Bot Store - A marketplace for ready-to-customize chatbot templates.
CodeKeep - Codekeep lets you store and share bits of code and text with other users. Snippets can be organized into folders/labels for instant reuse.
StdLib - Discover pre-built APIs, compose your own and build apps
CodeMyUI - Handpicked code snippets you can use in your web projects
Gomix - The easiest way to build the app or bot of your dreams
Anyfiddle - Build, run and share code in any language from your browser