Theia Sticky Sidebar
A JavaScript library that glues your website's sidebars (or any vertical column for that matter), making them permanently visible when scrolling up and down. Useful when a sidebar is too tall or too short compared to the rest of the content. Works with virtually any design and supports multiple sidebars.
WordPress
Also available as a premium WordPress plugin that comes with a user-friendly admin panel and supports a plethora of themes out-of-the-box.
