Top 5 vertical open source projects

A beautiful and powerful SeekBar what supports single、 range、steps、vetical、custom（ 一款美观强大的支持单向、双向范围选择、分步、垂直、高度自定义的SeekBar)

flutter vertical marquee

实现文字横竖向切换，实现各种文字的排版，可以某种程度上替代UILabel。

Responsive, jQuery-based vertical timeline generator

Timeline express allows you to create a vertical animated and responsive timeline of posts, without writing a single line of code. Sweet!