If you're concerned about how secure your data is with your cloud host, then you should consider taking a look at Proton ...

For most people, 2FAS Authenticator is the best authenticator app because it is free, needs no account, and backs up to iCloud or Google Drive. Aegis is the better choice for Android users who want ...

OnlyOffice is free to download on all compatible platforms and doesn't require registration unless you want to connect to cloud-based features. Most users will be fine with the free version, though ...