MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.
Publicate - Build Beautiful Emails. Export and Send Anywhere.
Mochi - Write notes and flashcards with Markdown and study them with spaced repetition.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
SmartCards+ - Spaced Repetition Software for iOS. Modern, powerful and easy to use.