| Brooker Autocode | 1953 | Multi-purpose | Early Autocodes | United Kingdom | Machester Mark I autocode |
| EDSAC Autocode | 1953 | Excluded from Sammet | Early Autocodes | United Kingdom | Autocode for EDSAC 2 |
| Nicholas coding scheme | 1953 | Excluded from Sammet | Early Autocodes | United Kingdom | Autocode for the Nicholas system |