Introbar - Welcome and entice visitors from specific sources with an IntroBar.

http://introbar.com/

Access all your coding documentation in one place, always up-to-date. Includes snippet library triggerable via abbreviations.

https://kapeli.com/dash

Cross-platform notebook for your code snippets. Supports highlighting, side by side notes (eg, HTML vs Javascript) and markdown.

https://b00st.io/

Anime is a flexible yet lightweight JavaScript animation library. It works with CSS, Individual Transforms, SVG, DOM attributes and JS Objects.

http://anime-js.com/