- Weave — web-based visualization platform designed to enable visualization of any available data by anyone for any purpose. GPL and MPL-licensed. (via Flowing Data)
- Flotr2 — MIT-licensed Javascript library for drawing HTML5 charts and graphs. It is a branch of flotr which removes the Prototype dependency and includes many improvements. (via Javascript Weekly)
- What Silicon Valley Gets Wrong About Math Education Again And Again (Dan Meyer) — nicely said: it’s hard to test true understanding, easy to automate only part of the testing and assessment support for learners.
- mitmproxy — GPLv3-licensed SSL-aware HTTP proxy which lets you snoop on the traffic being sent back to the mothership from apps.

Four short links: 9 February 2012
Web-based Visualization, Javascript Charting, Automating Education, Sniffing HTTP(S)
tags: charting, education, javascript, open source, programming, security, startups, visualisation, web