UI Test — Web development tools — rollup of general, analysis, SEO and SEM, validation, accessibility, network and security, performance.
Chrome Daltonize — Exposing details to color-blind users, allowing them see what they otherwise would have missed.
Chrome Window Resizer — Resize browser window to emulate various screen resolutions.
Comcast — Simulating troublesome network connections so you can build better systems.
Erli bird — Recruit beta testing iOS and Android apps, websites, and gadgets.
Hamms — Elicit failures in your HTTP Client — connection failures, malformed response data, slow servers, fat headers, etc.
Map Latency — Check latency, ping, DNS, page load from multiple locations.
NetSpotApp — WiFi site survey software for MacOS & Windows.
Object Debugger — Test Facebook Graph links on a URL.
Website Speed Test — Website speed test with a focus on image loading times.