This is a bit hacky and searches for repos containing the string .duckdb_extension, so it's not 100% reliable. Extensions that are not included in the DuckDB core (and are not listed in the output ...

1984 Topics poke, data, inv, gosub, atari, atascii, goto, program, data data, graphics, super textplot, keyboard code, machine language, programming hints, character set, atari character, advanced ...