| GRAP | ⊕ 1991 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | ||
| Haskell# | ⊕ 1991 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | Parallel dialect of Haskell | |
| PREDULA | ⊕ 1991 | ↓ ↑ ⊕ Experimental and other | ⊕ Pascals | ⊕ Sweden | Data-parallel Pascal |
| pSather | ⊕ 1991 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | parallel Sather | |
| RC | ⊕ 1991 | ↓ ↑ ⊕ Experimental and other | ⊕ France | Reactive C | |
| Real-Time Concurrent C | ⊕ 1991 | ↓ ↑ ⊕ Experimental and other | ⊕ CPL, BCPL and B | ⊕ United States | Real-time extensions to Concurrent C |