Based on our record, Slack Themes seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Check out https://slackthemes.net/ for some ideas. You can the copy paste the values to your preferences in Slack to make use of theme. Source: over 3 years ago
Sweet Themes - Color Themes for Slack
Hover Zoom - Enlarge thumbnails on mouse over.
Best Of Themes - The simplest way to browse thousands of website themes
Imagus - The extension is intended to complement image features that (I think) is missing from Opera by...
Rainglow Color Themes - 320+ color themes for a variety of editors and software.
Image Max URL - Help find larger or original versions of images, including a customizable image popup feature