This site ( core.wp-a2z.org ) will only contain the blocks delivered in WordPress core. For a list of other blocks see blocks.wp-a2z.org.

Notes

• There are many more blocks to be added to this list.
• In the mean time why don’t you just use WordPress ( 5.0 or above ) and/or Gutenberg to find out about the core blocks yourself?
• The Gutenberg plugin may contain some new blocks that are not yet in core.