TypeScript tooling

12-month change compares the average of the last 4 weeks of downloads with the first 4 weeks of the 52-week series. Gzip size is for the whole package, as measured by Bundlephobia. "-" means the value has not been fetched.

• @tanstack/start-server-functions-ssrModern and scalable routing for applications
• @cj-tech-master/exceltsZero-dependency TypeScript toolkit — Excel (XLSX), PDF, CSV, Markdown, XML, ZIP/TAR, and streaming.
• ng-jhipsterA Jhipster util library for Angular
• @edge-runtime/typesTypeScript global types for using Edge Runtime.
• yacetiny text editor with plugins
• @jeremybarbet/google-api-typesTypescript definitions for Google API services.
• jqwidgets-scriptsjQWidgets UI components for JavaScript, jQuery, React, Vue and TypeScript - 82 widgets including a data grid, scheduler, Gantt chart, pivot grid, tree grid and charts, with 40 themes.
• svelte-routingA declarative Svelte routing library with SSR support
• connect-typeormA TypeORM-based session store
• @better-scroll/wheela BetterScroll plugin to imitate IOS Picker
• @wormhole-foundation/sdk-solana-tbtcSDK for Solana chains, used in conjunction with @wormhole-foundation/sdk
• gas-types-detailedEnhanced Google Apps Script Type Definitions with detailed documentation. Includes type definitions plus code snippets, return values, required authorization scopes, and other details not found in @types/google-apps-script.
• ts-gemsValuable typing extensions for TypeScript
• upcastUpcast is a low-level JavaScript type checking and casting library
• vue-yandex-mapsYandex Maps 3.0 components library for VueJS.
• @tanstack/ai-skillsPortable Agent Skills (SKILL.md) as a first-class chat() middleware for TanStack AI.
• @aashari/mcp-server-atlassian-jiraNode.js/TypeScript MCP server for Atlassian Jira. Equips AI systems (LLMs) with tools to list/get projects, search/get issues (using JQL/ID), and view dev info (commits, PRs). Connects AI capabilities directly into Jira project management and issue tracki
• @golevelup/nestjs-stripeBadass utilities for integrating stripe and NestJS
• phone-number-generator-jsGenerates a random phone number following the E.164 international standard
• @oxy.so/bloomBloom UI — Oxy ecosystem component library for React Native + Expo + Web
• blake3BLAKE3 hashing for JavaScript
• @zoom-image/coreA core implementation of zoom image
• @epic-web/configReasonable Oxlint, Oxfmt, and TypeScript configs for epic web devs
• pdf-tsPDF text extraction in TypeScript
• givensEasy test setup without side effects
• @wormhole-foundation/sdk-evm-tbtcSDK for EVM chains, used in conjunction with @wormhole-foundation/sdk
• react-native-country-select🌍 React Native country picker with flags, search, TypeScript, i18n, and offline support. Lightweight, customizable, and designed with a modern UI.
• @taquito/beacon-walletTZIP-10 Beacon wallet integration for Taquito dapps built on the Beacon SDK DAppClient.
• get-video-durationGet the duration of a video file
• @data-client/restQuickly define typed REST resources and endpoints
• typed-envTyped environment variable parser
• @plist/xml.parseTypeScript library for parsing XML Property Lists, in browser and node.js.
• @tanstack/react-start-router-manifestModern and scalable routing for React applications
• @tanstack/ai-grokxAI Grok adapter for TanStack AI chat, image generation, realtime, and structured outputs.
• @wormhole-foundation/sdk-stacks-coreSDK for Stacks chains, used in conjunction with @wormhole-foundation/sdk
• @typechain/web3-v1🔌 TypeChain target for Web3-v1
• @ebec/coreExtensible error class with automatic code derivation, message interpolation, error grouping, and JSON serialization.
• @medusajs/loyalty-pluginMedusa Plugin: Loyalty - Gift Cards
• power-tasksPowerful task management for JavaScript
• @coderspirit/nominal-symbolsSymbol objects for @coderspirit/nominal
• express-recaptchaGoogle recaptcha middleware for express
• @pothos/plugin-sub-graphA Pothos plugin for creating multiple variants or sub-selections of the same graph
• @kubb/studioKubb Studio client runtime. Connects a Kubb project to Kubb Studio over WebSocket and streams code generation events, shared by the `kubb studio` CLI command and the Docker agent.
• react-text-mask-modernA modern, React 19+ compatible input masking component using hooks and TypeScript.
• @type-cacheable/ioredis-adapterAdapter for using ioredis with type-cacheable
• ftlda small, focused, library that provides a set of functional primitives for building robust and resilient applications in TypeScript
• @fumadocs/languageCommon language packs for Fumadocs
• nepali-date-converterA small Javascript/Typescript Library to convert English Date to Nepali and Vice Versa.
• @amityco/ts-sdkAmity Social Cloud Typescript SDK
• trpc-sveltekitSvelteKit adapter for tRPC.io, working with Node.js, Vercel and Netlify

• valibot vs zod
• ts-toolbelt vs type-fest
• ts-essentials vs type-fest
• type-fest vs utility-types
• tsx vs effect
• type-fest vs just-diff
• pdf-lib vs @pdfme/pdf-lib
• @hey-api/openapi-ts vs openapi-typescript-codegen
• @asteasolutions/zod-to-openapi vs zod-openapi
• @hey-api/openapi-ts vs zod-openapi
• @uiw/react-md-editor vs markdown-exit
• @hey-api/openapi-ts vs @asteasolutions/zod-to-openapi
• rollbar vs evlog
• kysely vs @prisma/client
• type-graphql vs quicktype-core
• type-graphql vs nexus
• openapi-typescript-codegen vs openapi-client-axios
• zod-openapi vs openapi-client-axios
• openapi-fetch vs openapi-typescript-codegen
• @apollo/cache-control-types vs type-graphql
• @asteasolutions/zod-to-openapi vs oazapfts
• drizzle-orm vs sequelize-typescript
• @e2b/code-interpreter vs react-multi-carousel
• io-ts vs runtypes
• openapi-fetch vs openapi-client-axios
• @asteasolutions/zod-to-openapi vs @kubb/oas
• @envelop/core vs payload
• openapi-fetch vs zod-openapi
• zod-openapi vs openapi-typescript-codegen
• openapi-client-axios vs @kubb/oas