| Soft1 SP E-Invoicing - Service Pack 300 | K.03.01 | SoftOne Technologies AE | https://www.softone.gr/rrf-soft1-products/ |
| Soft1 SP Retail E-Mark | K.03.01 | SoftOne Technologies AE | https://www.softone.gr/rrf-soft1-products/ |
| Diginet Edition eInvoicing Volume1 - 10.000 units / year | K.03.01 | Entersoft | https://www.entersoft.gr/electronic-invoicing/ |
| Diginet Edition eInvoicing Volume2 - 50.000 units / year | K.03.01 | Entersoft | https://www.entersoft.gr/electronic-invoicing/ |
| Diginet Edition eInvoicing Volume3 - 100.000 units / year | K.03.01 | Entersoft | https://www.entersoft.gr/electronic-invoicing/ |
