Training exercises providing automated feedback

Multiple language support: SQL, Java™, shell, ...

Text based authoring interface

<dependency>
  <groupId>org.junit.jupiter</groupId>
  <artifactId>junit-jupiter-engine</artifactId>
  <version>6.1.3</version>
</dependency>

API docs https://docs.junit.org/6.1.0

mvn dependency:resolve-sources yields junit-platform-launcher-6.0.3-sources.jar

The reveal.js allows for browser based presentations

Using HTML 5, CSS 3 and JavaScript

Extensible plugin architecture

Touch support

Customizable transitions

Vertical slides

Code highlighting by virtue of highlight.js

Code animations

Slides overview

Auto animations across slides

Touch support

Fragments

Configurable slide transition styles

Configurable backgrounds and transitions

PDF handouts (Do you really need those??)

Custom events supporting own extensions

Markdown support

Mathjax based math support

Low level HTML / JavaScript editing

Direct editing unsuitable for non-programmers

Alternative: Slides editor (commercial)

Creating an XML editor providing a restricted feature set

Generating reveal.js presentations based on profiles

Support for images, animations, source code and math.