---
marp: true
author: kiara@tech.lgbt
title: fediversity
theme: uncover
style: |
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---

# fediversity

![](https://fediversity.eu/wp-content/uploads/2024/12/ngi_fedi_full.svg)

---

## me

- [@kiara@tech.lgbt](https://tech.lgbt/@kiara)
- codeberg: [@kiara](https://codeberg.org/kiara)
- github: [@KiaraGrouwstra](https://github.com/KiaraGrouwstra)

![bg right](assets/kiara.jpg)

---

<!-- ## [fediversity](https://git.fediversity.eu/Fediversity/Fediversity) -->

<!-- ![bg right](assets/git.png) -->

<!-- --- -->

## [fediversity](https://fediversity.eu/)

![bg right](assets/website.png)

---

## demo

<!-- <video controls> -->
  <!-- <source src="https://git.fediversity.eu/Fediversity/intra/raw/branch/main/2025-03-09_mvp-demo.mp4" type="video/mp4"> -->
<!-- </video> -->

---

## result

- [mastodon.fediversity.eu](https://mastodon.fediversity.eu/)
- [pixelfed.fediversity.eu](https://pixelfed.fediversity.eu/)
- [peertube.fediversity.eu](https://peertube.fediversity.eu/)

---

## project partners

- [NLNet](https://nlnet.nl/)
- [NORDUnet](https://nordu.net/)
- [Tweag](https://www.tweag.io/)
- OIDF

---

## initiator

[koen@procolix.social](https://procolix.social/@koen)

![bg left](assets/koen.png)

---

## here: procolix

![](assets/procolix.png)

---

<!-- ## [NGI](https://ngi.eu/) -->

![](https://fsfe.org/graphics/logos/ngi.png)

---

## [NGI](https://ngi.eu/): an internet of trust

![](https://ngi.eu/wp-content/uploads/2025/06/Key-visual-V1_Thanks-for-being-part-2048x1152.jpg)

---

## digital sovereignty

---

## [mockup](https://www.figma.com/proto/AZbFAac2Xjxs3q1H3orXzO/Fedi-Design-system?page-id=97%3A1682&node-id=97-2284)

![bg right](assets/mockup.png)

---

## positioning

| &nbsp; | target | portable | autonomous | maintenance-free | integrated | easy to use |
|-|-|-|-|-|-|-|
| **Fediversity** | ProxmoX | ✅ | ✅ | ✅ | ✅ | ? |
| upstream managed services | software-as-a-service | ✅ | ❌ | ✅ | ❌ | ✅ |
| Containers | containers | ? | ✅ | ? | ❌ | ? |
| [Yunohost](https://yunohost.org/) | Debian | [❌](https://doc.yunohost.org/admin/backups/migrate_or_merge_servers/#migrate-a-server) | ✅ | ❌ | ✅ | ✅ |
| [NixOS](https://nixos.org/) | bare-metal/VM/container | ? | ✅ | ✅ | ❌ | ❌ |
| [SelfHostBlocks](https://github.com/ibizaman/selfhostblocks) | bare-metal/VM/container | ? | ✅ | ✅ | ✅ | ❌ |
| [SelfPrivacy](https://selfprivacy.org/) | hetzner/digitalocean VM | [?](https://selfprivacy.org/docs/about-us/roadmap/#automatic-backups) | ? | ✅ | ✅ | ✅ |
| [Clan](https://clan.lol/) | bare-metal/VM targets | ? | ✅ | ✅ | ❌ | ? |

---

## apps

- [mastodon](https://joinmastodon.org/)
- [pixelfed](https://pixelfed.org/)
- [peertube](https://joinpeertube.org/)
- [matrix](https://matrix.org/)
- ...

---

## nixos module ❄️

![](https://git.fediversity.eu/Fediversity/meta/raw/commit/d2240a2d23e33f9ac325e3805ab9e8573e763e88/architecture-docs/architecture.png)

---

## host setting

![](https://git.fediversity.eu/Fediversity/meta/raw/branch/main/architecture-docs/host-architecture.png)

---

## interactions

![](https://git.fediversity.eu/Fediversity/meta/raw/branch/main/architecture-docs/interactions-migration.png)

---

## tech stack (so far)

- [NixOS](https://nixos.org/)
- [Garage](https://git.deuxfleurs.fr/Deuxfleurs/garage)
- [ProxmoX](https://proxmox.com/)
- [NixOps4](https://github.com/nixops4/nixops4)

---

## challenges

- [data portability](https://git.fediversity.eu/Fediversity/Fediversity/issues/100)
- [reproducible provisioning](https://git.fediversity.eu/Fediversity/Fediversity/issues/99)
- [propagating schemas](https://git.fediversity.eu/Fediversity/Fediversity/issues/195)
- [configuration UIs](https://git.fediversity.eu/Fediversity/Fediversity/issues/143)
- [scaling to nixpkgs `services`](https://git.fediversity.eu/Fediversity/Fediversity/issues/369)

---

## ❄️ users be like

friend: \*calls NixOS _fairly accessible_\*

meanwhile, colleague:

> [we'd need to be able express "side effects" in the "modular" function application](https://github.com/ibizaman/selfhostblocks/issues/467#issuecomment-2955767245)

---

## tech stack (wip)

- [Vars](https://clan.lol/blog/vars/)
- [OpenTofu](https://opentofu.org/)
- [SelfHostBlocks](https://github.com/ibizaman/selfhostblocks)
- [Nix JSON Schema converter](https://clan.lol/blog/json-schema-converter/)
- [npins](https://github.com/andir/npins)

<!-- --- -->

<!-- ## how we use nix -->



---

## devs

- [@fricklerhandwerk](https://github.com/@fricklerhandwerk) (Valentin Gagarin)
- [@Niols](https://github.com/@niols) (Nicolas Jeannerod)
- [@KiaraGrouwstra](https://github.com/KiaraGrouwstra) (me)
- ... (you?!)

---

## contact us

- matrix: [#fediversity:fediversity.eu](https://matrix.to/#/#fediversity:fediversity.eu)
- mastodon: [@fediversity@mastodon.fediversity.eu](https://mastodon.fediversity.eu/@fediversity)
- mail: [contact@fediversity.eu](mailto:contact@fediversity.eu)

---

## PRs welcome 😄

![bg right](assets/git.png)