Crates / x25519-dalek / Alternatives
Rust crate alternatives · data Oct 24, 2026
Alternatives to x25519-dalek
Short answerThe closest alternatives to x25519-dalek on crates.io data are ed25519-dalek (781K real downloads a day), subtle (2.2M real downloads a day), ring (2.1M real downloads a day). Of the 8 we list, the most used is subtle, and 6 shipped a release in the last year. x25519-dalek itself gets 270,172 a day with 883 dependents.
Every alternative we found
| Alternative | Real downloads a day | vs x25519-dalek | Dependents | Last release | Why it is listed | |
|---|---|---|---|---|---|---|
| ed25519-dalek Widely used | 780,826 | 2.89x | 3,403 | 4mo | category Cryptography, category No standard library, keyword "cryptography", keyword "curve25519" | side by side |
| subtle Widely used | 2,159,165 | 7.99x | 2,362 | 2.3y | category Cryptography, category No standard library, keyword "cryptography" | compare |
| ring Widely used | 2,112,308 | 7.82x | 1,837 | 19mo | category Cryptography, category No standard library, keyword "cryptography" | compare |
| ed25519 Pulled in | 760,807 | 2.82x | 78 | 6mo | category Cryptography, category No standard library, keyword "curve25519" | compare |
| ark-ff Established | 344,035 | 1.27x | 558 | 6mo | category Cryptography, keyword "cryptography" | compare |
| ark-ff-macros Pulled in | 343,846 | 1.27x | 3 | 6mo | category Cryptography, keyword "cryptography" | compare |
| ark-ff-asm Pulled in | 343,826 | 1.27x | 2 | 6mo | category Cryptography, keyword "cryptography" | compare |
| ark-serialize Established | 343,752 | 1.27x | 402 | 6mo | category Cryptography, keyword "cryptography" | compare |
How to choose
- Same job, not the same API. Each line is listed because it shares a crates.io category or keyword with x25519-dalek; 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 x25519-dalek: 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 x25519-dalek, 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: Widely used and steady. 780,826 real downloads a day.ed25519-dalekRust crate. Fast and efficient ed25519 EdDSA key generations, signing, and verification in pure Rust. Real use: 781K downloads a day on quiet days; 3,403 crates depend...Read it next →Also worth your time