Selenium Shots is an Integration Testing Service that transparently distributes your integration tests across multiple operating systems with different versions of all major browsers AND captures a screen shot
gyast takes a screen capture and upload to gist.
captures screenshots of web pages
Allows website visitors to send annotated screen captures back as feedback. This gem wraps up the feedback.js library as a very simple gem.
Ruby wrapper for ios/android screen capture using simctl/adb screenshot/screenrecord.
Ruby interface for fetching Android real-time screen capture data via minicap.
A crude script to turn a video captured using Quicktime's Record Screen function and turn it into a gif.