Betterbird is a fine-tuned version of Mozilla Thunderbird, Thunderbird on steroids, if you will.

Betterbird is better than Thunderbird in three ways: It contains new features exclusive to Betterbird, it contains bug fixes exclusive to Betterbird and it contains fixes that Thunderbird may ship at a later stage.

KeePassDX is an open-source password manager for Android. It allows you to securely store and manage your passwords in a single encrypted file.

With KeePassDX, you can edit encrypted keys and digital identities, fill out forms securely, and ensure your data remains private.

The app is compatible with other KeePass products and offers a high level of security and interoperability.