MailStore - MailStore Home - A 100% free single-private-user desktop solution
Maildroppa - Maildroppa is the GDPR-compliant email-marketing-app for bootstrappers and single-founders. In less than 5 minutes, you can set up beautiful sign-up forms and embed them right on your website without any coding skills.
MailSteward - MailSteward : The Ultimate E-mail Manager for Mac OS X
Search and Replace - Don't worry about those many files where you have to change a few things!
Gmvault - Backup the emails in your Gmail account.
Predis.ai Hashtag Generator - Predis.ai gives you a Free hashtag generator to boost your Instagram Posts. Generate hashtags by keywords, sentences or images.