activitypub

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13.02.2026 19:35
breathOfLife (@breathOfLife@infosec.exchange)

@dansup

are there any fediverse projects using more than one type of federation?

what are some good resources for implementing activitypub validly?
what languages should i learn?
what are good ways to test web application security on the cheap before deployment?
anything more i should be worried about?

i'm good at c, python and that's about it.

#fediverse #activitypub




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13.02.2026 18:57
almino (@almino@ursal.zone)

Introdução ao #ActivityPub

Precisamos separar três conceitos chave da especificação: Activity Streams 2.0, ActivityPub API e protocolo ActivityPub.

Activity Streams 2.0 é como se fosse uma enciclopédia ou gramática que contém as atividades sociais: alguém (ator) fez algo (atividade) em alguma coisa (objeto).

Já a API ActivityPub diz respeito a como um cliente (usuário) vai comunicar ao servidor (serviço) as atividades que está realizando.

Por último, vem o protocolo ActivityPub que é o responsável pela comunicação entre os servidores. É ele quem vai dizer como acessar as Activity Streams.

@ActivityPub




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13.02.2026 16:07
dansup (@dansup@mastodon.social)

Never before has it been this easy to leverage the fediverse across the web.

With @webintents and @socialwebgraph, you will be unstoppable 🚀

Available Soon.





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13.02.2026 15:47
csarven (@csarven@w3c.social)

@eyeinthesky I am genuinely curious. What do you mean by a "real" schema language? What criteria should it meet?

More specifically, what would constitute successful interoperability for #ActivityPub in line with the aims of #SocialWeb?

#JSONLD is not a schema language. It is a serialisation format for #ActivityStreams as the primary vocab for exchanging social activities, providing a foundation, and leaves room for extensibility for broad human needs to express social matters.




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13.02.2026 15:46
socialwebgraph (@socialwebgraph@mastodon.social)

Hello World!

We're building a social web alternative to open graph, powered by @webintents and @fedidb

The website and documentation will be published soon, stay tuned 🚀




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13.02.2026 13:29
stefan (@stefan@gardenstate.social)

can anyone help me find some graphics for social media alternatives that show the big social media logos and then the logo and name of the activitypub equivalent?

I know I have seen a few but suddenly can't find them.

#mastodon #activitypub




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13.02.2026 12:19
P4F_Hamburg (@P4F_Hamburg@climatejustice.global)

Nachtrag: Weiß jemand, warum dieser zitierte Beitrag als "nicht verfügbar" gelistet wird? Das ist unser eigener Blogeintrag, der über #ActivityPub hierher gespielt wird. Im Wordpress-Backend haben wir dafür nicht bewusst irgendwelche Beschränkungen eingestellt. @pfefferle vielleicht – was haben wir falsch gemacht?




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13.02.2026 12:17
NebulaTide (@NebulaTide@mastodon.bsd.cafe)

This morning I promoted nolto.social, a platform that was made - at least I thought so, to be a Fediverse based alternative to LinkedIn. As I'm getting more and more annoyed by LinkedIn and all the useless posts over there, I was happy to find an independent alternative.

nolto.social still worked this morning, but when I came back later; i found the project deleted and at least when you are viewing the website from your smartphone, you see a message from the developer of nolto.social where he states that this project was never meant to grow. Obviously this was just a one person project who became overwhelmed by the success of the platform and by the fact, that companies started creating profiles and nearly 1000 people joined within a short time period. But now it seems that this project ran out of control and the maintainer decided to pull the emergency break. He is also talking about negative feedback he received for the platform and even personal harrassment.

It is sad that a promising project like this had been terminated, but I can understand what made the maintainer doing so. Managing a business platform can become a fulltime job quite fast and it also requires technical ressources and money to run these resources.

I firmly believe that we need an alternative to LinkedIn. I believe that people don't want all this bullshit posts just created to please the algorithm and to generate likes and feedback. And I believe that people would like a business network which is nothing else than a business network - no space for bursting egos and self promotion, but a space for connection and serious discussion.

Fediverse would be the ideal space for this. But as we know, if business networks are successful, they require more and more attention, more ressources, more money. And at this is the problem. When you need money to run your social network, it's tempting to ask yourself how you could generate money by using the ressources you already have, which are user data...

I don't see a solution for this now, just sharing some thoughts.

#shutdown #activityPub #fediverseMoments #digitalCommons




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13.02.2026 11:46
smallcircles (@smallcircles@social.coop)

@lhaig

Nice! I have queued this up for inclusion in the delightful fediverse experience curated list.

delightful.coding.social/delig

#fediverse #ActivityPub #mastodon




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13.02.2026 11:38
smallcircles (@smallcircles@social.coop)

Hello @evan and @bifurcation .. a question.

For inclusion of #ActivityPub information resources on the delightful-fediverse-development curated list there is this (now expired) #IETF draft exploring #MIMI / #MLS versus AP. I find this draft to be well-written and informative, and thus the draft possibly a candidate for inclusion for people as additional background reading to the #SocialCG work on MLS. Unless there are so many changes since the creation of the draft that it may raise confusion, and should not be included. What is your opinion here?

ietf-wg-mimi.github.io/mimi-ar




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13.02.2026 06:47
waidler (@waidler@bayerwald.social)

Der Ghost Blog BLOG.BAYERWALD.SOCIAL hat inzwischen auch sein Fediverse Handle bekommen.

@index

und ist damit als Instanz vollständig ins Fediverse eingebunden.

#fediverse #activitypub #ghost
#bayerwaldsocial #blog





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13.02.2026 05:49
eyeinthesky (@eyeinthesky@mastodon.social)

🤷‍♀️ Why? 🤪

Hopefully the SocialWG will adopt a real schema language. 🙏




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