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Built in the open.

Bring a bug, a fix or a plugin.

Fix something

Clone the repository you want to change. You need PHP and Composer. Open an issue before starting on something large.

Contributing guide
git clone https://github.com/letterncms/cms
cd cms
composer install
composer test

Write a plugin

Plain PHP and React, using the same abilities and blocks as Lettern’s own plugins.

Your first plugin
plugins/reading-time/
  composer.json
  src/ReadingTimePlugin.php
  admin/src/index.tsx

Publish a plugin

The store is open to authors by invitation. Every site running Lettern installs your plugin from its admin, for free.

Ask for an invitation

Every version

Signed

To install

Free

Show what you built

We’d like to feature real sites here, with your permission.

Send us your site