| ABC | ⊕ 1967 | ↓ ↑ ⊕ Experimental and other | Markovs | ⊕ Russian Federation | Experimental extensible language |
| AEPL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | Markovs | ⊕ Israel | An Extensible Programming Language |
| PANON | ⊕ 1962 | ↓ ↑ ⊕ String and List Processing | Markovs | ⊕ Italy | Markov-pattern-directed string processing languages |
| PANON-1 | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | Markovs | ⊕ Italy | Markov-pattern-directed string processing language |
| Poplar | ⊕ 1978 | ↓ ↑ ⊕ String and List Processing | Markovs | ⊕ United States | Text manipulation language |
| PUSHUP | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | Markovs | ⊕ United States | |
| SCL | ⊕ 1962 | ↓ ↑ ⊕ On-Line | Markovs | ⊕ United States | Symbolic Communication Language |
| Selma | ⊕ 1969 | ↓ ↑ ⊕ Specialised Languages | Markovs | ⊕ United States | Markov network analysis system |
| SNOBOL | ⊕ 1962 | ↓ ↑ ⊕ String and List Processing | Markovs | ⊕ United States | String processing language |