Crates / portable-atomic-util / Alternatives
Rust crate alternatives · data Oct 24, 2026
Alternatives to portable-atomic-util
Short answerThe closest alternatives to portable-atomic-util on crates.io data are crossbeam-utils (2.7M real downloads a day), sharded-slab (1.7M real downloads a day), dashmap (1.1M real downloads a day). Of the 8 we list, the most used is crossbeam-utils, and 5 shipped a release in the last year. portable-atomic-util itself gets 537,004 a day with 73 dependents.
Every alternative we found
| Alternative | Real downloads a day | vs portable-atomic-util | Dependents | Last release | Why it is listed | |
|---|---|---|---|---|---|---|
| crossbeam-utils Established | 2,696,777 | 5.02x | 605 | 49d | category Concurrency, category Data structures, keyword "atomic" | compare |
| sharded-slab Pulled in | 1,733,301 | 3.23x | 32 | 3.1y | category Concurrency, category Data structures, keyword "atomic" | compare |
| dashmap Widely used | 1,112,131 | 2.07x | 4,694 | 5mo | category Concurrency, category Data structures, keyword "atomic" | compare |
| crossbeam Widely used | 374,913 | 0.70x | 1,418 | 49d | category Concurrency, category Data structures, keyword "atomic" | compare |
| crossbeam-epoch Established | 2,073,178 | 3.86x | 114 | 49d | category Concurrency, category No standard library, keyword "atomic" | compare |
| try-lock Pulled in | 1,879,742 | 3.50x | 9 | 2.9y | category Concurrency, category No standard library, keyword "atomic" | compare |
| arc-swap Widely used | 1,156,989 | 2.15x | 2,131 | 6d | category Data structures, keyword "atomic" | compare |
| radium Pulled in | 771,396 | 1.44x | 6 | 16mo | category Concurrency, category No standard library, keyword "atomic" | compare |
How to choose
- Same job, not the same API. Each line is listed because it shares a crates.io category or keyword with portable-atomic-util; read its description before you swap.
- More dependents means more answered questions and a smaller chance it disappears.
- Check the last release against how fast you need fixes. For portable-atomic-util: is it still maintained?
Rules
Alternatives = tracked crates (top 1000 by downloads) that share a specific crates.io category (2 points each) or keyword (3 points each) with portable-atomic-util, most similar first; its own parts (same name prefix) and crates it depends on or that depend on it are left out, because those are companions, not substitutes. Real downloads = quiet-day median, crates.io data Oct 24, 2026. Built when we find 3 or more.
Up next
The closest alternative: Established and steady. 2,696,777 real downloads a day.crossbeam-utilsRust crate. Utilities for concurrent programming. Real use: 2.7M downloads a day on quiet days; 605 crates depend on it.Read it next →Also worth your time