| Language | Appeared | Type system | Languages it influenced |
|---|---|---|---|
| Beatnik | 2001 | — | — |
| Factor | 2003 | dynamic typing, strong typing | — |
| Forth | 1970 | typeless | 10 |
| Joy | 2001 | dynamic typing, strong typing | 2 |
| PostScript | 1982 | dynamic typing, weak typing | 1 |
| RPL | 1984 | — | — |
| Script | — | — | — |
| Uiua | — | — | — |
| WebAssembly | 2015 | — | — |