postcard vs keila
Self-hosted publishing and newsletter tools compared
postcard combines a personal website, blog, and newsletter, while keila focuses on newsletter campaigns and subscriber sign-up forms. postcard emphasizes an owned publishing home; keila offers campaign tools with hosted and self-hosted options.
postcard: Create a Personal Website and Newsletter
Postcard is a self-hostable Rails app for publishing a personal website, blog posts, and an integrated newsletter. It suits people who want an owned online presence and mailing list instead of relying on social media.
keila: Create and Send Newsletter Campaigns
Keila is a newsletter platform for creating campaigns and sign-up forms, with options to send through an existing inbox or supported email delivery services. It suits teams that want a hosted service or the option to run their own instance.
| postcard | keila | |
|---|---|---|
| Language | Ruby | Elixir |
| License | GPL-3.0 | AGPL-3.0 |
| Stars | 600 | 2.2k |
| Forks | 45 | 173 |
| Last analyzed | Oct 4, 2026 | Oct 3, 2026 |
Key differences
- postcard combines a personal site and blog with newsletter sending; keila centers on campaigns and sign-up forms.
- postcard supports solo and multiuser hosting, including custom domains and Stripe-based premium features; keila connects to inboxes or email delivery services such as SMTP, AWS SES, SendGrid, Mailgun, and Postmark.
- postcard is a Ruby on Rails application with requirements including PostgreSQL, libvips, Node.js, and npm; keila is written in Elixir and provides Docker deployment options.
- postcard is licensed under GPL-3.0; keila is licensed under AGPL-3.0.
- postcard describes solo self-hosting as its recommended path; keila also offers Keila Cloud alongside self-hosting.
- The supplied repository figures list 600 stars and 45 forks for postcard, compared with 2.2k stars and 173 forks for keila; both are unarchived.
Choose postcard if you…
- want a personal website, lightweight blog, and newsletter in one application.
- need a custom-domain publishing home and are prepared to operate a Rails application.
- plan to self-host a single site, or explore postcard's more involved multiuser setup.
Choose keila if you…
- need newsletter campaigns and sign-up forms without a personal website or blog as the focus.
- want to send smaller newsletters through an existing inbox or connect a delivery service for larger projects.
- want to try a hosted option or deploy with Docker or Docker Compose.
This comparison is generated with AI from the OSRepos analyses of both projects. Always check each project's repository and documentation before choosing.