crates.io72Goodhealth index
shepmaster/snafuEasily assign underlying errors into domain-specific errors while adding context
Rust★ 1,891↓ 8.7M/moJul 21, 2026
crates.io70Goodhealth index
taiki-e/pin-project-liteA lightweight version of pin-project written with declarative macros.
Rust★ 278↓ 68.4M/moJul 22, 2026
crates.io69Moderatehealth index
dtolnay/anyhowFlexible concrete Error type built on std::error::Error
Rust★ 6,596↓ 58.4M/moJul 19, 2026
crates.io68Moderatehealth index
dtolnay/thiserrorderive(Error) for struct and enum error types
Rust★ 5,485↓ 197M/moJul 19, 2026
crates.io67Moderatehealth index
fitzgen/bumpaloA fast bump allocation arena for Rust
Rust★ 2,282↓ 40.3M/moJul 22, 2026
crates.io64Moderatehealth index
dtolnay/ghostDefine your own PhantomData
Rust★ 167↓ 384.6K/moJul 19, 2026
crates.io64Moderatehealth index
dtolnay/monostateType that deserializes only from one specific value
Rust★ 281↓ 5.6M/moJul 19, 2026
crates.io64Moderatehealth index
dtolnay/ref-castSafely cast &T to &U where the struct U contains a single field of type T.
Rust★ 220↓ 42.5M/moJul 19, 2026
crates.io63Moderatehealth index
dtolnay/inherentMake trait methods callable without the trait in scope
Rust★ 165↓ 1.4M/moJul 19, 2026
crates.io61Moderatehealth index
dtolnay/readonlyStruct fields that are made read-only accessible to other modules
Rust★ 266↓ 343.8K/moJul 19, 2026
crates.io59Moderatehealth index
Voultapher/self_cellSafe-to-use proc-macro-free self-referential structs in stable Rust.
Rust★ 305↓ 5.1M/moJul 17, 2026
crates.io58Moderatehealth index
matklad/once_cellRust library for single assignment cells and lazy statics without macros
Rust★ 2,086↓ 78.6M/moJul 22, 2026
crates.io57Moderatehealth index
dylni/os_str_bytesLossless functionality for platform-native strings.
Rust★ 75↓ 7.3M/moJul 17, 2026
crates.io57Moderatehealth index
rust-lang/impl-trait-utilsUtilities for working with impl traits in Rust.
Rust★ 132↓ 946.7K/moJul 22, 2026
crates.io56Moderatehealth index
jmg-duarte/sealed-rsMacro for sealing traits and structures
Rust★ 62↓ 1.3M/moJul 22, 2026
crates.io50Moderatehealth index
vigna/value-traits-rsValue-based analogues of standard Rust traits
Rust★ 1↓ 11.7K/moJul 17, 2026
crates.io47At riskhealth index
XX/variant_countDerive macro that adds a variant count to an enum.
Rust★ 13↓ 261.6K/moJul 14, 2026
crates.io46At riskhealth index
risingwavelabs/thiserror-extUseful extension utilities for thiserror.
Rust★ 17↓ 139K/moJul 18, 2026
crates.io43At riskhealth index
vigna/sync-cell-slice-rsCells and slices that are accessible from multiple threads
Rust★ 5↓ 3,799/moJul 17, 2026
oxc-project/oxc-mietteForked version of miette
Rust★ 10↓ 1.1M/moJul 19, 2026