01
Copy the feed address
Use the RSS feed under the community you picked, for example https://lemmy.ml/feeds/c/math.xml?sort=New
Muuted › Lemmy communities › r/math
Lemmy communities · Science and learning
Lemmy alternatives to r/math
3 active Lemmy communities match r/math. The biggest is !math@lemmy.ml with 1,199 subscribers and last post 14 days ago. Each one has a public RSS feed, so you can follow it in any feed reader without an account.
If you follow r/math by RSS, that feed stops updating on November 13, 2026. These are the places to move it to.
The matches
Where r/math lives on Lemmy.
Ranked by subscribers, with recent activity breaking close calls. Counts and activity checked October 5, 2026.
!math@lemmy.ml
A place for everything about math
1,199 subscribers · last post 14 days ago
https://lemmy.ml/feeds/c/math.xml?sort=New
!math@lemmy.world
General community for all things mathematics on @lemmy.world Submit link and text posts about anything at all related to mathematics.
1,111 subscribers · last post 19 days ago
https://lemmy.world/feeds/c/math.xml?sort=New
!mathmemes@lemmy.blahaj.zone
Math Memes
Memes related to mathematics. Rules: 1: Memes must be related to mathematics in some way. 2: No bigotry of any kind.
3,949 subscribers · 2 posts this week · last post today
https://lemmy.blahaj.zone/feeds/c/mathmemes.xml?sort=New
How to follow
Three steps, any reader.
02
Paste it into your reader
Feedly, Inoreader, NetNewsWire, FreshRSS, Miniflux, Muuted or any other reader accepts it. No Lemmy account is involved.
03
Reply on Lemmy
Reading happens in your reader. To vote or comment, open the post on the community’s own Lemmy server.
Science and learning
More communities to move.
Other topics with a live Lemmy community and a working feed.
Questions
Quick answers.
What is the Lemmy version of r/math?
The closest match is !math@lemmy.ml, with 1,199 subscribers and last post 14 days ago. 2 other active Lemmy communities also match: !math@lemmy.world, !mathmemes@lemmy.blahaj.zone.
How do I follow !math@lemmy.ml in an RSS reader?
Paste https://lemmy.ml/feeds/c/math.xml?sort=New into any feed reader. It is a public feed, so no Lemmy account is needed. In Muuted, the Follow button on this page adds the feed for you.
Do I need a Lemmy account to read these communities?
No. Public Lemmy communities can be read on the web and through their RSS feeds without an account. You only need one to vote, comment or post.
How was this list made?
Muuted searched Lemmy for communities with a matching name, kept the ones on live Lemmy servers whose RSS feed answered and that had a post in the last 30 days, and ranked them by subscribers and recent activity. The counts were checked on October 5, 2026 and the page is rechecked weekly.
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