BROWSE A-Z
All 305,250 crates, alphabetically
Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.
syn_squashProc attribute macro helper to capture many Syn types and define shared behaviour14,623MIT
syn_strThis library is what syn is to proc_macro::TokenStream for proc_macro::TokenStream::to_string,quote! being format! with…17,908Apache-2.0/MIT
syn_utilhelper APIs for procedural macros967,527MIT/Apache-2.0
synacSynac client library for Rust28,621non-standard
synadbAn AI-native embedded database638LicenseRef-SynaDB
synapa tiny software neural network and linear algebra library2,678GPL-3.0-or-later
synap-protocolSynap wire protocol — RESP3 and SynapRPC (MessagePack) serialization/parsing32Apache-2.0
synap-sdkRust SDK for Synap - High-Performance In-Memory Key-Value Store & Message Broker513Apache-2.0
synappsSimple event dispatcher for Rust applications. It allows senders to send messages to topics. Subscribers will then receive the…1,863non-standard
synapsTerminal-native AI agent runtime — parallel orchestration, reactive subagents, MCP, autonomous supervision439Apache-2.0
synaps-cliTerminal-native AI agent runtime — parallel orchestration, reactive subagents, MCP, autonomous supervision11MIT
synaps-coreFoundation types, config, session, auth, protocol — leaf crate for agent-runtime501Apache-2.0
synaps-engineRuntime engine — streaming, tools, MCP, skills, extensions, sidecar436Apache-2.0
synaps-tuiTerminal UI layer — ratatui, crossterm, syntect, tachyonfx370Apache-2.0
synapseNeural Communication Network with Federated Identity and Blockchain Trust896MIT OR Apache-2.0
synapse-admin-apiTypes for the endpoints in the synapse admin API.12,774MIT
synapse-cliCLI for Synapse - Configuration Language for Memory Systems22MIT
synapse-clientRust client SDK for Synapse memory runtime93MIT
synapse-codegenCode generation from protobuf service definitions for Synapse144Apache-2.0
synapse-contextShared bound-context store (base ⊕ TTL'd overlay), reused verbatim by synapse-proxy and synapse-mcp without a cyclic path…54AGPL-3.0-only
synapse-coreA neuro-symbolic semantic engine for OpenClaw, combining graph databases with vector operations.268MIT
synapse-dslDSL parser for Synapse memory configuration language (.mnm)140MIT
synapse-engineSynapse-Engine — curation and orchestration. Instruct-tuned, MCP-native models that take raw corpora (conversations, decisions,…20LicenseRef-Proprietary
synapse-gatewayOpenAI-compatible LLM router and gateway with streaming, tool calling, multi-provider fallback, native Vertex AI, and per-tenant…453AGPL-3.0-only
synapse-macrosProcedural macros for Synapse RPC (derive RpcError, arc_wrap)295Apache-2.0
synapse-mcpOn-demand MCP gateway for the synapse-proxy sandbox broker: transparent per-server routing over Streamable HTTP with per-session…59AGPL-3.0-only
synapse-modelsBiophysical synapse models for neural simulations with short-term plasticity350MIT OR Apache-2.0
synapse-mtlsMutual TLS utilities for Synapse services296Apache-2.0
synapse-oneSynapse One — AI query interface for governed context.18LicenseRef-Proprietary
synapse-primitivesCore types and ID hashing for Synapse RPC framework367Apache-2.0
synapse-protoProtocol Buffers message definitions for Synapse RPC295Apache-2.0
synapse-proxyConfig-driven reverse-proxy sidecar: path-prefix routing, static header injection, and streaming passthrough.195AGPL-3.0-only
synapse-rpcRPC data structures used by synapse27,546ISC
synapse-rpc-coreRPC runtime, codecs, and handler system for Synapse223Apache-2.0
synapse-rsA standardized metric system (Vortex, Radiance, Axon) to evaluate real-world network quality beyond simple speed tests.44MIT
synapse-runtimeMulti-backend runtime for Synapse memory systems (SQLite, Qdrant, Neo4j)84MIT
synapse-sdkSDK for building Synapse microservices144Apache-2.0
synapse-sessionOn disk metadata structures used by synapse1,929ISC
synapse-traceTracing and observability for Synapse services93Apache-2.0
synapse-wafHigh-performance WAF and reverse proxy with embedded intelligence — built on Cloudflare Pingora39AGPL-3.0-only
synapse_fbsGenerated Rust FlatBuffers bindings for Synapse schemas549Apache-2.0
synapse_pbProtobuf messages for CogniPilot Synapse9,265Apache-2.0
synapse_protobufProtobuf messages for CogniPilot Synapse3,254Apache-2.0
synapticA Rust agent framework with LangChain-compatible architecture267MIT
synaptic-anthropicAnthropic integration for Synaptic: ChatModel313MIT
synaptic-bedrockAWS Bedrock integration for Synaptic: ChatModel via Converse API204MIT
synaptic-browserBrowser automation tools for the Synaptic AI agent framework91MIT
synaptic-cacheLLM response caching: InMemory, Semantic, CachedChatModel293MIT
synaptic-callbacksCallback handlers: RecordingCallback, TracingCallback, CompositeCallback408MIT
synaptic-chromaChromaDB vector store integration for Synaptic205MIT
synaptic-cohereCohere integration for Synaptic: Reranker and DocumentCompressor218MIT
synaptic-condenserContext condensation strategies for the Synaptic AI agent framework156MIT
synaptic-configMulti-format configuration layer for the Synaptic AI agent framework221MIT
synaptic-confluenceConfluence document loader for Synaptic180MIT
synaptic-coreCore traits and types for Synaptic: ChatModel, Message, Tool, SynapticError3,590MIT
synaptic-daa-swarmDistributed Autonomous Agent swarm intelligence framework for Synaptic Neural Mesh754MIT OR Apache-2.0
synaptic-deepDeep agent harness for Synaptic — planning, filesystem, subagents, skills, memory276MIT
synaptic-deepseekDeepSeek provider for Synaptic: ultra-low-cost reasoning models97MIT
synaptic-e2bE2B code execution sandbox for Synaptic181MIT
synaptic-elasticsearchElasticsearch vector store integration for Synaptic198MIT
synaptic-embeddingsEmbeddings trait with Fake and CacheBacked providers669MIT
synaptic-evalEvaluation: ExactMatch, JsonValidity, Regex, EmbeddingDistance, LLMJudge evaluators291MIT
synaptic-fireworksFireworks AI integration for Synaptic — ultra-fast open model inference100MIT
synaptic-flashrankFast local cross-encoder reranker for Synaptic (BM25-based, zero external dependencies)186MIT
synaptic-geminiGoogle Gemini integration for Synaptic: ChatModel312MIT
synaptic-graphLangGraph-style state machine: StateGraph, CompiledGraph, ReAct agent, checkpointing866MIT
synaptic-groqGroq provider for Synaptic: ultra-fast LLM inference via Groq LPU98MIT
synaptic-huggingfaceHuggingFace Inference API integration for Synaptic: Embeddings184MIT
synaptic-jinaJina AI embeddings and reranker for Synaptic185MIT
synaptic-lancedbLanceDB embedded vector store for Synaptic — serverless embedded vector database182MIT
synaptic-langfuseLangfuse observability integration for Synaptic164MIT
synaptic-larkFeishu/Lark integration for Synaptic: document loader, Bitable tool, message tool186MIT
synaptic-loadersDocument loaders: Text, JSON, CSV, Markdown, Directory, Web, Notion, GitHub, YouTube, arXiv295MIT
synaptic-macrosProcedural macros for the Synaptic framework (#[tool], #[chain], #[entrypoint], etc.)927MIT
synaptic-mcpMCP (Model Context Protocol) adapters for Synaptic — Stdio, SSE, HTTP transports341MIT
synaptic-memoryConversation memory: Buffer, Window, Summary, SummaryBuffer, TokenBuffer strategies395MIT
synaptic-mesh-cliCLI library for Synaptic Neural Mesh - complete integration with Synaptic Market863MIT OR Apache-2.0
synaptic-metricsPrometheus metrics exporter for Synaptic agent telemetry90MIT
synaptic-middlewareMiddleware system for Synaptic agents: AgentMiddleware trait and built-in middlewares1,032MIT
synaptic-milvusMilvus vector store for Synaptic181MIT
synaptic-mistralMistral AI provider for Synaptic: chat models and embeddings99MIT
synaptic-modelsProviderBackend abstraction and ChatModel wrappers (Retry, RateLimit, StructuredOutput, BoundTools)1,248MIT
synaptic-mongodbMongoDB Atlas Vector Search and graph checkpointer integration for Synaptic201MIT
synaptic-neural-meshNeural mesh coordination layer for distributed AI agents in Synaptic Neural Mesh959MIT OR Apache-2.0
synaptic-neural-wasmWASM-optimized neural network engine for Synaptic Neural Mesh with SIMD acceleration756MIT OR Apache-2.0
synaptic-nomicNomic AI embeddings for Synaptic181MIT
synaptic-ollamaOllama integration for Synaptic: ChatModel + Embeddings312MIT
synaptic-openaiOpenAI integration for Synaptic: ChatModel + Embeddings829MIT
synaptic-opensearchOpenSearch vector store for Synaptic181MIT
synaptic-parsersOutput parsers: String, JSON, Structured, List, Enum — all composable as Runnable343MIT
synaptic-pdfPDF document loader for Synaptic219MIT
synaptic-perplexityPerplexity AI integration for Synaptic — online search-augmented LLM99MIT
synaptic-pgvectorPostgreSQL + pgvector integration for Synaptic127MIT
synaptic-pineconePinecone vector store integration for Synaptic203MIT
synaptic-postgresPostgreSQL integration for Synaptic112MIT
synaptic-promptsPrompt templates: ChatPromptTemplate, FewShotChatMessagePromptTemplate342MIT
synaptic-qdrantQdrant vector store integration for Synaptic221MIT
synaptic-qudag-coreQuDAG core networking for Synaptic Neural Mesh - DAG-based consensus and P2P networking1,124MIT OR Apache-2.0
synaptic-redisRedis integration for Synaptic: Store and LlmCache234MIT
synaptic-retrievalDocument retrieval: BM25, MultiQuery, Ensemble, Compression, SelfQuery, ParentDocument385MIT
synaptic-runnablesLCEL composition: Runnable trait, pipe operator, Lambda, Parallel, Branch, Fallbacks647MIT
synaptic-sandboxContainer sandbox for secure code execution — Docker and Apple Container backends92MIT
synaptic-schedulerJob scheduling (cron + interval) for the Synaptic AI agent framework91MIT
synaptic-secretsSecret management and output masking for the Synaptic AI agent framework154MIT
synaptic-sessionStore-backed session lifecycle management for the Synaptic AI agent framework156MIT
synaptic-slackSlack message loader for Synaptic182MIT
synaptic-splittersText splitters: Character, Recursive, Markdown, HTML, Language, Token297MIT
synaptic-sqliteSQLite integration for Synaptic — cache, checkpointer, store, and vector store202MIT
synaptic-sqltoolkitSQL database toolkit for Synaptic: ListTables, DescribeTable, ExecuteQuery (read-only)184MIT
synaptic-storeKey-value storage for Synaptic agents: Store trait and InMemoryStore918MIT
synaptic-tavilyTavily search tool integration for Synaptic206MIT
synaptic-togetherTogether AI integration for Synaptic97MIT
synaptic-toolsTool registry and execution: ToolRegistry, SerialToolExecutor, ParallelToolExecutor975MIT
synaptic-vectorstoresVector store trait with in-memory cosine similarity implementation293MIT
synaptic-voiceVoice TTS/STT providers for the Synaptic AI agent framework92MIT
synaptic-voyageVoyage AI embeddings and reranker for Synaptic183MIT
synaptic-weaviateWeaviate vector database integration for Synaptic183MIT
synaptic-xaixAI Grok integration for Synaptic97MIT
synaptoCore orchestrator for the Synapto framework32MPL-2.0
synapto-aiLLM client implementation for the Synapto framework18MPL-2.0
synapto-battery-packSynapto battery pack10Apache-2.0
synapto-datadir-ephemeralEphemeral data directory provider for synapto testing12MPL-2.0
synapto-deriveDerive macros for the Synapto framework102MPL-2.0
synapto-interfaceInterface definitions for the Allusio AI framework93MPL-2.0
synapto-llmLLM client implementation for the Synapto framework45MPL-2.0
synapto-shutdownGraceful shutdown utilities for the Synapto framework81MPL-2.0
synapto-storage-localLocal filesystem storage provider for synapto12MPL-2.0
synapto-telemetryTelemetry and tracing definitions for the Synapto framework69MPL-2.0
synattraA Syn Attribute Parser Toolkit6,323,744Apache-2.0 OR MIT
synaxisSync AI coding tool config across Claude Code, OpenCode, Codex, and Gemini CLI — config-driven, single source of truth25MIT
synboundsHelper methods and macros for custom derives209MIT OR Apache-2.0
syncsynchronization primitives6,041MIT OR Apache-2.0
sync-ai-clisDetect, install, and keep up to date multiple AI coding CLIs (Claude Code, Codex, Gemini, Kiro, Antigravity) with one command202MIT
sync-arenaA simple, thread-safe arena allocator.4,286MIT OR Apache-2.0
sync-async-runnerRun async functions synchronously (like coroutines)1,830BSD-2-Clause
sync-authBidirectional auth credential sync for dev tools (Claude Code, GitHub CLI, GitLab CLI, Codex, Gemini CLI, and more) via Git…21Unlicense
sync-box一个高效的目录同步工具,支持实时监听文件变化并自动同步,可通过命令行直接使用或通过配置文件管理多个同步任务。582MIT
sync-cellA collection of easier to use thread-safe types for the creation of larger thread safe systems.4,367BSD-3-Clause
sync-cell-sliceCells and slices that are accessible from multiple threads33,464Apache-2.0 OR MIT
sync-codeSynchronize code blocks between different files438MIT OR Apache-2.0
sync-engineHigh-performance tiered sync engine with L1/L2/L3 caching and Redis/SQL backends551AGPL-3.0
sync-extraConvenience functions to Mutex and RwLock.1,469Apache-2.0
sync-fd`sync` primitives with associated file descriptors790Apache-2.0 OR MIT
sync-ldap-subtreesSyncs two LDAP subtrees on two different LDAP servers similar to rsync for files15,433MIT OR Apache-2.0
sync-linux-no-libcA project aiming to reimplement some of the most basic Rust std::sync utilities on Linux without the use of libc783MIT
sync-lsSynchronized language service inspired by async-lsp, primarily for tinymist.21,418Apache-2.0
sync-lspA synchronous LSP library for servers1,492MIT
sync-lsp-deriveMacros for the sync-lsp crate1,877MIT
sync-no-stdCross-platform interface to the synchronization primitives.12,391MIT OR Apache-2.0
sync-oneshotA minimal oneshot channel for synchronous Rust.54MIT
sync-ptrSync & Send wrappers for raw pointer's and function pointers in rust214,647MIT OR Apache-2.0
sync-resolveSynchronous DNS resolver11,970MIT/Apache-2.0
sync-rsA CLI tool to sync files between directories13,783MIT
sync-run-asyncThis crate provides a way to synchronously run async code.12,143MIT OR Apache-2.0
sync-stackA synchronisation primitive which allows threads to park and unpark1,816non-standard
sync-threadpoolA synchronized threadpool allowing submission of new jobs only when a worker is idle.3,240AGPL-3.0
sync-tokenssync-tokens provides ways to coordinate with running tasks. It provides a way to cleanly cancel a running task, and a way for a…1,645MIT OR Apache-2.0
sync-typing-depsSync typing hook additional_dependencies from project dev deps164MIT
sync-unsafe-cellA backport of the SyncUnsafeCell standard library type for use in older Rust versions113,890MIT OR Apache-2.0
sync-utilsA bunch of utilities in async-await and blocking context.3,795MIT
sync-wait-groupWait group for synchronizing the beginning or end of some computation.4,081MIT OR Apache-2.0
sync-wait-objectSynchronous Wait Object (abstraction over Mutex & CondVar)4,428MIT
sync42sync42 provides synchronization tools.19,876Apache-2.0
sync_2A little crate providing a Rust implemented Mutex and RwLock.7,407Unlicense
sync_asyncA helper for implementing both sync and async APIs.12,460MIT OR Apache-2.0
sync_barrierBlock thread until counter reached zero.142Unlicense
sync_cowThread-safe clone-on-write container for fast concurrent writing and reading.9,215MIT
sync_dis_boia music streaming platform synchronization tool837non-standard
sync_docsThis proc macro allows injecting documentation from prost generated Rust file into custom defined sdk types (s2-sdk-rust in this…10,022Apache-2.0
sync_executorAn async executor which you can use to execute a future that you know will never return `Pending` when you poll it.616MIT
sync_fileFiles that can be read concurrently153,196MIT OR Apache-2.0
sync_mvBinary that generates a script containing `mkdir` and `mv` commands that moves the files in the `dst` folder to match the file…5,150MIT
sync_panicSync primitive types whose methods panic rather than returning error in case of poison.2,934BSD-3-Clause
sync_rw_cellThread-safe version of RefCell.1,988MIT OR Apache-2.0
sync_selectA short-circuiting `std::thread::scope`.2,967MIT
sync_splitterSafely split a mutable slice in multiple threads at the same time.6,279MIT/Apache-2.0
sync_step_machineA Simple Step Machine to improve code maintenance.3,800MIT
sync_streamAggregate multiple streams by polling stream items in order, keeping the consumption of multiple streams in sync.1,566MIT OR Apache-2.0
sync_stream_struct_procProcedural macros for creating sync stream structures2,058MIT OR Apache-2.0
sync_toolsa collection of libraries to promote object reuse1,601MIT
sync_wrapperA tool for enlisting the compiler's help in proving the absence of concurrency541,332,301Apache-2.0
syncaWrite asynchronous code, and synca will create a synchronous version.11,690MIT OR Apache-2.0
syncable-ag-ui-clientClient-side AG-UI event consumer for Rust applications - Syncable SDK42MIT
syncable-ag-ui-coreCore type library for the AG-UI protocol - Syncable SDK8,482MIT
syncable-ag-ui-serverServer-side AG-UI event producer for streaming to frontends - Syncable SDK8,338MIT
syncable-cliA Rust-based CLI that analyzes code repositories and generates Infrastructure as Code configurations23,890GPL-3.0
syncatSyntax aware cat16,593MIT
syncat-stylesheetParser for Syncat Stylesheets.26,771MIT
syncazoomA command line app for syncing Zoom metrics to a local database1,665MIT OR Apache-2.0
syncbatSync-first runtime layer for batpak-family operation kits.182MIT OR Apache-2.0
syncbat-macrosProcedural macros for syncbat operation kits.66MIT OR Apache-2.0
syncbopsA tool to easily maintain a smaller-size copy of your music library, and keep it in sync with your main library. Useful for…660GPL-3.0-or-later
syncboxConcurrency utilities for Rust154,161MIT
syncbufAppend-only data structures with lock-free thread-safety and constant-time indexing2,863MIT
syncdocProcedural macro attributes to inject documentation from external files794MIT OR Apache-2.0
syncdoc-coreCore functionality for syncdoc - procedural macro implementation for documentation injection903MIT OR Apache-2.0
syncdoc-migrateMigration functionality for syncdoc - transferring code from docstrings to syncdoc588MIT OR Apache-2.0
syncedCommand-line tool1,920MIT
syncellSync alternative to RefCell9,236MIT
syncerA filesystem that pretends you have all your files locally while caching only the most recently used15,230GPL-3.0