Alternatives and similar repositories for either

Users that are interested in either are comparing it to the libraries listed below

• Lokathor / tinyvec
  Just, really the littlest Vec you could need. So smol.
  ☆711Updated 2 months ago
• withoutboats / heck
  oh heck, a case conversion library
  ☆566Updated 3 months ago
• dtolnay / trybuild
  Test harness for ui tests of compiler diagnostics
  ☆935Updated this week
• nrc / derive-new
  derive simple constructor functions for Rust structs
  ☆569Updated last year
• mcarton / rust-derivative
  A set of alternative `derive` attributes for Rust
  ☆455Updated last month
• serde-rs / bytes
  Wrapper types to enable optimized handling of &[u8] and Vec<u8>
  ☆357Updated last month
• jbaublitz / getset
  Getters and Setters for Rust.
  ☆372Updated 4 months ago
• rust-analyzer / smol_str
  ☆501Updated this week
• bluss / arrayvec
  A vector with a fixed capacity. (Rust)
  ☆832Updated last year
• jonasbb / serde_with
  This crate provides custom de/serialization helpers to use in combination with serde's `with`-annotation and with the improved `serde_as`…
  ☆803Updated 2 weeks ago
• rust-lang / cfg-if
  A if/elif-like macro for Rust #[cfg] statements
  ☆612Updated 3 weeks ago
• Detegr / rust-ctrlc
  Easy Ctrl-C handler for Rust projects
  ☆645Updated 2 weeks ago
• dtolnay / ryu
  Fast floating point to string conversion
  ☆667Updated 3 weeks ago
• webdesus / fs_extra
  Expanding opportunities standard library std::fs and std::io
  ☆328Updated last year
• nvzqz / static-assertions
  Ensure correct assumptions about constants, types, and more in Rust
  ☆634Updated last year
• taiki-e / pin-project
  A crate for safe and ergonomic pin-projection.
  ☆685Updated 2 weeks ago
• Kobzol / rust-delegate
  Rust method delegation with less boilerplate
  ☆502Updated 3 months ago
• illicitonion / num_enum
  ☆340Updated 3 weeks ago
• rust-lang / rustc-hash
  Custom hash algorithm used by rustc (plus hashmap/set aliases): fast, deterministic, not secure
  ☆515Updated 3 months ago
• dtolnay / proc-macro2
  ☆880Updated this week
• rustyhorde / vergen
  Generate cargo instructions at compile time in build scripts for use with the env! or option_env! macros
  ☆435Updated 2 weeks ago
• tokio-rs / async-stream
  Asynchronous streams for Rust using async & await notation
  ☆717Updated 11 months ago
• frondeus / test-case
  Rust procedural macro attribute for adding test cases easily
  ☆632Updated last year
• bluss / scopeguard
  Rust crate for a convenient RAII scope guard.
  ☆536Updated 2 years ago
• pksunkara / cargo-workspaces
  A tool for managing cargo workspaces and their crates, inspired by lerna
  ☆555Updated 2 months ago
• taiki-e / cargo-hack
  Cargo subcommand to provide various options useful for testing and continuous integration.
  ☆774Updated 3 weeks ago
• assert-rs / assert_cmd
  Assert process::Command - Easy command initialization and assertions
  ☆529Updated last week
• camino-rs / camino
  Like Rust's std::Path, but UTF-8.
  ☆527Updated 2 weeks ago
• dtolnay / rustversion
  Conditional compilation according to rustc compiler version
  ☆385Updated last month
• reem / rust-ordered-float
  ☆305Updated last month