- cert：cert is part of fastlane: The easiest way to automate beta deployments and releases for your iOS and Android apps.
- pem：Makes sure a valid push profile is active and creates a new one if needed
- sign：sigh can create, renew, download and repair provisioning profiles (with one command). It supports App Store, Ad Hoc, Development and Enterprise profiles and supports nice features, like auto-adding all test devices.
- produce：produce creates new iOS apps on both the Apple Developer Portal and iTunes Connect with the minimum required information.