Foundation for Emails vs Sendwithus
Foundation for Emails
get.foundationSendwithus
sendwithus.comSide by side
| Figure | Foundation for Emails | Sendwithus |
|---|---|---|
| Price from | Free | $149/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | — | Yes |
| Self-hosted | Yes | — |
| Plans published | 2 | 4 |
| Spec score · Email Template Software | 8.8 (#4) | 8.0 (#11) |
| Email testing | The template includes an npm run litmus command that requires AWS S3 configuration. | It supports built-in content and design A/B testing for transactional, triggered, and marketing emails. |
| Headquarters | Campbell, California, United States | The product page lists an address in Vancouver, British Columbia, and another in San Francisco, California. |
| Release news | GitHub lists Foundation for Emails 2.5.1 as the latest release and records v2.5.0 improvements for modern Sass, Apple Silicon and newer Node builds. | A release note dated April 2, 2026 announced autosave for email, SMS, push and voice builders, Dyspatch University and workspace-scoped image-library folders. |
| Support | The inliner page directs users to email [email protected] or open an issue on the Foundation for Emails GitHub repository for help. | The maker provides email support, a knowledge base and account-management help articles, with premium support listed only for Teams+. |
| What it does | Foundation for Emails is a framework for building responsive HTML email that targets major clients, including Outlook. | Sendwithus lets teams create, optimize, personalize, test and manage transactional emails outside application source code. |
Plans
Foundation for Emails
- Foundation for EmailsFree
- Open-source Foundation for EmailsFree
Sendwithus
- Starter$149 a month
- Teams$499 a month
- SendwithusPriced on request
- Teams+Priced on request
In their own words
Foundation for Emails
Foundation for Emails is a free, open-source web framework for creating responsive HTML emails. It is aimed at marketing, promotional, drip campaign, and transactional messages, with designs intended for major email clients including Outlook. The collection includes 11 customizable templates for newsletters, orders, password resets, and welcome messages. Its responsive grid can stack content on small screens and adjust padding and row width for mobile devices. Inky lets developers write tags such as and , which become email table markup. The ZURB Email Stack combines Gulp, Sass, Inky, an inliner, BrowserSync live reloading, and automatic image compression. Panini layouts and Handlebars partials support reusable headers, footers, and other content. The inliner embeds CSS into style attributes, moves media queries into the body, and compresses output. The CSS version is a ZIP download; the Sass version has a build process requiring Node.js. HTML is the listed export format.
Sendwithus
Sendwithus has no write-up on Specifiction yet; its figures are above.