All 305,250 crates, alphabetically

tokenmasterCore context-budget metering and decision engine for LLM applications: normalized token accounting, effective-budget gauges,…359MITDevelopment tools tokenmix-cliCLI for TokenMix — one API key for GPT-5, Claude, Gemini, DeepSeek and 155+ LLMs19MITAPI bindingsCommand line utilities tokenmonsterGreedy tiktoken-like tokenizer with embedded vocabulary (cl100k-base approximator)673MITAlgorithmsText processing tokenomicA Bitcoin lib for interacting with tokens1,451MITAPI bindingsCryptography::Cryptocurrencies tokenomics-simulatorSimulate trades, calculate various metrics, and predict user behaviour over different time intervals.32,800MIT tokenparsertakes Figma Tokens JSON and outputs CSS4,949MIT tokensWhitespace and quoted-strings tokenizer22MIT OR Apache-2.0 tokens-n-craftstoken utility25MIT OR Apache-2.0 tokensaveCode intelligence tool that builds a semantic knowledge graph from Rust, Go, Java, Scala, TypeScript, Python, C, C++, Kotlin, C#,…3,992MITCommand line utilitiesDevelopment tools tokensave-large-treesittersAll tree-sitter grammars for tokensave (47 languages)3,669MIT tokensave-lite-treesittersEssential tree-sitter grammars for tokensave (7 languages)4,461MIT tokensave-medium-treesittersCommon tree-sitter grammars for tokensave (18 languages)4,431MIT tokenstream2-tmplRuntime TokenStream interpolation for Rust macros17,614MITDevelopment tools::Procedural macro helpers tokentrimmer-clientTyped Rust client for the TokenTrimmer gateway (OpenAI-compatible chat + cost/savings surfacing).36Apache-2.0 tokentruthIndependent verification of AI coding agent token-savings claims, computed from raw session transcripts.12MIT tokenuinelySemantic codebase index for AI agents — replace grep/glob with one smart tool call58MITCommand line utilitiesDevelopment tools tokenusageFast Rust CLI/TUI/GUI token usage tracker for Codex, Claude Code, and Antigravity usage.442MITCommand line utilitiesDevelopment tools tokenxvocab-free heuristic LLM token-count estimation45MITParsing toolsText processing tokenx-rsFast token count estimation for LLMs at 96% accuracy without a full tokenizer1,728MITAlgorithmsText processing tokeraProvides an interface into Tokera and its supporting services4,943MIT OR Apache-2.0AuthenticationCommand line utilities toketVault token manager2,630MIT tokfConfig-driven CLI tool that compresses command output before it reaches an LLM context1,442MITCommand line utilitiesDevelopment tools tokf-commonShared types and utilities for the tokf CLI tool1,570MITCommand line utilitiesDevelopment tools tokf-filterPure filter engine for tokf — config-driven output compression1,197MITCommand line utilitiesDevelopment tools tokf-hook-typesShared hook and permission types for tokf integrations678MITCommand line utilitiesDevelopment tools tokiA minimal single-threaded async runtime for ultra-low-latency Linux systems153MITAsynchronousNetwork programming toki-noA minimal and fast async runtime, written in pure Rust.619MITAsynchronousConcurrency toki-noteTiny SQLite-backed CLI for quickly adding, listing, and exporting personal schedules47MITCommand line utilities tokiactortokio based Actor framework4,975MIT tokidToken-native IDs for LLM-facing systems27ISCEncodingParser implementations tokidatorToken based authentication framework12,537MIT tokidexmacOS terminal UI for inspecting local Codex token usage60MITCommand line utilities tokidokiA tokenizer library418Apache-2.0 tokieBlazingly fast tokenizer - 50x faster tokenization, 10x smaller model files, 100% accurate drop-in replacement for HuggingFace797MIT OR Apache-2.0ScienceText processing tokilakeTokilake - High-performance tunnel and gateway ecosystem37MITAsynchronousDevelopment tools tokilake-coreTokilake Core - High-performance tunnel gateway core library67MITAsynchronousDevelopment tools tokilake-smuxTokilake SMUX - Wire-compatible smux protocol, zero-overhead Rust implementation100MITAsynchronousDevelopment tools tokimakTokio task reactor2,280MIT tokimonoA fast, modern, Tokio-powered terminal system monitor for Linux.15Apache-2.0Command line utilities tokinExperimental fast tokenizer.1,097MIT tokinotifyfile watching for async contexts1,899MIT tokioAn event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.825,725,475MITAsynchronousNetwork programming tokio-actorMacro based Asynchronous Actor System2,750MIT tokio-actorsOTP-faithful actors for Tokio: panic-visible supervision, restart strategies, and Erlang-grade lifecycle semantics with zero…1,865MIT OR Apache-2.0AsynchronousConcurrency tokio-adjustable-timeoutadjustable timeout2,711MIT tokio-aeadAn AEAD encryption/decryption stream for tokio1,831MIT/Apache-2.0 tokio-agentAgents are a simple abstraction around state, inspired by Elixir's Agent.2,200MIT tokio-agent-memoryTokio-native agent memory: episodic, semantic, and working memory with decay scheduling, persistence, and multi-agent bus27MITAsynchronousMemory management tokio-amqplapin integration with tokio651,782MITDatabase interfaces tokio-anon-pipeAsynchronous anonymous pipe for Windows.4,580MIT/Apache-2.0Asynchronous tokio-anyfdUse any suitable file descriptor with tokio6,022BSD-3-Clause tokio-anysocketAbstracted API over tokio's TCP and Unix streams.46Apache-2.0AsynchronousNetwork programming tokio-arLibrary for encoding/decoding Unix archive files (tokio support)216MIT tokio-arangodbarangodb driver4,703MIT tokio-asyncEmpty crate, used only to reserve the name3,956MIT tokio-async-attributestokio-async-std's proc macros.3,309MITAsynchronous tokio-async-awaitExperimental async/await support for Tokio77,047MITAsynchronous tokio-async-await-testA macro for better async/await tokio testing2,136MIT/Apache-2.0 tokio-async-dropmacro to enable async drop in a tokio multithreaded runtime1,100,938WTFPLAsynchronousRust patterns tokio-async-ioPort of the `smol::Async` to tokio 0.21,674Apache-2.0AsynchronousConcurrency tokio-async-stdAn async-std that can fit into tokio ecosystem straight ahead14,098MITAsynchronousConcurrency tokio-async-utilsAsync utils such as TaskHandle type that aborts task on handle drop.5,313MIT tokio-async-write-utilitySome helper functions for types impl AsyncWrite.1,622MITAsynchronous tokio-attributesReserved for in-progress crate1,790MIT tokio-aws-lcTokio-friendly TLS server and client built directly on aws-lc-sys, with optional Linux kTLS offload.41BSD-2-ClauseAsynchronousCryptography tokio-backdoorBackdoored crate for educational purpose. https://kerkour.com/rust-crate-backdoor2,909Apache-2.0 tokio-batchDeprecated. Use futures-batch instead. An adaptor that chunks up elements and flushes them after a timeout or when the buffer is…26,098MIT OR Apache-2.0 tokio-beanstalkdAsynchronous client library for interacting with Beanstalkd work queue.7,978MITAPI bindingsAsynchronous tokio-bichannelBidirectional tokio::sync::mpsc channel3,735MIT tokio-bin-processrun your application under a separate process with tokio tracing assertions when integration testing31,739Apache-2.0 tokio-binanceUnofficial async client for Binance.8,045MIT/Apache-2.0API bindingsCryptography::Cryptocurrencies tokio-bincodeBincode based `tokio-codec` adapter.6,156MITAsynchronousNetwork programming tokio-bincodecA fork of `tokio-bincode`1,578MITAsynchronousNetwork programming tokio-bind-retryBind a tokio TcpListener / UdpSocket with exponential backoff and cancellation support.106MITAsynchronousNetwork programming tokio-bistBult-in self-test runner for Tokio-based applications137MIT tokio-bitsA collection of modules useful when developing Tokio based applications.4,960Apache-2.0 tokio-bitstream-ioTokio port of bitstream-io: Library for reading/writing un-aligned values from/to streams in big-endian and little-endian formats.35,692MIT/Apache-2.0 tokio-blockedtracing layer that logs tokio tasks that are blocked for too long - helps find synchronous or CPU heavy code in async tokio code.90,137MIT OR Apache-2.0 tokio-blockingA thin wrapper to provide a simple interface to insert blocking operations between non-blocking operations in the context of…3,708MIT tokio-boringAn implementation of SSL streams for Tokio backed by BoringSSL2,577,062MIT OR Apache-2.0 tokio-boring-impAn implementation of SSL streams for Tokio backed by BoringSSL41,236MIT OR Apache-2.0 tokio-boring-venditAn implementation of SSL streams for Tokio backed by BoringSSL1,037MIT OR Apache-2.0 tokio-boring2An implementation of SSL streams for Tokio backed by BoringSSL1,795,111MIT OR Apache-2.0 tokio-borrow-stdioTemporarily expose standard input and output to a Tokio core.3,298MITAsynchronousOperating systems::Unix APIs tokio-boundEmpty crate, used only to reserve the name1,908MIT tokio-bridgereserved for in-progress crate1,761MIT tokio-btlsAn implementation of SSL streams for Tokio backed by BoringSSL94,116MIT OR Apache-2.0 tokio-bufAsynchronous stream of byte buffers9,476,429MITAsynchronous tokio-busA message bus with tokio support6,514MIT tokio-by-handsimple futures2,022WTFPL OR MIT OR Apache-2.0 tokio-byteorderAsynchronous library for reading/writing numbers in big-endian and little-endian.396,645Unlicense OR MITAsynchronousEncoding tokio-bytesEmpty crate, used only to reserve the name1,922MIT tokio-cacheNon-blocking caches that can be used with Tokio.3,289MPL-2.0AsynchronousCaching tokio-cadenceTokio-based metric sinks for Cadence46,712MIT tokio-cancel-guardZero-cost cancellation-safety primitives for tokio::select! — DeferGuard, Shield, and CancelTrack13MITAsynchronousConcurrency tokio-cassandraCassandra Protocol 3 Driver using Tokio2,298MIT tokio-castCAST algorithm implementation for code RAG pipelines, powered by tokio-actors25MIT OR Apache-2.0AsynchronousDevelopment tools tokio-cdpReserved for https://github.com/devtools-html/tokio-cdp1,949MPL-2.0Network programming tokio-ceglaTokio-based runtime support for `cegla-*` crates.12,269MITNetwork programmingWeb programming tokio-centrifugeUnofficial Rust Client SDK for Centrifugo.4,562MIT tokio-channelChannels for asynchronous communication using Tokio.11,685MITAsynchronous tokio-channels-consoleLike tokio-console, but for channels.163MITDevelopment tools tokio-childstreamConvert a tokio::process::Child into a Stream for stdout, stderr, and exit events.3,169MIT tokio-clireserved for in-progress crate1,833MIT tokio-clickhouseTokio ClickHouse client1,976MITDatabase interfaces tokio-coapLow-level protocol implementaion of the Constrained Application Prorocol (CoAP) built on top of tokio-core.5,272MIT/Apache-2.0 tokio-codecUtilities for encoding and decoding frames.15,576,717MITAsynchronous tokio-commandEmpty crate, used only to reserve the name1,882MIT tokio-command-fdsA library for passing arbitrary file descriptors when spawning child processes.6,023Apache-2.0Operating systems::Unix APIs tokio-compatCompatibility between `tokio` 0.2 and legacy versions.588,054MITAsynchronousNetwork programming tokio-compat-02Tokio 0.2 compat utilities550,430MIT tokio-compressEmpty crate, used only to reserve the name1,859MIT tokio-condvarA Condition Variable for Tokio Applications119,968MIT tokio-connectEmpty crate, used only to reserve the name2,056MIT tokio-connectorsA collection of connectors for tokio-based clients and servers481MIT / Apache-2.0 tokio-consoleThe Tokio console: a debugger for async Rust.503,589MITAsynchronousCommand line utilities tokio-console-webA web console for tokio9,318MIT tokio-contextContexts for cancelling asynchronous tasks using tokio68,588MITAsynchronousDevelopment tools tokio-copy-with-buffertokio_io::io::copy that can take additional buffer parameter and also returns if back to you.1,986MIT/Apache-2.0Asynchronous tokio-coreCore I/O and event loop primitives for asynchronous I/O in Rust. Foundation for the rest of the tokio crates.6,585,465MIT/Apache-2.0Asynchronous tokio-cqlNative cassandra cql client using tokio2,365Apache-2.0/MIT tokio-cqrs-es2-storeAsync implementation of the cqrs-es2 store.8,667MIT tokio-cronA simple cron scheduler for tokio34,594MIT tokio-cron-schedulerSchedule tasks on tokio using cron-like annotation, at an instant or repeat them at a fixed duration. Tasks can optionally be…4,967,962MIT/Apache-2.0Date and time tokio-ctrlc-errorEasy handling of keyboard interrupts with tokio5,416AGPL-3.0 tokio-curlAn implementation of an asynchronous HTTP client using futures backed by libcurl.63,371MIT/Apache-2.0AsynchronousWeb programming::HTTP client tokio-current-threadSingle threaded executor which manage many tasks concurrently on the current thread.19,078,435MITAsynchronousConcurrency tokio-damengDameng database async driver with tokio58MITDatabase interfaces tokio-dbtokio database (prototype)1,843MIT/Apache-2.0 tokio-dbusPure Rust D-Bus implementation for Tokio.19,758MIT OR Apache-2.0AsynchronousOperating systems::Unix APIs tokio-dbus-corePure Rust D-Bus implementation for Tokio.6,265MIT OR Apache-2.0AsynchronousOperating systems::Unix APIs tokio-dbus-macrosPure Rust D-Bus implementation for Tokio.5,120MIT OR Apache-2.0AsynchronousOperating systems::Unix APIs tokio-dbus-xmlPure Rust D-Bus implementation for Tokio.5,118MIT OR Apache-2.0AsynchronousOperating systems::Unix APIs tokio-ddmwUtility library for integrating clients against DDMW.30,7530BSD tokio-debouncerA minimal async debouncer for signal batching in Tokio7,756MITAsynchronousConcurrency tokio-deflateEmpty crate, used only to reserve the name1,900MIT tokio-devdA Tokio-based library for listening to device events on FreeBSD669MITOperating systems::FreeBSD APIs tokio-dieselIntegrate Diesel into Tokio cleanly and efficiently.54,804MIT/Apache-2.0AsynchronousDatabase interfaces tokio-dioA simple Direct IO supporting crates for bypassing Operating system pages loads1,617MIT OR Apache-2.0 tokio-dl-stream-to-diskA micro-library for downloading from a URL and streaming it directly to the disk51,290MIT tokio-dnsEmpty crate, used only to reserve the name2,320MIT tokio-dns-unofficialUnofficial extension to tokio to provide asynchronous DNS resolution401,842Apache-2.0/MIT tokio-dpdkEmpty crate, used only to reserve the name1,912MIT tokio-driftBlazingly fast without tread safety1,537MIT tokio-dstipGet a packet's destination IP address whilst using Tokio on Linux and macOS2,523MITAPI bindingsNetwork programming tokio-dtls-stream-sinkTokio-based stream and sink API for UDP datagrams over DTLS11,787MIT OR Apache-2.0 tokio-dtraceDTrace probes for Tokio161,269MIT OR Apache-2.0 tokio-duplexCombine seperate `AsyncRead` and `AsyncWrite` types into a single `AsyncRead + AsyncWrite` type39,522MIT OR Apache-2.0 tokio-easy-timerA tokio-based task scheduler, with a user-friendly API2,742MIT OR Apache-2.0Asynchronous tokio-eereserved for in-progress crate1,616MIT tokio-eldHistogram-based sampler for recording and analyzing event loop delays458,422MIT OR Apache-2.0 tokio-enetA pure Rust implementation of the ENet reliable UDP networking library2,599BSD-2-ClauseGame developmentNetwork programming tokio-enterprise-editionreserved for in-progress crate1,617MIT tokio-etcdAn opinionated etcd client for use with tokio1,227MIT tokio-etcd-grpc-clientThe crate containing the generated protobufs/clients for tokio-etcd. Not recommended for direct use.1,515MIT tokio-etcd-lockWIP16,946MIT tokio-evacuateA future for coordinating controlled shutdown of participants.6,619MIT tokio-eventfdLinux eventfd for tokio525,717MIT tokio-eventsA modern, type-safe async event bus for Rust applications148MIT OR Apache-2.0AsynchronousConcurrency tokio-events-macrosProcedural macros for tokio-events85MIT OR Apache-2.0 tokio-executorFuture execution primitives23,818,566MITAsynchronousConcurrency tokio-executor-traitexecutor-trait implementation for tokio3,908,984Apache-2.0 OR MITAsynchronousConcurrency tokio-extra-macrosExtra proc macros for Tokio.4,008MITAsynchronous tokio-fastcgiFastCGI handler (responder, authorizer, filter) library for Tokio11,759Apache-2.0AsynchronousNetwork programming tokio-fdNon-blocking Read and Write a Linux File Descriptor765,465MIT OR Apache-2.0AsynchronousOperating systems::Unix APIs tokio-fileAsynchronous file I/O for Tokio18,304MIT OR Apache-2.0AsynchronousFilesystem tokio-file-futuresSome basic futures on top of tokio-fs's polled file operations1,955GPL-3.0 tokio-file-unixAsynchronous support for epollable files via Tokio on Unix-like platforms189,514MIT/Apache-2.0Asynchronous tokio-fluentA fluentd client using tokio19,334MIT tokio-fmt-encoderA Tokio Encoder for Debug and Display4,417MIT/Apache-2.0 tokio-forkFork a process and wait the child process asynchronously4,483MITAsynchronousOperating systems::Unix APIs tokio-fsFilesystem API for Tokio.14,878,579MITAsynchronousFilesystem tokio-fs-extExtend tokio fs to be compatible with native and wasm48,294MIT tokio-fsmCompile-time generated Tokio async finite state machines with explicit Rust behavior189MITAsynchronousConcurrency tokio-fsm-coreCore runtime types for tokio-fsm28MIT tokio-fsm-macrosProc macro for generating Tokio async finite state machines289MITAsynchronousDevelopment tools::Procedural macro helpers tokio-fusionA high-performance thread pool service based on Tokio544Apache-2.0AsynchronousConcurrency tokio-futuresEmpty crate, used only to reserve the name2,162MIT tokio-futures-byteorderAsynchronous library for reading/writing numbers in big-endian and little-endian.7,283Unlicense OR MITAsynchronousEncoding tokio-futures-orderEnforce execution order of multiple tasks.282MITConcurrencyDevelopment tools tokio-futures-respawnUtility function to respawn failed long running tasks4,954MIT OR Apache-2.0 tokio-gaussdbA native, asynchronous GaussDB client based on PostgreSQL1,148MIT OR Apache-2.0Database interfaces tokio-geminiGemini protocol client and server implementation written in Rust with Tokio7,268Apache-2.0Network programming tokio-globalGlobal tokio runtime7,524Apache-2.0 tokio-goRun async closures on reusable profile-dedicated Tokio runtimes5,774MIT OR Apache-2.0AsynchronousConcurrency tokio-gpiodLinux GPIO character device interfacing with tokio169,267MITAsynchronousOperating systems tokio-gracefulutil for graceful shutdown of tokio applications1,733,079MIT OR Apache-2.0AsynchronousNetwork programming tokio-graceful-shutdownUtilities to perform a graceful shutdown on a Tokio based service.592,539MIT OR Apache-2.0Asynchronous tokio-graceful-shutdown-without-anyhowUtilities to perform a graceful shutdown on a Tokio based service.1,957Apache-2.0Asynchronous tokio-graphqlGraphQL implementation built on top of tokio-http2, topkio-proto and other async libraries.2,377Apache-2.0 tokio-grpcEmpty crate, used only to reserve the name2,126MIT tokio-gzipEmpty crate, used only to reserve the name1,883MIT tokio-h2Empty crate, used only to reserve the name2,076MIT tokio-h2muxStream multiplexing via HTTP/2 (like yamux)4,599MITNetwork programming tokio-h3Reserved for in-progress crate1,772MIT tokio-happy-eyeballsHappy Eyeballs (RFC 8305) for dual-stack IPv6/IPv4 connections.5,033MIT tokio-hglibTokio-based async client library for Mercurial command server6,782MIT tokio-hidgLinux USB HID Gadget emulation for tokio async runtime4,541MITAsynchronousOperating systems tokio-hotellet's bring 2007 back6,571MIT tokio-hrtimeHires timers for tokio59,097CC0-1.0AsynchronousOperating systems