a list of strings which have a high probability of causing issues when used as user-input data.

Mailtrap is a fake SMTP server for development teams to test, view and share emails sent from the development and staging environments without spamming real customers.

Creates docs, tests, validations and more for your API

Personality and behavioural assessment tools

via Amazon EC2 instance running Hudson. Author uses Cucumber and RSpec for his tests.

Useful new tool for testing mobile apps that emulates a slower network connection, with presets for 3G and Edge. Comes with Lion/XCode 4.1.

See how quickly a page loads in a remote browser. Includes a waterfall chart (web inspector?) and screenshots captured throughout the loading process.

Mac app that acts as a pretend SMTP server, capturing email content so you can see how it would be delivered

What all the cool kids are using for tests

Video presentation on Rails testing: TDD and BDD with RSpec

Speed/validity tests for major Javascript frameworks (Prototype, jQuery, MooTools, ext, cssQuery, dojo). In my browser Prototype wins.

Library for mocking and stubbing with a Rails test case - even on real classes and instances, such as AR instance methods

Sexy Flash bandwidth visualisations