Swimming software keeping things simple.

Swimming Officials' sign-up
Software for swimming officials to sign-up for meets. Job allocations can be managed by the meet's lead referee and officials' availability monitored by the officials' coodinator.
Swimming Volunteers' sign-up
Non-technical volunteers' may sign up here. There is a different set of jobs and options. Usually a different person will administer the non-technical volunteers system.
Swimmer withdrawals
A central place to store and process all the swimmer withdrawals.
Open water officials' and volunteers' sign-up
Open water jobs and all the features required by open water event organisers.
Artistic swimming officials' and volunteers' sign-up
Functionality for artistic swimming meets.