| CDL3 | ⊕ 1998 | ⊕ Netherlands | Version 3Compiler Description Language | ||
| Cyclone | ⊕ 1998 | ⊕ United States | |||
| Euris | ⊕ 1998 | ⊕ Netherlands | |||
| FrameWork | ⊕ 1998 | ⊕ Japan | |||
| GJ | ⊕ 1998 | ⊕ United States | Generic Java | ||
| GReQL | ⊕ 1998 | ||||
| hHLDS | ⊕ 1998 | ⊕ Italy | homogeneous HLDS | ||
| IL | ⊕ 1998 | ⊕ United States | |||
| Kaleidoquery | ⊕ 1998 | ⊕ United Kingdom | |||
| LARD | ⊕ 1998 | ||||
| NDL | ⊕ 1998 | ⊕ Sweden | Narrative Description Language | ||
| OX | ⊕ 1998 | Matrix programming language | |||
| PCL | ⊕ 1998 | Modelling language | |||
| Protium | ⊕ 1998 | ⊕ Australia | Polymorphic language | ||
| STATEMATE | ⊕ 1998 | ⊕ 2D Statecharts | ⊕ Israel | ||
| TINT | ⊕ 1998 | ⊕ United States | Trac variant |