All tags
Catalogue tag

#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.

120 records
Tagged “no-std”Ranked by health index
crates.io
68Moderatehealth index
dtolnay/async-trait
Type erasure for async trait methods
Rust★ 2,166↓ 38.3M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
68Moderatehealth index
dtolnay/thiserror
derive(Error) for struct and enum error types
Rust★ 5,485↓ 197M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
68Moderatehealth index
oxibus/can-dbc
Rust dbc parser
Rust★ 107↓ 1.4M/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
crates.io
67Moderatehealth index
fitzgen/bumpalo
A fast bump allocation arena for Rust
Rust★ 2,282↓ 40.3M/moJul 22, 2026
Apache-2.0Jul 22, 2026 · metrics 1.13.0
crates.io
66Moderatehealth index
dtolnay/linkme
Safe cross-platform linker shenanigans
Rust★ 874↓ 3.6M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
66Moderatehealth index
dtolnay/typetag
Serde serializable and deserializable trait objects
Rust★ 1,525↓ 5.8M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
65Moderatehealth index
dtolnay/miniserde
Data structure serialization library with several opposite design goals from Serde
Rust★ 937↓ 1.8M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
65Moderatehealth index
sebastienrousseau/noyalib
Pure-Rust YAML 1.2 ecosystem: zero unsafe, 100% spec compliance (406/406 official suite), streaming-first serde, lossless CST, JSON-Schema validation. Library + CLI (noyafmt, noyavalidate) + LSP + MCP + WASM bindings.
Rust★ 7↓ 0/moJul 13, 2026
Apache-2.0Jul 13, 2026 · metrics 1.13.0
crates.io
65Moderatehealth index
tweedegolf/sequential-storage
A crate for storing data in flash memory with minimal need for erasing pages
Rust★ 177↓ 47.2K/moJul 14, 2026
Apache-2.0Jul 14, 2026 · metrics 1.13.0
crates.io
64Moderatehealth index
dtolnay/ghost
Define your own PhantomData
Rust★ 167↓ 384.6K/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
64Moderatehealth index
dtolnay/monostate
Type that deserializes only from one specific value
Rust★ 281↓ 5.6M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
64Moderatehealth index
dtolnay/no-panic
Attribute macro to require that the compiler prove a function can't ever panic
Rust★ 1,203↓ 30.8K/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
64Moderatehealth index
dtolnay/ref-cast
Safely cast &T to &U where the struct U contains a single field of type T.
Rust★ 220↓ 42.5M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
64Moderatehealth index
dtolnay/unicode-ident
Determine whether characters have the XID_Start or XID_Continue properties
Rust★ 110↓ 89.7M/moJul 22, 2026
Apache-2.0Jul 22, 2026 · metrics 1.13.0
crates.io
64Moderatehealth index
jedisct1/rust-aegis
AEGIS high performance ciphers for Rust.
Rust★ 49↓ 204.9K/moJul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
crates.io
64Moderatehealth index
servo/rust-smallvec
"Small vector" optimization for Rust: store up to a small number of items on the stack
Rust★ 1,674↓ 73.6M/moJul 22, 2026
Apache-2.0Jul 22, 2026 · metrics 1.13.0
crates.io
64Moderatehealth index
typst/ecow
Compact, clone-on-write vector and string.
Rust★ 315↓ 671K/moJul 23, 2026
Apache-2.0Jul 23, 2026 · metrics 1.13.0
crates.io
63Moderatehealth index
dtolnay/inherent
Make trait methods callable without the trait in scope
Rust★ 165↓ 1.4M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
63Moderatehealth index
hasenbanck/lzma-rust2
LZMA / LZMA2 in native Rust
Rust★ 43↓ 2.6M/moJul 20, 2026
Apache-2.0Jul 20, 2026 · metrics 1.13.0
crates.io
63Moderatehealth index
imazen/archmage
Safely invoke your intrinsic power, using the tokens granted to you by the CPU. Cast primitive magics faster than any mage alive.
Rust★ 6↓ 85K/moJul 21, 2026
Apache-2.0Jul 21, 2026 · metrics 1.13.0
crates.io
63Moderatehealth index
isdaniel/pg-walstream
A Rust library for streaming PostgreSQL WAL using the logical replication protocol.
Rust★ 16↓ 7,032/moJul 17, 2026
BSD-3-ClauseJul 17, 2026 · metrics 1.13.0
crates.io
63Moderatehealth index
kaidokert/fixed-bigint-rs
Fixed-size big integer implementation for Rust
Rust★ 11↓ 2,103/moJul 20, 2026
Apache-2.0Jul 20, 2026 · metrics 1.13.0
crates.io
62Moderatehealth index
KarpelesLab/compcol
Pure-Rust, no_std collection of 30+ compression/decompression codecs (deflate, gzip, zlib, zstd, brotli, lzma/xz, lz4, bzip2, RAR, StuffIt, LHA, ARC, and more) behind one uniform streaming trait — each gated by its own Cargo feature. 100% safe (forbid(unsafe_code)), zero runtime deps.
Rust★ 4↓ 4,223/moJul 14, 2026
MITJul 14, 2026 · metrics 1.13.0
crates.io
61Moderatehealth index
bojand/infer
Small crate to infer file and MIME type by checking the magic number signature
Rust★ 388↓ 6.4M/moJul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
crates.io
61Moderatehealth index
dtolnay/readonly
Struct fields that are made read-only accessible to other modules
Rust★ 266↓ 343.8K/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
61Moderatehealth index
dtolnay/serde-repr
Serialize and deserialize C-like enum as underlying repr
Rust★ 267↓ 21.5M/moJul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
crates.io
61Moderatehealth index
julianschmid/etherparse
A rust library for parsing ethernet & ethernet using protocols.
Rust★ 401↓ 744.5K/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
crates.io
61Moderatehealth index
x52dev/serde-utils
A collection of serde utility crates.
Rust★ 7↓ 570.7K/moJul 21, 2026
Apache-2.0Jul 21, 2026 · metrics 1.13.0
crates.io
60Moderatehealth index
KarpelesLab/purecrypto
A pure-Rust, no_std cryptography toolkit: constant-time primitives, classical & post-quantum public-key, X.509, and the TLS/DTLS/QUIC stack — no foreign code, no C dependencies.
Rust★ 2↓ 3,969/moJul 14, 2026
MITJul 14, 2026 · metrics 1.13.0
crates.io
60Moderatehealth index
bourumir-wyngs/granit-parser
YAML 1.2 compliant parser in pure Rust with strict compliance, comment and style support, no-std support, and spans for parser events. It accepts many real-world YAML documents from the YAML 1.1 era where the syntax overlaps with YAML 1.2
Rust★ 11↓ 270.3K/moJul 19, 2026
Custom licenseJul 19, 2026 · metrics 1.13.0