Create Block Theme
Expands the export function of the FSE editor
https://wordpress.org/plugins/create-block-theme/

EditorsKit
Expands block controls
https://wordpress.org/plugins/block-options/

Blocks Animation
Adds CSS animation to blocks – spotty performance in mobile
https://wordpress.org/plugins/blocks-animation/

Flip Box Block
CSS flipbox effect in flexible block
https://wordpress.org/plugins/flip-box-block/

Gutena Accordion
simple accordion block
https://wordpress.org/plugins/gutena-accordion/

Gutena Tabs
simple tabs block
https://wordpress.org/plugins/gutena-tabs/

Safe SVG
Enable SVG uploads and sanitize them to stop XML/SVG vulnerabilities
https://wordpress.org/plugins/safe-svg/

The Icon Block
add SVG icons and graphics
https://wordpress.org/plugins/icon-block/

Block Visibility
control which blocks are visible on your website and who can see them
https://wordpress.org/plugins/block-visibility/