Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.

Digit - SMS bot that monitors your bank account & saves you money

MJML - The open source framework for responsive emails

Quicken - Stay in control of your monthly cash flows, budgets, and expenditures. Quicken provides a navigable interface where you can organize your debit, credit, and savings, and build good habits accordingly.

Stripo - Stripo is an all-in-one email design platform. We enable our clients to build emails of any complexity, including interactive AMP emails, really fast and easy.

Money Manager Ex - Money Manager Ex is a free, open-source, cross-platform, easy-to-use personal finance software.