Bootstrap

The classic CSS framework with ready-made components.

About Bootstrap

In Bootstrap’s own words: “Powerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins.”

Bootstrap is open source and is free to use.

People switching from Tailwind CSS often consider Bootstrap.

Bootstrap is an alternative to

Tailwind CSSSee all Tailwind CSS alternatives

Similar to Bootstrap

BulmaModern CSS framework based on Flexbox.
Chakra UIAccessible React component library.
Open PropsSupercharged CSS variables for consistent design.
Panda CSSBuild-time CSS-in-JS with type-safe styles.
UnoCSSInstant, on-demand atomic CSS engine.

Listed for information; LaunchStall isn’t affiliated with Bootstrap. The quoted description comes from getbootstrap.com. Features and plans change — check the official site for current details.