Microsoft Office Outlook
Commercial
Microsoft Outlook is a personal information manager from Microsoft.
TypeApp
Free Personal
TypeApp is a mobile email client app.
K-9 Mail
Open Source
K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures.
Compare Thunderbird with alternatives
Compare Microsoft Office Outlook and Thunderbird and decide which is most suitable for you.
Compare K-9 Mail and Thunderbird and decide which is most suitable for you.
Compare TypeApp and Thunderbird and decide which is most suitable for you.