Crates / rust_decimal / Alternatives
Rust crate alternatives · data Oct 24, 2026
Alternatives to rust_decimal
Short answerThe closest alternatives to rust_decimal on crates.io data are crypto-bigint (937K real downloads a day), bigdecimal (366K real downloads a day), fraction (335K real downloads a day). Of the 8 we list, the most used is num-bigint, and 5 shipped a release in the last year. rust_decimal itself gets 463,122 a day with 2,295 dependents.
Every alternative we found
| Alternative | Real downloads a day | vs rust_decimal | Dependents | Last release | Why it is listed | |
|---|---|---|---|---|---|---|
| crypto-bigint Established | 937,488 | 2.02x | 167 | 1d | category Data structures, category Mathematics, keyword "precision" | compare |
| bigdecimal Established | 365,613 | 0.79x | 588 | 26d | category Mathematics, category Science, keyword "decimal" | compare |
| fraction Pulled in | 334,689 | 0.72x | 64 | 2mo | category Data structures, keyword "decimal" | compare |
| num-bigint Widely used | 1,899,489 | 4.10x | 2,449 | 4mo | category Data structures, category Science | compare |
| num-complex Widely used | 1,201,013 | 2.59x | 1,140 | 21mo | category Data structures, category Science | compare |
| num-rational Established | 1,035,328 | 2.24x | 456 | 21mo | category Data structures, category Science | compare |
| num Widely used | 811,973 | 1.75x | 2,024 | 21mo | category Data structures, category Science | compare |
| num-bigint-dig Pulled in | 672,015 | 1.45x | 97 | 11mo | category Data structures, category Science | compare |
How to choose
- Same job, not the same API. Each line is listed because it shares a crates.io category or keyword with rust_decimal; 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 rust_decimal: 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 rust_decimal, 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. 937,488 real downloads a day.crypto-bigintRust crate. Pure Rust implementation of a big integer library which has been designed from the ground-up for use in cryptographic applications. Provides constant-time...Read it next →Also worth your time