| AUTOPIT | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ Germany | |
| Chingari conversational APT | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | Conversational APT |
| IFAPT | ⊕ 1966 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Numerical Control | ⊕ Canada | Canadian adaptation of APT |