Free cloud (aka Startup tariff). Document editors with basic functionality + all ONLYOFFICE modules for teams of up to 10 users. When you create a cloud office you automatically start a free Business cloud trial. Later, if you decide not to purchase the subscription, you will be switched to the free Startup tariff.
Business cloud. Doc editors with pro features + all ONLYOFFICE modules for teams of up to 1,000 users + advanced administration options (LDAP, SSO, autobackups, tracking users actions, etc.). $4 user/month
Personal portal. Free and safe personal space for storing and editing documents, spreadsheets, and presentations online. For 1 user.
If you have questions, post them below!