Guus der Kinderen

XMPP-based software engineer from the Netherlands. I am an active member of the Ignite Realtime community and a lead developer of its Openfire real-time communications server implementation.

Work: Software Engineer, XMPP
Website: https://www.goodbytes.nl
XMPP: xmpp:guus.der.kinderen@igniterealtime.org
Github: https://github.com/guusdk

Last Notes

2026-01-20 11:47:07 UTC

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"Hate" may be a strong word, but rebuilding trust to anything close to its level over the past few decades will take a very, very long time.
Consider this: even if the current administration were gone tomorrow, the world has now learned that US policies can change overnight, and at best only every four years. That reality directly conflicts with anything that relies on long-term commitments and stable expectations.

2025-09-01 15:25:20 UTC

The XMPP Network Graph at https://xmppnetwork.goodbytes.im shows how chat servers connect across the open #XMPP #federation. I'm occasionally checking the number of dots (servers) and lines (connections between servers). For the first time that I've noticed, that connection count is over 10,000!
The graphing engine is having a hard time rendering all of that. 😅
https://toot.igniterealtime.org/system/media_attachments/files/115/129/712/973/192/494/original/16a2a51ad5b27e7b.png

2025-08-30 09:05:52 UTC

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I'm not a big fan of Musk, but I can see how a text like that gets you banned anywhere. Unlike what you wrote in that comment, the text _is_ objectively disrespectful.

2025-03-27 18:31:56 UTC

It’s time for real interoperability. Let’s make it happen.
The #DMA targets walled gardens and messaging interoperability. Meta, the designated gatekeeper, offers an solution that falls short of its goals.
The XMPP Standards Foundation (@npub1gw6…2up6) publishes an Open Letter to Meta, to advocate for adoption of #XMPP for messaging interoperability.
The letter: https://xmpp.org/announcements/open-letter-meta-dma/
Technical briefing: https://xmpp.org/announcements/open-letter-meta-dma/technical-briefing/
The corresponding blog post: https://xmpp.org/2025/03/open-letter-to-meta-support-true-messaging-interoperability-with-xmpp/

2025-03-07 09:40:15 UTC

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I believe that https://providers.xmpp.net/ has an API that your app can consume, to find applicable domains to use for sign-up. Have you considered using that?

2025-01-30 06:02:15 UTC

On my way to Brussels! I'll be attending the annual #XMPP Summit and #FOSDEM, and I'm looking forward to the next few days immensely!
Nerding out on #opensource, open communication standards and meeting up with old friends is one of the highlights of my year.
Let me know if you are around! Maybe we can meet up!

2025-01-13 21:04:11 UTC

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as the FAQ hints, this graph is nowhere near an accurate representation of the network. The graph is listing server-to-server connections. Connections to components are typically included, which would cause that. Then again, I know of thousands of servers that aren't listed at all. 🤷

2025-01-13 19:49:39 UTC

Last year, I launched the XMPP Network Graph: a website that visualizes part of the public XMPP network.
It continues to be a fun little project to work on. Over the last few weeks, a great deal of improvements have been applied (with many thanks to all people that suggested or even implemented them).
If you run an XMPP domain, please add your domain to the graph!
You can find the XMPP Network graph on https://xmppnetwork.goodbytes.im/ (on mobile, you might want to try https://xmppnetwork.goodbytes.im/webgl.html instead)
https://toot.igniterealtime.org/system/media_attachments/files/113/822/775/754/207/550/original/661df36ede71ba7f.png

2024-12-19 09:09:03 UTC

Bunq, a Dutch bank, contacted one of their customers through an in-app helpdesk functionality, after that customer reverted removal of a section describing a controversy on the Wikipedia page of the bank.
The original controversy (which was well published in Dutch media) was reason enough for me to avoid banking with #bunq. Apparently, things can get worse. If you have an account with them, you may want to consider alternatives.
Newspaper article (in Dutch, paywall): https://fd.nl/financiele-markten/1540577/bunq-ondervraagt-klant-via-bankapp-na-onlinekritiek

2024-11-17 09:02:58 UTC

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I might not understand your point. What makes Bluesky different from Mastodon in this context? What is the cause of this difference?

2024-09-09 20:39:16 UTC

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Wow, this had strong Discworld vibes! https://discworld.fandom.com/wiki/The_Luggage