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.

• page-agentGUI agent for web applications - add intelligent automation to any webpage with a single script
• svelte-tree-viewDisplay JSON objects in a customizable tree-view
• @stdlib/ndarray-dtypesList of ndarray data types.
• @tanstack/ai-bedrockAmazon Bedrock adapter for TanStack AI — OpenAI-compatible chat, responses, tools, and reasoning.
• jsdoc-tsimport-pluginA JSDoc plugin to support the typescript module import syntax.
• ts-log-debugA multi channel logger written in TypeScript.
• nestjs-doctorThe deterministic NestJS devtool that catches AI mistakes. Static analysis for NestJS with a health score, diagnostics and an interactive report.
• @circle-fin/swap-kitA Circle SDK for single-chain token swaps with minimal code
• @circle-fin/unified-balance-kitSDK for cross-chain USDC deposits, spending, and balance queries
• prosemirror-dev-toolkitInjectable dev tools for ProseMirror editors
• drizzle-graphqlAutomatically generate GraphQL schema or customizable schema config fields from Drizzle ORM schema
• pintorZero-dependency library for providing color functions for terminal text
• typescript-declaration-webpack-pluginBundels typescript declaration generated by typescript loaded into one ts file.
• @dynatrace/dtrum-api-typesTypescript types for the Dynatrace RUM JavaScript dtrum.* API
• react-google-calendar-apiAn api to manage your google calendar
• @liaoliaots/nestjs-redis-healthRedis(ioredis) health checks module for Nest framework (node.js).
• @teispace/next-themesFeature-rich, lightweight theme management for Next.js and React. Zero-flash SSR, hybrid storage, view transitions, typed themes.
• alovaThe request strategy layer for JavaScript. 20+ ready-made strategies cut your request code by up to 70% — pagination, forms, uploads, retry, rate-limit and more. One API spans React, Vue, Svelte, Solid, mini-programs and the server.
• types-tsconfigType checking for tsconfig.json
• @intlayer/engineScans and builds Intlayer declaration files into dictionaries based on Intlayer configuration.
• @ankhorage/supabase-authSupabase auth adapter implementing shared TypeScript auth contracts.
• @lyracom/embedded-form-glueLyra embedded form glue
• tsup-preset-solidPreset for building your SolidJS package with tsup.
• ts-postgresPostgreSQL client in TypeScript
• node-ts-cacheSimple and extensible caching module supporting decorators
• html-webpack-skip-assets-plugina plugin for html-webpack-plugin to skip adding certain output files to the html
• rater-jsStar rating widget for the browser.
• jsdoc-plugin-typescriptPlugin to make TypeScript's JSDoc type annotations work with JSDoc
• nest-routerRouter Module For Nestjs Framework
• @odata2ts/odata-serviceMain runtime dependency of odata2ts for generated odata client services
• @stdlib/array-dtypesList of array data types.
• safety-match`safety-match` provides pattern matching for JavaScript, TypeScript, and Flow.
• node-ts-cache-storage-memoryMemory storage module for node-ts-cache
• @microsoft/jsts-upgrade-assistantAI-powered tool for automatically upgrading npm packages in TypeScript projects and resolving compiler errors
• aislopCatch the slop AI coding agents leave in your code: narrative comments, swallowed exceptions, as-any casts, dead code, oversized functions. 50+ rules across 10 language targets (TypeScript, JavaScript, Expo / React Native, Python, Go, Rust, Ruby, PHP, C#,
• react-responsive-overflow-listA responsive React component that shows as many items as can fit within constraints, hiding overflow items behind a configurable overflow renderer
• @figma-export/utilsUtils for @figma-export
• @promptbook/typesPromptbook: Create persistent AI agents that turn your company's scattered knowledge into action
• ts-graphql-pluginTypeScript Language Service Plugin for GraphQL
• react-string-formatFormats string using string, number, and react components as paramaters
• tinybaseA reactive in-memory data store with persistence and synchronization for local-first JavaScript and TypeScript apps.
• @golevelup/ts-sinonUtilities for making testing [NestJS](https://docs.nestjs.com) applications easier.
• async-fileAdapts the Node.js File System API (fs) for use with TypeScript async/await
• @accordproject/concerto-utilUtilities for Concerto Modeling Language
• @ankhorage/doctorExecutable Ankh provider and standalone CLI for lightweight repo and package compliance diagnostics.
• safe-routesTypesafe routing for React Router apps.
• @spec2ts/jsonschemaUtility to convert JSON Schemas to Typescript using TypeScript native compiler
• chat-bet-parseTypeScript package for parsing sports betting contract text into structured data types compatible with SQL Server stored procedures
• @xarf/xarfXARF v4 (eXtended Abuse Reporting Format) parser and generator for JavaScript/TypeScript - supports XARF spec v4.2.0 with backward compatibility for v3
• react-azure-mapsReact Wrapper for Azure Maps

• 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