Lucidchart is an online diagram tool that enables users to easily visualize complex information through flow charts, mind maps and other diagram types. Multiple users can work together simultaneously to edit a document. Lucidchart integrates with many platforms including Google Apps/Drive, Confluence, JIRA, Slack, ec. Free accounts are provided for educational use.

Google Docs is an online environment for editing and sharing documents, spreadsheets, presentations, forms, drawings, and tables. Google Docs documents can be public or private, or shared with anyone with a Google account, e-mailed, or downloaded in various formats, including conversions to PDF and other formats not identical to the original or to the proprietary format used at creation. Designated people with whom items are shared can be given permission to comment or edit the files, thus providing a quick way to collaborate on creating and editing documents and presentations.

Afloat is a utility that adds new window management functionality to OSX, including keeping a window on top, or turning a window into an overlay on the screen. This can be particularly useful in full-screen view (e.g. during a presentation) when you want to keep another small window, such as a Twitter client, visible somewhere on the screen.