# Services

Nogle online services understøtter fri data bedre end andre.

**NB!**
Dette er en blot en beslægtet anbefaling til inspiration
(*ikke* en [data]-stjerne).

[data]: ../data#stjerner
  "5-stjernet data"


## Solid

[Solid] er et sæt spilleregler (en protokol) for services
til at lagre, udveksle og behandle 5-stjernet data.

[Solid]: https://solidproject.org/about#data
  "Solid - You can store any kind of data in a Solid Pod"


## Local-first

> "local-first software":
> a set of principles for software
> that enables both collaboration *and* ownership for users.
> [...]
> The key difference between traditional systems and local-first systems
> is not an absence of servers,
> but a change in their responsibilities:
> they are in a supporting role, not the source of truth.

Fra [Ink & Switch artikel] udgivet i 2019 om local-first principper,
som undersøger konkrete cases implementeret vha. [CRDT].

[Ink & Switch artikel]: https://www.inkandswitch.com/local-first/
  "Local-first software - You own your data, in spite of the cloud"

[CRDT]: https://en.wikipedia.org/wiki/Conflict-free_replicated_data_type
  "Wikipedia-artikel (engelsk) om Konflikt-fri replikerede datatyper (CRDT) indenfor distribuerede systemer"

Se også [nyere artikel] fra 2023 om professionelle skribenter som case.

[nyere artikel]: https://www.inkandswitch.com/upwelling/
  "Upwelling -Combining real-time collaboration with version control for writers"