| IDMS | ⊕ 1981 | ↓ ↑ ⊕ Experimental and other | ⊕ 2d shape | ⊕ United States | Pictorial query language |
| microAPL | ⊕ 1981 | ↓ ↑ ⊕ Experimental and other | ⊕ Array | ⊕ United States | Microprogramming APL Dialect |
| SL | ⊕ 1981 | ↓ ↑ ⊕ Experimental and other | ⊕ Tree | ⊕ United States | Structure Language |
| SUSL | ⊕ 1981 | ↓ ↑ ⊕ Experimental and other | ⊕ Tree | ⊕ United States | Selective Updating Structure Language |