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
Swimmers may be withdrawn online before the meet or at the meet before the session withdrawal deadline by their coaches using their phones.
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.