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#no-std

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

560 records
Tagged “no-std”Ranked by health index
crates.io
65Goodhealth index
orxfun/orx-fixed-vec
An efficient fixed capacity vector with pinned element guarantees.
Rust★ 1↓ 646.7K/moAug 13, 2026
Apache-2.0Aug 13, 2026 · metrics 2.10.0
crates.io
65Goodhealth index
rozbb/rust-hpke
An implementation of the HPKE hybrid encryption standard (RFC 9180)
Rust★ 99↓ 762.7K/moAug 22, 2026
Custom licenseAug 22, 2026 · metrics 2.10.0
crates.io
65Goodhealth index
rust-lang/stacker
Manual segmented stacks for Rust
Rust · Assembly★ 355↓ 16.4M/moAug 3, 2026
Apache-2.0Aug 3, 2026 · metrics 2.10.0
crates.io
65Goodhealth index
teamplayer3/postcard-bindgen
A crate which generates bindings for the postcard binary format for other languages than Rust.
Rust★ 16↓ 22.4K/moJul 31, 2026
Apache-2.0Jul 31, 2026 · metrics 2.10.0
crates.io
65Goodhealth index
tokio-rs/slab
Slab allocator for Rust
Rust★ 920↓ 64.5M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
DuckLogic/intid.rs
Data structures for newtype integer ids
Rust★ 1↓ 3,016/moAug 23, 2026
Apache-2.0Aug 23, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
KarpelesLab/puremp
Pure-Rust, clean-room arbitrary-precision arithmetic: integers, rationals, MPFR-class floats, decimals, complex, polynomials, matrices, intervals and algebraic numbers — no_std, MIT
Rust★ 4↓ 2,721/moSep 5, 2026
MITSep 5, 2026 · metrics 2.10.0
crates.io · npm · PyPI
63Moderatehealth index
Raghava-Ch/modbus-rs
Low-footprint, feature-gated Modbus stack for MCU to enterprise: TCP/RTU/ASCII, sync+async, no_std/std, with C/WASM/Python bindings.
Rust★ 5↓ 857/moAug 26, 2026
Custom licenseAug 26, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
al8n/tokora
Blazing fast parser combinators with parse-while-lexing architecture (zero-copy), deterministic LALR-style parsing, and no hidden backtracking.
Rust★ 11↓ 2,488/moAug 13, 2026
Apache-2.0Aug 13, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
bytecodealliance/target-lexicon
Target "triple" support
Rust★ 59↓ 26.6M/moAug 8, 2026
Apache-2.0Aug 8, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
dtolnay/remain
Compile-time checks that an enum or match is written in sorted order
Rust★ 124↓ 228.9K/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
enarx/ciborium
CBOR utilities
Rust★ 389↓ 53.9M/moAug 8, 2026
Custom licenseAug 8, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
kampersanda/sucds
Collection of succinct data structures in Rust
Rust★ 107↓ 111.9K/moSep 2, 2026
Apache-2.0Sep 2, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
r-efi/r-efi
UEFI Reference Specification Protocol Constants and Definitions
Rust★ 131↓ 46M/moAug 27, 2026
No licenseAug 27, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
rust-lang/impl-trait-utils
Utilities for working with impl traits in Rust.
Rust★ 132↓ 946.7K/moJul 22, 2026
Apache-2.0Jul 22, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
seanmonstar/httparse
A push parser for the HTTP 1.x protocol in Rust.
Rust★ 708↓ 47M/moAug 3, 2026
Apache-2.0Aug 3, 2026 · metrics 2.10.0
crates.io · PyPI
63Moderatehealth index
ssmichael1/numeris
Mathematical library in rust
Rust★ 0↓ 2,367/moJul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
strawlab/cam-geom
📷 📐 Geometric models of cameras for photogrammetry
Rust★ 53↓ 3,841/moAug 9, 2026
Apache-2.0Aug 9, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
strawlab/opencv-ros-camera
Geometric models of OpenCV/ROS cameras for photogrammetry
Rust★ 14↓ 2,690/moAug 8, 2026
Apache-2.0Aug 8, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
tov/weak-table-rs
Weak hash tables for Rust
Rust★ 42↓ 374.4K/moJul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
wcampbell0x2a/no-std-io2
std::io for no_std
Rust★ 27↓ 3.9M/moAug 13, 2026
Apache-2.0Aug 13, 2026 · metrics 2.10.0
crates.io
63Moderatehealth index
yvt/rlsf
Constant-time dynamic memory allocator in Rust
Rust★ 124↓ 171.2K/moJul 28, 2026
Apache-2.0Jul 28, 2026 · metrics 2.10.0
crates.io
62Moderatehealth index
BurntSushi/rust-csv
A CSV parser for Rust, with Serde support.
Rust★ 1,953↓ 28.2M/moAug 11, 2026
UnlicenseAug 11, 2026 · metrics 2.10.0
crates.io
62Moderatehealth index
DomiDre/gauss-quad
Rust library for applying Gaussian quadrature to integrate a function
Rust★ 25↓ 36.2K/moAug 25, 2026
Apache-2.0Aug 25, 2026 · metrics 2.10.0
crates.io
62Moderatehealth index
addr-rs/psl
A native Rust library for Mozilla's Public Suffix List
Rust★ 38↓ 1.8M/moAug 22, 2026
MITAug 22, 2026 · metrics 2.10.0
crates.io
62Moderatehealth index
cykooz/fast_image_resize
Rust library for fast image resizing with using of SIMD instructions.
Rust★ 452↓ 809.7K/moJul 18, 2026
Apache-2.0Jul 18, 2026 · metrics 2.10.0
crates.io
62Moderatehealth index
davxy/ark-vrf
Elliptic Curve VRFs
Rust★ 32↓ 305.5K/moAug 15, 2026
MITAug 15, 2026 · metrics 2.10.0
crates.io
62Moderatehealth index
dtolnay/path-to-error
Find out path at which a deserialization error occurred
Rust★ 426↓ 23.1M/moAug 8, 2026
Apache-2.0Aug 8, 2026 · metrics 2.10.0
crates.io
62Moderatehealth index
jedisct1/rust-ed25519-compact
Small, wasm-friendly, zero-dependencies Ed25519 and X25519 implementation for Rust.
Rust★ 144↓ 914.1K/moAug 15, 2026
MITAug 15, 2026 · metrics 2.10.0
crates.io
62Moderatehealth index
magiclen/str-utils
This crate provides some traits to extend `[u8]`, `str` and `Cow<str>`.
Rust★ 4↓ 3,443/moAug 22, 2026
MITAug 22, 2026 · metrics 2.10.0