- An Airtable of various authoring environments, including many VPLs and similar tools.
- A Tumblr collecting examples of large or messy Blueprint scripts.
- A nicely organized book of screenshots of programming tools, with a chapter devoted to "Visual Interfaces" including "Node-Based (Graph), Interaction Prototyping, Prototyping & Development Tools, Design-Development Toolchain Integration, 'Low Code' Environments, Dynamic Modelling Tools". A lot of other sections of the book will be of interest, including sections on "Games as Authoring" and "Visible State Editors".
- A fantastic slide deck assembled by Jonathan Edwards
- Discussed on HN here and here
- Assembled by Francis Tseng
- Another Tumblr with VPL messes.
- Assembled by Eric Hosick