| Language | Paradigms | First appeared | Developer |
|---|---|---|---|
| ECLiPSe | constraint programming | 1992 | European Computer-Industry Research Center |
| Hare | — | — | Drew DeVault |
| Next Byte Codes | — | — | — |
| Pike | procedural programming, object-oriented programming, functional programming | 1994 | — |
| XML User Interface Language | — | 1999 | Mozilla Foundation |