Recovery Toolbox for Outlook helps restore e-mails, appointments, attachments, contacts, tasks, notes, calendars, journals and other from damaged PST or OST files from Microsoft Outlook.
Cleanfox lets you keep your inbox clean by helping you unsubscribe and delete old newsletter emails in your inbox.
Rambox makes it easier to manage accounts for various services on your computers.
Inboxer is an unofficial desktop app for Google Inbox that lets you access your Inbox emails from your desktop machine.
unsubscribe.robot lets you unsubscribe from any email listings by just forwarding the promotional email to their email address.
If you spend a lot of time on introduction emails, let IntroSender help you save time by letting you quickly introduce people you know with its web and email service.
Are you sick of using an old-dated email client? Try Spark as it is a beautiful, intelligent, and modern email client that helps you manage your emails with more efficiency on your Mac machine.
ProtonMail offers a fully secure and end-to-end encrypted email service that ensures your emails are transmitted in the most secure way available on the Internet.
Mozilla Thunderbird is an email client with tons of features for Windows, Mac, and Linux.