All images for visual supports on this site are from open source, royalty-free sources. The current vocabulary/image library that fuels the activities on Language Playroom has over 3,000 entries, so the source varies.
The entire site is maintained by one CCC-SLP speech-language pathologist with a beginner-level knowledge of HTML, CSS, and JavaScript. The code of this site is a combination of elements made from other coders made available online, as well as code written by the site's administrator.