Exilian is a democratically-run online community for creative projects in variety of fields, self-described as "creative geekery", based around a forum and website. You can follow at:

➡️ @ExilianOfficial

The website (including forum) is at exilian.co.uk

Projects include video game and tabletop game development, RPGs, mod and map creation, artwork, writing, crafts and more.

Veloren is a free open source open world role playing game, sort of like a cross between Breath Of The Wild and Minecraft. You can follow at:

➡️ @veloren

There are online multiplayer options, and you can host your own server too.

It's available for Linux, Mac and Windows from the official website at veloren.net

Gareth Sleightholme is a freelance artist who creates incredibly detailed and spectacular art for comics, tabletop RPGs and other purposes, often with a fantasy theme. You can follow at:

➡️ @hesir

Sleightholme has a portfolio site at hesir.artstation.com

RPG in a Box is a role-playing game creation system with 3D voxel graphics. You can follow at:

➡️ @rpginabox

There's more info on the project at rpginabox.com

It's available for Linux, Mac and Windows through Itch (zeromatrix.itch.io/rpginabox).and Steam (store.steampowered.com/app/498).

Creators who use the system to make RPGs can sell or give them away as they see fit, no royalties required.

Veloren is a FOSS open world multiplayer RPG, sort of like a cross between Breath Of The Wild and Minecraft. You can follow the official account at:

➡️ @veloren

It's available for Linux, Mac and Windows from the official website at veloren.net

Veloren includes online multiplayer options, and you can host your own server if you want to.

Dungeons & Dragons auf Deutsch is a German-language site all about the D&D pen and paper role-playing game. You can follow at:

➡️ @dnddeutsch (in German)

Their website is at dnddeutsch.de

Godot Engine is a free open source game engine with support for 3D and 2D games. You can follow at:

➡️ @godotengine

It's available for Linux, Mac and Windows. You can download it from godotengine.org

"RPG in a Box" is an example of software created with Godot, you can follow at:

➡️ @rpginabox

It lets you create your own RPGs with isometric voxel graphics.

Mastodon

A newer server operated by the Mastodon gGmbH non-profit