Amplitude has an iteractive support documentation for developer which is almost like a code learning platform like CodeAcademy. It has a 3 column layout where listing sections are leftmost panel, read ...
Hotjar has a 2 column layout for article pages with a combination of pink and green colors. Instead of using bullet points, they are using Step tags.
Fullstory has 2 column layout for their help articles where their is an easy navigation for the related articles on the right and numbered list explaining features with big images on the left.
