Lib.rs

Find quality Rust libraries and applications. Fast, lightweight, opinionated, unofficial alternative to crates.io

Algorithms
Core algorithms such as hashing, sorting and searching.
- rand
- strsim
- rand_core
- crc
- num-bigint
- rand_jitter
- pathfinding
- zeros
- slice-group-by
- dia-range
- and 997 more…
Encoding data
Encoding and/or decoding data from one data format to another.
- serde_json
- base64
- serde
- bincode
- byteorder
- serde_test
- serde_yaml
- voca_rs
- capnpc
- capnp
- and 759 more…
Data structures
Rust implementations of data structures for specific purposes.
- hashbrown
- arrayvec
- hdrhistogram
- bytes
- generic-array
- indexmap
- either
- starling
- rustc-ap-rustc_data_structures
- restor
- and 1004 more…
Rust patterns
Shared solutions for particular situations specific to programming in Rust.
- lazy_static
- itertools
- error-chain
- synstructure
- derive_builder
- quick-error
- once_cell
- io-enum
- iterator-enum
- const_fn
- and 792 more…
Network programming
Network protocols such as FTP, HTTP, or SSH, or lower-level TCP or UDP.
- trust-dns-resolver
- httparse
- zmq
- rusoto_core
- tokio-timer
- grpcio
- tokio-tls
- capnp-rpc
- webrtc-sdp
- doh-proxy
- and 1398 more…
Text processing
Deal with the complexities of human language when expressed in textual form.
- regex
- unicode-segmentation
- memchr
- aho-corasick
- pulldown-cmark
- textwrap
- encoding_rs
- shell2batch
- jieba-rs
- termimad
- and 348 more…
Concurrency
Implementing concurrent and parallel computation.
- parking_lot
- rayon
- crossbeam-channel
- parking_lot_core
- crossbeam-utils
- crossbeam
- lock_api
- faster-rs
- may
- may_queue
- and 442 more…
Asynchronous
Async program flow using techniques like futures, promises, waiting, or eventing.
- tokio
- futures
- actix
- tokio-io
- tokio-core
- mio
- fibers
- capnp-futures
- futures-enum
- reducer
- and 569 more…
Development tools
Testing, debugging, linting, performance profiling, autocompletion, formatting, and more.
Debugging
Figure out what is going on with your code via logging, tracing, or assertions.
- env_logger
- slog
- log
- flexi_logger
- goblin
- fern
- cargo-expand
- replicante_logging
- nonblock-logger
- wasm-logger
- and 289 more…
Testing
Verify the correctness of your code.
- proptest
- quickcheck
- compiletest_rs
- rusoto_mock
- insta
- honggfuzz
- approx
- serenity
- mocktopus
- static_assertions
- and 423 more…
Build Utils
Utilities for build scripts and other build time steps.
- cc
- pkg-config
- cmake
- ci_info
- autocfg
- ispc
- toml-query
- cargo-bump
- rutie
- rustc-ap-syntax_pos
- and 90 more…
Procedural macro helpers
Extend Rust language with procedural macros.
- syn
- quote
- derive_more
- proc-macro-hack
- darling_macro
- validator_derive
- strum
- derive-getters
- find-crate
- pomelo-impl
- and 463 more…
FFI
Interface with other languages. Includes binding generators and helpful language constructs.
- bindgen
- pyo3
- cbindgen
- cpython
- numpy
- pyo3-derive-backend
- c2rust
- pyo3-pack
- dict_derive
- cpp
- and 109 more…
Profiling
Figure out the performance of your code.
- criterion
- cargo-benchcmp
- bencher
- inferno
- metrix
- py-spy
- twiggy
- xrl
- metrics-util
- metrics-core
- and 66 more…
Cargo plugins
Subcommands that extend the capabilities of Cargo.
- cargo-make
- cargo-deb
- cargo-kcov
- cargo-edit
- cargo-geiger
- cargo-lipo
- cargo-outdated
- semverver
- cargo-publish-all
- rerast
- and 236 more…
Operating systems
Bindings to operating system-specific APIs.
- libc
- topgrade
- subprocess
- mach
- errno
- which
- os_type
- calloop
- rapture
- sgx_libc
- and 506 more…
Windows APIs
Bindings to Windows-specific APIs.
- winreg
- winapi
- clipboard-win
- miow
- winrt
- vcpkg
- winapi-build
- windows-permissions
- wmi
- winres
- and 506 more…
Unix APIs
Bindings to Unix-specific APIs.
- nix
- rua
- notify-rust
- dbus
- daemonize
- signal-hook
- xdg
- devicemapper
- sdwd
- deno-x86_64-unknown-linux-gnu
- and 387 more…
macOS APIs
Bindings to macOS-specific APIs.
- objc
- core-foundation
- security-framework-sys
- fse_dump
- ds_store
- objc_id
- dispatch
- macos-open
- core-video-sys
- display-link
- and 45 more…
Science
Solving problems involving math, physics, and other scientific fields.
- alga
- rust_decimal
- arrayfire
- matrixmultiply
- peroxide
- tract-tensorflow
- ocl
- zia
- rv
- sounding-analysis
- and 297 more…
Math
Solving problems involving math and logic.
- num-traits
- cgmath
- num-integer
- nalgebra
- vecmath
- rug
- num-rational
- nzscq
- surreal
- num-complex
- and 273 more…
Machine learning
AI, ML, NN, etc.
- algorithmia
- tch
- vikos
- tensorflow-sys
- ffsvm
- rsrl
- torch-sys
- finalfusion
- dataset
- fbleau
- and 88 more…
Cryptography
Algorithms intended for securing data.
- rustls
- sha2
- curve25519-dalek
- ed25519-dalek
- sha-1
- sha3
- blake2
- aes_frast
- zkinterface
- randomorg
- and 755 more…
Parser tooling
Low-level tools and parser generators.
- combine
- nom
- pest
- semver
- globset
- pom
- pest_meta
- ress
- tweet
- pomelo
- and 399 more…
No standard library
Libraries that function without the Rust standard library.
- bitflags
- typenum
- uom
- libm
- cargo-call-stack
- memoffset
- half
- x86_64
- almost
- bit_reverse
- and 232 more…
Parser implementations
Parse data formats or languages.
- csv
- syntect
- xml-rs
- json
- url
- html5ever
- prometheus
- libxml
- ownrs
- vojaq_parser
- and 394 more…
Filesystem
Crates for dealing with files and filesystems.
- walkdir
- dirs
- tempfile
- notify
- directories
- inotify
- mime_guess
- amethyst_assets
- dua-cli
- remove_dir_all
- and 327 more…
Web programming
Create applications for the Web.
- http
- stdweb
- h2
- jsonwebtoken
- ammonia
- jsonrpc-pubsub
- constellation-server
- rocket_json
- urlshortener
- rocket-json-response
- and 617 more…
HTTP client
Make HTTP network requests.
- curl
- jsonrpc-core
- reqwest
- hyper
- elefren
- mio_httpc
- restson
- crossterm_cursor
- chttp
- fastcgi-client
- and 236 more…
HTTP server
Serve data over HTTP.
- actix-web
- tiny_http
- hyper-tls
- jsonrpc-http-server
- miniserve
- rust-embed
- warp
- actix-http
- actix-http-test
- replicante_util_iron
- and 332 more…
WebSocket
Communicate over the WebSocket protocol.
- websocket
- ws
- tungstenite
- websocat
- tokio-tungstenite
- servo-websocket
- whois-rust
- soketto
- jsonrpc-ws-server
- websocket-lite
- and 42 more…
WebAssembly
Targeting or manipulating WebAssembly.
Command-line interface
Argument parsers, line-editing, or output coloring and formatting.
- clap
- termion
- docopt
- colored
- structopt
- rustyline
- termcolor
- crossterm
- crossterm_input
- cmdr
- and 233 more…
Command line utilities
Applications to run at the command line.
- ripgrep
- fd-find
- bat
- tokei
- xargo
- cargo-watch
- git-brws
- sd
- broot
- slick
- and 847 more…
Hardware support
Interface with specific CPU or other hardware features.
- num_cpus
- rppal
- raw-cpuid
- packed_simd
- serialport
- simdeez
- simd
- snap7-sys
- blake2b_simd
- blake2s_simd
- and 420 more…
Embedded development
For embedded devices or devices without an operating system.
- cortex-m-rt
- embedded-hal
- cortex-m
- bare-metal
- ssd1306
- cortex-m-semihosting
- stm32f1xx-hal
- embedded-graphics
- max7219
- stm32f7x7-hal
- and 558 more…
Memory management
Allocation, memory mapping, garbage collection, reference counting, or interfaces to foreign memory managers.
- slab
- jemallocator
- bumpalo
- memmap
- alloc-no-stdlib
- jemalloc-sys
- generational-arena
- jemalloc-ctl
- jemallocator-global
- rustc-ap-arena
- and 154 more…
Database interfaces
Interface with database management systems.
- diesel_cli
- rusqlite
- redis
- r2d2
- diesel
- mongodb
- lapin-futures
- lapin-async
- prometheus_iota_exporter
- r2d2_redis_cluster
- and 624 more…
Date and time
Dealing with the fourth dimension.
- chrono
- humantime
- chrono-tz
- google-calendar3
- date_time
- timeago
- livesplit-core
- sw-composite
- piston-timer_controller
- ffxiv_types
- and 121 more…
Database implementations
Database management systems implemented in Rust.
- sonic-server
- tantivy
- pagecache
- libimagerror
- msql-srv
- libimagutil
- libimagstore
- persy
- kalavara
- imag-ref
- and 104 more…
Compression
Algorithms for making data smaller.
- flate2
- brotli
- brotli-decompressor
- libflate
- snap
- inflate
- zstd
- ripgrep_all
- compression
- huffman-compress
- and 159 more…
Value formatting
Format values for display to a user, potentially adapting the display to various languages and regions.
- itoa
- dtoa
- measurements
- validators
- numtoa
- base-x
- signifix
- money_type
- radix_fmt
- chinese-number
- and 78 more…
Internationalization (i18n)
and localization (l10n). Develop software for various languages and regions.
Template engine
Combine templates with data to produce documents, usually with an emphasis on processing text.
- handlebars
- tera
- liquid
- horrorshow
- askama_shared
- handlebars-iron
- ructe
- new-rust-project
- teraron
- display-as
- and 146 more…
Email
Sending, receiving, formatting, and parsing email.
- mime
- imap
- publicsuffix
- lettre
- validator
- mailparse
- buzz
- mailchecker
- sequoia-rfc2822
- lettre_email
- and 102 more…
Multimedia
Audio, video, and image processing or rendering engines.
- gstreamer
- tox-node
- gstreamer-base
- palette
- gstreamer-video
- gstreamer-app
- gstreamer-sdp
- screenshot-rs
- piston-button_tracker
- tox
- and 247 more…
Images
Process or build images.
- image
- lodepng
- rgb
- imgref
- jpeg-decoder
- rustface
- lcms2
- file-metadata
- tinyppm
- camera_controllers
- and 247 more…
Audio
Record, output, or process audio.
- sample
- lewton
- libpulse-sys
- id3
- allegro_acodec
- ghakuf
- ears
- amethyst_audio
- sonos
- audio_thread_priority
- and 256 more…
Encoding media
Encode or decode binary data in multimedia formats.
- crossterm_style
- claxon
- hound
- xdr-codec
- kamadak-exif
- opus
- codicon
- indy-sys
- impl-codec
- audiopus_sys
- and 60 more…
Video
Record, output, or process video.
- gifski
- mpeg2ts-reader
- mp4parse
- y4m
- rscam
- gif-dispose
- skeletal_animation
- gif
- dirs-sys
- rusoto_kinesis_video_archived_media
- and 77 more…
Rendering
Real-time or offline rendering of 2D or 3D graphics, usually on a GPU.
- sdl2
- rusttype
- sdl2-sys
- gltf
- gfx-hal
- stb_truetype
- rendy-memory
- rendy-graph
- rendy-command
- rendy-resource
- and 361 more…
Graphics APIs
Direct access to the hardware's or the operating system's rendering capabilities.
- gl_generator
- glium
- gl
- gfx_core
- piston2d-graphics
- gfx_device_gl
- lyon_geom
- timberwolf
- gfx-backend-vulkan
- metal
- and 361 more…
Gfx data formats
Loading and parsing of data for 2D/3D rendering, like 3D models or animations.
- svg
- wavefront_obj
- allegro_font
- piston3d-cam
- allegro_ttf
- allegro_image
- fbxcel
- blender-mesh
- collada
- bvh_anim
- and 37 more…
Rendering engine
High-level solutions for rendering on the screen.
- meshopt
- spirv_cross
- spirv-reflect
- amethyst_renderer
- piston2d-sprite
- specs_sprite
- glerminal
- alchemy
- spritesheet-generator
- intel_tex
- and 19 more…
GUI
Create a graphical user interface.
- gtk
- winit
- wayland-client
- glib
- imgui
- relm
- sciter-rs
- wayland-scanner
- wayland-commons
- wayland-sys
- and 334 more…
Configuration
Configuration management for applications.
- dotenv
- config
- over
- rust-ini
- envy
- envmnt
- rusoto_config
- ucg
- preftool-app-config
- preftool-env
- and 118 more…
Caching
Store the results of previous computations.
- cached
- bloom-server
- warmy
- lru-cache
- lru
- nats
- cargo-cache
- ice-age
- simple_proxy
- cacache
- and 70 more…
Visualization
Ways to view data, such as plotting or graphing.
- cadence
- gnuplot
- criterion-plot
- dipstick
- plotlib
- voidmap
- pathfinder
- metrics
- urdf-viz
- plotters
- and 59 more…
Authentication
Help with the process of confirming identities.
- yup-oauth2
- ffsend
- rusoto_credential
- frank_jwt
- yubico
- authy
- cloak
- steam-auth
- oauth2
- osauth
- and 124 more…
Cryptocurrencies
Coins, blockchains and wallets.
- solana-sdk
- beserial
- exonum-btc-anchoring
- bitcoin
- solana-logger
- coinnect
- ethabi
- bitmex
- abci
- triehash
- and 327 more…
Game development
Crates for creating games.
- amethyst
- ggez
- amethyst_config
- laminar
- shrev
- amethyst_input
- amethyst_utils
- amethyst_ui
- amethyst_test
- amethyst_derive
- and 284 more…
Games
Fun and entertainment. Games implemented in the Rust programming language.
Emulators
Run software or games not available natively on the host computer.
- resid-rs
- rbpf
- sbrain
- virt
- zeerust
- runes
- dynasmrt
- ckb-vm
- ludus
- simavr-sys
- and 87 more…
Simulation
Model or construct models for some activity, e.g. to simulate a networking protocol.
- myelin-engine
- modVM
- q1tsim
- dmd_core
- lc3-rs
- dqcsim
- dbgen
- peach
- bender
- pns
- and 34 more…
Text editors
Applications for editing text.
- smith
- git-interactive-rebase-tool
- notnow
- accepted
- amp
- scribe
- org
- emacs-rs-module
- emacs_module
- paper
- and 31 more…

Formely Crates.rs. By kornelski. (Source code). Feed. Feedback and feature requests are welcome!