scrapoxy — hides your webscraper behind a cloud. It starts a pool of proxies to relay your requests. Now, you can crawl without thinking about blacklisting!
