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Mathieu Lefebvre
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Mathieu Lefebvre

@matlfb.com
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Product Designer based in France 🇫🇷 Building @zelk.space apps

matlfb.com
matlfb.comAug 31, 2026
Fixing Mastodon biggest UX issues
Let's imagine a world where Mastodon users were Atmosphere citizens
1
decentralized social medias
matlfb.com
matlfb.comAug 2, 2026
ATProto needs TVTime alternatives
It's time to bring open web to movies/series tracking apps on ATProto
9
decentralized social medias
matlfb.com
matlfb.comMar 4, 2026
WSocial could change everything
In early 2026, the European Union announced its own Twitter-like platform called WSocial. The most surprising part is that it is expected to be a fork of Bluesky and to run on ATProto. For now, we have very little information. The beta is expected to start sometime in March, with a public launch planned for the end of the year. The potential is huge. If it runs properly on ATProto, it could interoperate with users already on Bluesky (more than 40 million). That would instantly populate our timel...
1
decentralized social medias
matlfb.com
matlfb.comFeb 19, 2026
Rethinking Popfeed’s Homepage UX
Popfeed.social is a new social application, similar to Letterboxd, that allows users to log movies, but also TV shows, music, and video games. Built on the ATProto, it offers a seamless transition for Bluesky users: you can log in and immediately retrieve your following, followers, and past reviews without having to rebuild your community from scratch. Popfeed is a pioneer in the ATmosphere (the ecosystem of apps powered by ATProtocol), and it is clearly a promising tool. However, I believe the ...
1
ux review
matlfb.com
matlfb.comFeb 18, 2026
Pixelfed - Web UI Redesign
For several months now, I have been passionate about decentralized social networks. I started my decentralized journey with Mastodon in 2022, and then the Pixelfed network caught my attention. However, I noticed that the UI was somewhat outdated, so I decided to redesign Pixelfed in my own way for a more modern user experience. Here is how Pixelfed currently looks like:
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