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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.

744 records
Tagged “no-std”Ranked by health index
crates.io · PyPI
92Excellenthealth index
crate-ci/typos
Source code spell checker
Rust★ 4,113↓ 211.6K/moAug 28, 2026
Apache-2.0Aug 28, 2026 · metrics 2.10.0
crates.io
92Excellenthealth index
crossbeam-rs/crossbeam
Tools for concurrent programming in Rust
Rust★ 8,576↓ 239M/moSep 16, 2026
Apache-2.0Sep 16, 2026 · metrics 2.10.0
crates.io
92Excellenthealth index
dusk-network/Poseidon252
Reference implementation for the Poseidon Snark-friendly Hash algorithm.
Rust★ 222↓ 5,885/moOct 10, 2026
MPL-2.0Oct 10, 2026 · metrics 2.10.0
crates.io
92Excellenthealth index
rhaiscript/rhai
Rhai - An embedded scripting language for Rust.
Rust★ 5,745↓ 2.9M/moOct 21, 2026
Apache-2.0Oct 21, 2026 · metrics 2.10.0
npm · crates.io
92Excellenthealth index
ruvnet/RuVector
RuVector provides High Performance, Real-Time decisions and agent memory , Self-Learning Ai, Vector GNN DB built in Rust.
Rust · TypeScript★ 4,599↓ 489.6K/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
crates.io
91Excellenthealth index
rust-embedded/heapless
Heapless, `static` friendly data structures
Rust★ 2,022↓ 14.3M/moSep 17, 2026
Apache-2.0Sep 17, 2026 · metrics 2.10.0
crates.io
91Excellenthealth index
sebastienrousseau/noyalib
A YAML 1.2 parser and serialiser for Rust: zero unsafe, full serde integration, lossless CST editing, JSON Schema validation, 406/406 on the official test suite. Core of a six-crate ecosystem with a CLI, LSP, MCP server, WASM bindings, and a serde_yaml drop-in.
Rust★ 11↓ 263K/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io
91Excellenthealth index
wasmi-labs/wasmi
WebAssembly (Wasm) Interpreter - An efficient, lightweight, and deterministic WebAssembly interpreter for embedded systems and plug-in runtimes.
Rust★ 2,329↓ 6.7M/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io
90Excellenthealth index
nasa/spacewasm
A flight-compliant WebAssembly interpreter.
Rust★ 1,612↓ 15K/moOct 22, 2026
Apache-2.0Oct 22, 2026 · metrics 2.10.0
crates.io · npm
90Excellenthealth index
rcore-os/tgoskits
An integrated os-level crates repository for operating system and virtualization development
Rust · C★ 75↓ 4,161/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io
90Excellenthealth index
rtic-rs/rtic
Real-Time Interrupt-driven Concurrency (RTIC) framework for ARM Cortex-M microcontrollers
Rust★ 2,420↓ 103.9K/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
awslabs/mls-rs
An implementation of Messaging Layer Security (RFC 9420)
Rust★ 253↓ 299.2K/moSep 17, 2026
Apache-2.0Sep 17, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
dfinity/agent-rs
A collection of libraries and tools for building software around the Internet Computer, in Rust.
Rust★ 144↓ 116.6K/moSep 9, 2026
Apache-2.0Sep 9, 2026 · metrics 2.10.0
crates.io · npm
89Excellenthealth index
dtolnay/cxx
Safe interop between Rust and C++
Rust · C++★ 6,810↓ 10M/moAug 27, 2026
Apache-2.0Aug 27, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
gungraun/gungraun
High-precision, one-shot and consistent benchmarking framework/harness for Rust. All Valgrind tools at your fingertips.
Rust · Roff★ 334↓ 815.7K/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
knurling-rs/defmt
Efficient, deferred formatting for logging on embedded systems
Rust★ 1,228↓ 31M/moSep 17, 2026
Apache-2.0Sep 17, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
maciejhirsz/logos
Create ridiculously fast Lexers
Rust★ 3,578↓ 25M/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
mmastrac/linktime
Link-time initialization, destruction, scattered data collection macros for Rust
Rust★ 1,084↓ 29.5M/moSep 18, 2026
Apache-2.0Sep 18, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
rust-embedded/aarch32
Low level access to ARM AArch32 (Cortex-R and Cortex-A) processors
Rust★ 68↓ 12.1K/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
rust-lang/hashbrown
Rust port of Google's SwissTable hash map
Rust★ 2,994↓ 217M/moSep 16, 2026
Apache-2.0Sep 16, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
taiki-e/portable-atomic
Portable atomic types including support for 128-bit atomics, atomic float, etc.
Rust★ 246↓ 41.3M/moAug 27, 2026
Apache-2.0Aug 27, 2026 · metrics 2.10.0
crates.io
88Excellenthealth index
CramBL/hdf5-pure
Pure Rust HDF5 implementation
Rust★ 38↓ 40.6K/moOct 21, 2026
Apache-2.0Oct 21, 2026 · metrics 2.10.0
crates.io
88Excellenthealth index
RustCrypto/crypto-bigint
Cryptography-oriented big integer library with constant-time, stack-allocated (no_std-friendly) implementations of modern formulas
Rust★ 309↓ 22.1M/moSep 17, 2026
Apache-2.0Sep 17, 2026 · metrics 2.10.0
crates.io
88Excellenthealth index
alloy-rs/chains
Canonical type definitions for EIP-155 chains
Rust · Python★ 109↓ 1.4M/moSep 9, 2026
Apache-2.0Sep 9, 2026 · metrics 2.10.0
crates.io · npm · Go +1
88Excellenthealth index
ashvardanian/NumKong
SIMD-accelerated distances, dot products, matrix ops, geospatial & geometric kernels for 16 numeric types — from 6-bit floats to 64-bit complex — across x86, Arm, RISC-V, and WASM, with bindings for Python, Rust, C, C++, Swift, JS, and Go 📐
C · C++★ 1,883↓ 47.7K/moSep 12, 2026
Apache-2.0Sep 12, 2026 · metrics 2.10.0
crates.io · PyPI
88Excellenthealth index
aya-rs/bpf-linker
BPF static linker
Rust · Starlark★ 304↓ 43.6K/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io
88Excellenthealth index
bitflags/bitflags
A macro to generate structures which behave like bitflags
Rust★ 1,159↓ 140M/moSep 16, 2026
Apache-2.0Sep 16, 2026 · metrics 2.10.0
crates.io · Go · npm
88Excellenthealth index
raviqqe/stak
The miniature, embeddable R7RS Scheme implementation
Rust · Gherkin · Scheme★ 138↓ 25.7K/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
crates.io
88Excellenthealth index
rp-rs/rp-hal
A Rust Embedded-HAL for the rp series microcontrollers
Rust★ 1,924↓ 526.8K/moSep 10, 2026
Apache-2.0Sep 10, 2026 · metrics 2.10.0
crates.io
88Excellenthealth index
rust-cli/anstyle
ANSI text styling
HTML · Rust★ 170↓ 178M/moSep 9, 2026
Custom licenseSep 9, 2026 · metrics 2.10.0