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Top 23 Activitypub Open-Source Projects
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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WriteFreely
A clean, Markdown-based publishing platform made for writers. Write together and build a community.
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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Plume
Federated blogging application, thanks to ActivityPub (now on https://git.joinplu.me/ — this is just a mirror)
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Interestingly there is some discussion for Mastodon with people asking the limit to be smaller, which raises the question as to the purpose of alt text, and how to properly handle larger text lengths in screen reader programs.
https://github.com/mastodon/mastodon/issues/12268
Project mention: Reddit must share IP addresses of piracy-discussing users, film studios say | news.ycombinator.com | 2024-01-14Lemmy is like Reddit and here because it has threaded comment discussions.
It's also federated, so you can pick a server you like and have discussions with users from various servers together.
https://join-lemmy.org/
Some Reddit apps switched to supporting Lemmy instead when they were kicked off the API.
Project mention: YouTube's search function is atrocious now [video] | news.ycombinator.com | 2024-02-21
Currently contributing to Pixelfed project to gain experience: https://github.com/pixelfed/pixelfed/pulls?q=is%3Aclosed+is%...
Project mention: One of the greatest user interface disasters in history | news.ycombinator.com | 2023-11-29Mastodon is a microblogging service, so not meant for large bodies of text. This is why the text entry box is small, the columns are somewhat narrow (especially in deck mode) etc.
Platforms like https://writefreely.org/ , which are designed to be for blogging and long-form writing, are the place to write this. Write Freely federates so one can follow accounts and interact with posts via Mastodon etc.
Honestly if a server allows free login, then it shouldn't matter how the donations are spent, the admins are probably at a loss anyway. I've seen large phpBB forums run on donations for a long time, so maybe federated socials can work too. One unfortunate thing I've noticed from running a single-user GoToSocial instance is that it consumes a lot of storage, I'm getting 8Gb just from myself and the instances I follow. This could be brought down with more agressive cache settings, but it still shows that people using these new social media still have habits from Twitter or Reddit, where bandwidth and storage is paid for by advertisers, and don't realize how many gigabytes they're casually moving around. I really hope this won't be the downfall of the Fediverse.
Project mention: Bookwyrm – the federated social network for reading books | news.ycombinator.com | 2023-07-19It’s got a very ideologically-driven focus, including an anti-capital source license:
https://github.com/bookwyrm-social/bookwyrm/blob/main/LICENS...
I think the focus on federation is to encourage small, decentralized and communally operated sites that play well with the broader fediverse. I can see that working well for a lot of book communities!
Also, spent a bit of time a few weeks ago and it already seemed to have the nicest UX of the open social book services, at least that I could see (would love recs - mostly interested in a personal tracker).
Jerboa for Lemmy (version 0.0.46): An app for Lemmy, a federated reddit alternative.
Project mention: Notes on running a single-person Mastodon server | news.ycombinator.com | 2023-08-12https://docs.microblog.pub/ is intended to be a single person instance/blog but the reality is that I am more interested in consuming posts than making them, so I just use the built in rss feeds to follow people I like https://mstdn.social/@feditips/108357998963885456
Project mention: New Fediverse user— Can I have general recommendations? | /r/fediverse | 2023-06-24If you are looking for Fediverse alternatives, I found this useful.
PS: Misc. other resources - Mastodon 101, An Increasingly Less-Brief Guide to Mastodon, Mastodon Official Help Guide, Some Tips & Tricks, How to grow your presence, More Tips & Tricks, and probably most useful .... on Reddit there's /r/Mastodon
Project mention: Ask HN: Which Lemmy communities and instances are you visiting daily? | news.ycombinator.com | 2023-07-31One will notice the regrettable duplication in that list, and it's (AFAIK) a massive unsolved problem in the Fediverse. My mental model is that Lemmy is exactly like signing up to mailing lists but where one can also upvote and downvote posts (err, some instances don't allow downvotes, so there's that). That means that folks who want the most coverage for their submission will post it to every one of the duplicated mailing lists, which results in their own message-id along with their own threaded replies and upvote/downvote scores. Some folks have proposed using the link-url and subject for deduplicating them, but I believe it's just a proposal from the client side and the servers will do no such thing (although running your own instance hypothetically would allow for such customization)
There's also https://kbin.pub which is its own ActivityPub implementation and behaves a little different from Lemmy, I'm sure with good and bad parts. IIRC there's some federation drama between Kbin and some Lemmy instances, and (AFAIK) Kbin does not have any mobile apps whereas there are currently several which speak the Lemmy API. I'd credit it with "first mover effect" more than one being objectively better than the other
I do hope Lemmy catches on and siphons users off of Reddit because the rug-pull from Reddit was a trust-breaking middle finger, IMHO. I wished the same thing for Mastodon, too, but I think the inertia is just too strong with X
Project mention: Could you set up like your own personal fediverse instance | /r/fediverse | 2023-06-05Fill your boots
Project mention: Why are reblog/favourite numbers different between platforms? | /r/Mastodon | 2023-07-03
Project mention: Lemmy now has over 2M users across 915 instances | news.ycombinator.com | 2023-06-30It's always the same comment: X is different from A, therefore X is not a good replacement for A.
The whole point of federation is to avoid the problems we're seeing with Facebook, with Instagram, with Reddit, with Twitter: control over your internet content. Not having a mega-corp bent on maximizing profits and using you as a milking cow, but instead have a say and have actual power in how communities are built and managed. It is 100% expected that Lemmy or KBin is different from Reddit. You say that's not a good user experience, but I challenge that assertion: I say it's not a bad UX, but it's a different UX, and you don't want to change. Well, if you don't want to change, stay on Reddit, that's not a problem. But if you're going to investigate what the fediverse is, please learn what it's about, how it's built. Don't expect to find the same old world you know, that's on purpose !
> It makes no sense to me at all
You're on HN, a forum where members pride themselves in being intelligent enough to dig around, learn by themselves, be different, hack around. You haven't made efforts understanding how the fediverse works, or why it's different, and your conclusion is _not_ that you should investigate, but that you should complain that it's too different. I don't understand this reasoning.
I think an issue in the mentality in this forum is that people mostly expect products, ie a package that is made by an entity and that is served to users. The package is expected to be complete, shiny, wonderful, the entity is expected to do whatever it takes to convince users. It's an asymmetry that is completely opposite to the whole concept of being a hacker, which is supposed to be the H of HN.
Here's a good post explaining what the fediverse is about: https://medium.com/@VirtualAdept/a-friendly-introduction-to-...
And here are a few links and resources if you want to go deeper: https://github.com/emilebosch/awesome-fediverse
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
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Index
What are some of the best open-source Activitypub projects? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | Mastodon | 45,916 |
| 2 | Lemmy | 12,803 |
| 3 | PeerTube | 12,555 |
| 4 | Misskey | 9,477 |
| 5 | PixelFed | 5,411 |
| 6 | WriteFreely | 4,120 |
| 7 | gotosocial | 3,443 |
| 8 | bookwyrm | 2,144 |
| 9 | Plume | 2,062 |
| 10 | jerboa | 1,131 |
| 11 | microblog.pub | 1,085 |
| 12 | awesome-activitypub | 986 |
| 13 | forgefed | 981 |
| 14 | awesome-lemmy-instances | 939 |
| 15 | GuideToMastodon | 907 |
| 16 | kbin | 753 |
| 17 | activity | 691 |
| 18 | social | 486 |
| 19 | Tuba | 476 |
| 20 | aardwolf | 471 |
| 21 | BirdsiteLive | 459 |
| 22 | awesome-fediverse | 455 |
| 23 | wordpress-activitypub | 448 |
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