It seems to be a lighweight project. It's perfect for small projects!

A shared agenda for local communities.

Stack: Nuxt.js, Vue.js, Express, Node.js, Sequelize, Vuetify

A list of running instances is available at https://gancio.org/instances

The project is compatible with ActivityPub: https://gancio.org/federation

You will notice that underneath some links shared on Mastodon, the author byline can be clicked to open the author’s associated fediverse account, right in the app.

A new graph tag is created for it:
<meta name="fediverse:creator" content="@Gargron@mastodon.social" />