vosonSML R package
vosonSML is an R package that provides a suite of tools for collecting data across popular platforms (Twitter, YouTube, and Reddit) and generating different types of networks for analysis.
Bryan Gertzel is the lead developer and maintainer of vosonSML. vosonSML was originally created by Tim Graham and Robert Ackland, with contributions Chung-hong Chan.
Obtaining API access (Twitter and Youtube)
This page provides some information on how to get API credentials for Twitter and Youtube.