Shards UI Kit vs Bootswatch: What are the differences?
Developers describe Shards UI Kit as "A free and modern UI kit based on Bootstrap 4". Shards is a free and modern Bootstrap 4 UI toolkit that comes packed with 2 pre-built landing pages and 11 custom components. On the other hand, Bootswatch is detailed as "Free themes for Bootstrap". Simply download a CSS file and replace the one in Bootstrap. No messing around with hex values.
Shards UI Kit and Bootswatch can be primarily classified as "Bootstrap" tools.
Shards UI Kit and Bootswatch are both open source tools. It seems that Bootswatch with 11.5K GitHub stars and 3.2K forks on GitHub has more adoption than Shards UI Kit with 1.43K GitHub stars and 160 GitHub forks.