What are some alternatives?
When comparing highlight.js and Appbot, you can also consider the following products
Apache Tika - Apache Tika toolkit detects and extracts metadata and text from different file types.
Celery Project - Celery is an asynchronous task queue/job queue based on distributed message passing.
Bootstrap Table - Bootstrap Table has been designed to reduce development time and to require no specific knowledge from developers.
BlueDragon - Blue Dragon is an Action-Adventure, Role-playing, Turn-based and Single-player video game created by Artoon and published by Microsoft Games Studios.
code-prettify - Code Prettify is an embeddable script that makes source-code snippets in HTML prettier.
iTerm2 - A terminal emulator for macOS that does amazing things.