Kahla is designed for commercial use. the service can be deployed inside your company and access to the full functionality of Kahla without internet.
Kahla faced almost all mobile and desktop platforms. Use only one app for quick access by any customer. Kahla also supports open in browser without installation.
Kahla supports end-to-end encrypted message communication and supports the automatic destruction of messages. Even if you don't trust Kahla's server, you can safely deliver secrets.