Tenpin - description from Softdepia.com:
TENPIN is a Bowling League Secretary program developed for Windows 3.1+. Features include data entry as per bowling score sheets, a standing sheet that may be edited on screen, and many recap and summary features. This program will handle data for 1. Up to 36 Teams. 2. Each team has 4 bowlers but may have multiple team members.
3. Unlimited number of subs. 4. 3 League games per week. 5. Scratch or handicap leagues. 6. Position rounds and split season. 7. Various point systems for Games Won and Total Pins.
Tenpin is a "Free to try" program. You can download and try it for an evaluation period.