This class of program allows a supervisor to use seniority and other criteria to grant vacation requests while maintaining the necessary "coverage" even during popular vacation periods. Some candidate programs include:
| Manufacturer | Product | Market % | Features | Price | Support |
| R:2 C:1 | R:2 C:2 | R:2 C:2 | |
R:2 C:2 | R:2 C:2 |
| R:3 C:1 | R:3 C:2 | R:3 C:2 | R:3 C:2 | R:3 C:2 | R:3 C:2 |
| R:4 C:1 | R:4 C:2 | R:4 C:2 | R:4 C:2 | R:4 C:2 | R:4 C:2 |
| R:5 C:1 | R:5 C:2 | R:5 C:2 | R:5 C:2 | R:5 C:2 | R:5 C:2 |
| R:6 C:1 | R:6 C:2 | R:6 C:2 | R:6 C:2 | R:6 C:2 | R:6 C:2 |
| R:7 C:1 | R:7 C:2 | R:7 C:2 | R:7 C:2 | R:7 C:2 | R:7 C:2 |
| R:8 C:1 | R:8 C:2 | R:8 C:2 | R:8 C:2 | R:8 C:2 | R:8 C:2 |