| AED | ⊕ 1963 | ↓ ↑ ⊕ Specialised Languages | ⊕ True ALGOL60s | ⊕ United States | Engineering flavour of ALGOL |
| ALGOL 60 Revised | ⊕ 1963 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ International | Revised report of IAL committee |
| ALGOL-GENIUS | ⊕ 1963 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ Sweden | ALGOL for SAAB |
| ECMA ALGOL | ⊕ 1963 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ International | |
| GIER Algol III | ⊕ 1963 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ Denmark | 3rd version of Naur's Gier algol |
| Kidsgrove Algol | ⊕ 1963 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ United Kingdom | |
| Syncretic | ⊕ 1963 | ↓ ↑ ⊕ Specialised Languages | ⊕ True ALGOL60s | ⊕ United States | Abstract Model Description Language |
| TALK | ⊕ 1963 | ↓ ↑ ⊕ Business Data Processing | ⊕ True ALGOL60s | ⊕ United Kingdom | EE Commercial Autocode |
| VALGOL | ⊕ 1963 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ United States | ALGOL subset |