The following ILSes are currently integrated with SimplyE, although there might be differences among versions:
- Biblionix Apollo - SIP
- Koha - SIP
- III Sierra - SIP
- III Polaris - SIP
- TLC CARLX - SIP
- SirsiDynix Symphony - SIP
- SirsiDynix Horizon - SIP
The following ILSes are currently integrated with SimplyE, although there might be differences among versions: