R

r/rust

Updated Aug 21

A place for all things related to the Rust programming language—an open-source systems language that emphasizes performance, reliability, and productivity.

Members

419,060

419K

Online now

not captured in the last snapshot

Posts per day

no sample yet

Comments per post

no sample yet

Growth · 7d

not enough history yet

Growth · 30d

not enough history yet

Promo tolerance

not assessed yet

Last post

no sample yet

Distinct posters

no sample yet

Tracking since Aug 21 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.

Member growth

Tracking since Aug 21 — growth charts appear after a week of history.

Watch these subreddits

Rankings go stale. Prowlo watches these subreddits daily and pings you the moment someone describes the problem you solve.

Free trial · No card

Similar by content

Communities that discuss what r/rust discusses.

L
r/learnrust54K members

This subreddit is for asking questions about the programming language Rust

93% content match
R
r/rust_p45 members

This is the central hub for developers building high performance software and system level tools in Rust. We discuss system programming custom engines and pushing hardware limits. Join us to talk about safe memory management and low level architecture.

89% content match
P

This subreddit is dedicated to the theory, design and implementation of programming languages.

88% content match
r/golang375K members

Ask questions and post articles about the Go programming language and related tools, events etc.

87% content match
A
r/AskProgramming231K members

Ask questions about programming.

86% content match

Shared audience

Posters in r/rust also post in…

r/programming6.9M members

Computer Programming

5.2% audience overlap47 shared posters
P
r/Python1.5M members

The largest Python community for Reddit! Stay up to date with the latest news, packages, and meta information relating to the Python programming language. --- If you have questions or are new to Python use r/LearnPython

3.7% audience overlap10 shared posters
J
r/javascript2.4M members

Chat about javascript and javascript related projects. Yes, typescript counts. Please keep self promotion to a minimum/reasonable level.

3.5% audience overlap4 shared posters
r/golang375K members

Ask questions and post articles about the Go programming language and related tools, events etc.

2.1% audience overlap7 shared posters
L
r/learnprogramming4.4M members

A subreddit for all questions related to programming in any programming language (Contributions are only allowed in English!).

1.9% audience overlap23 shared posters

See the full lists on similar subreddits.

r/rust — frequently asked

How many members does r/rust have?

r/rust has 419,060 members as of our most recent crawl on Aug 21. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.

Is r/rust growing?

We don't have 30 days of snapshot history for r/rust yet, so we're not going to invent a growth number. We've been tracking it since Aug 21; the chart fills in as history accumulates.

How active is r/rust?

We don't have a reliable posting-rate sample for r/rust yet. Subscriber count alone is a poor guide to whether a community is active, so treat this one as unverified until the next sample lands.

Can I promote my product in r/rust?

We don't have a promo-tolerance read for r/rust yet. Default to the safe approach: read the sidebar rules, contribute in threads where you gain nothing, and mention your product only when it is the honest answer to someone's question.

How do I monitor r/rust for mentions?

Hit Watch on this page. Prowlo starts crawling r/rust into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.

Can my AI agent read r/rust's stats?

Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/rust's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.

Watch these subreddits

Rankings go stale. Prowlo watches these subreddits daily and pings you the moment someone describes the problem you solve.

r/SaaS · 4m ago

“Our analytics bill tripled overnight. Actively shopping for an alternative this week — what’s good?”

Match · 86%Buying signal

Read-only · Human-in-the-loop
Prowlo never posts for you