Accessible Component Libraries
Deque University Code Library
Accessible Components by Scott O’Hara
Inclusive Components by Heydon Pickering
US Web Design System Components
Gov.UK Design System Components
Adobe React ARIA
Note that the table component here is actually a grid, meant for spreadsheet-style apps where every cell is interactive. This is not appropriate for a read-only (or read-mostly) table, even though that’s what they use in the demos.
Visa Chart Components