Toolcat
ToolsAIAbout

Toolcat

A community-grown directory of tools, libraries, AI resources, and practical building blocks. Discover, compare, and choose what to use next when building a product.

Toolcat
ToolsAIAbout

Toolcat

A community-grown directory of tools, libraries, AI resources, and practical building blocks. Discover, compare, and choose what to use next when building a product.

Toolcat
ToolsAIAbout

system / tech directory

Tools

Browse libraries, frameworks, components, design systems, and developer tools for building production-ready products.

Domains: UI, Design, Illustrations, Typography, Animation, Media, Video editing, Developer Tools, Backend, Database, Auth, Email, Automation, Web scraper, Documents, Security, Hosting, Testing, Logging, Docs
UIDesignIllustrationsTypographyAnimationMediaVideo editingDeveloper ToolsBackendDatabaseAuthEmailAutomationWeb scraperDocumentsSecurityHostingTestingLoggingDocs
UIDesignIllustrationsTypographyAnimationMediaVideo editingDeveloper ToolsBackendDatabaseAuthEmailAutomationWeb scraperDocumentsSecurityHostingTestingLoggingDocs
46
Library

Toolcat

A community-grown directory of tools, libraries, AI resources, and practical building blocks. Discover, compare, and choose what to use next when building a product.

Animation
Anime.js
Animates CSS properties, SVG, DOM attributes, and JavaScript objects through a modular JavaScript API.
Open source71.0k
Animation
Design SystemUI
Ant Design
Provides enterprise React components and design patterns for complex applications.
Open source98.7k
UI
FrameworkUI
Astro
Builds fast content-focused websites with islands architecture and framework flexibility.
Open source61.0k
UI
Design SystemUI
Astryx Design System
Provides accessible, themeable React components, design tokens, templates, and tooling for product interfaces.
Open source10.3k
UI
LibraryAuth
Auth.js
Adds authentication flows for modern web apps and frameworks.
Open source28.3k
Auth
ServiceHosting
Coolify
Deploys websites, applications, databases, and Docker services to your own servers.
Open source58.5k
Hosting
LibraryWeb scraper
Crawl4AI
Crawls and scrapes websites into clean Markdown, HTML, screenshots, and structured data for AI workflows.
Open source72.6k
Web scraper
ServiceHosting
Dokploy
Deploys and manages applications, databases, Docker Compose stacks, and services on your own infrastructure.
Open source35.6k
Hosting
LibraryDatabase
Drizzle ORM
Provides lightweight TypeScript-first SQL ORM and schema tooling.
Open source35.1k
Database
ToolDeveloper Tools
fallow
Analyzes TypeScript codebases for cleanup, duplication, boundaries, and complexity risks.
Open source4.1k
Developer Tools
ToolMediaVideo editing
FFmpeg
Processes, converts, records, and streams audio and video from the command line.
Media, Video editing
ToolTypography
Fontjoy
Generates font pairings using a neural network trained on visual font vectors.
Open source1.4k
Typography
LibraryAnimation
GSAP
Creates high-performance JavaScript animations for CSS, SVG, canvas, React, Vue, WebGL, and other targets.
26.6k
Animation
ServiceWeb scraper
Maxun
Scrapes, crawls, searches, and extracts structured data from websites without code.
Open source16.5k
Web scraper
LibraryDocsUI
MDX
Combines Markdown with JSX components for interactive documentation and content sites.
Open source19.7k
Docs, UI
LibraryAnimationUI
Motion
Adds animation and gesture-driven motion to React, JavaScript, and CSS interfaces.
Open source32.9k
Animation, UI
ComponentsUI
MUI
Provides production-ready React components and design system foundations.
UI
ServiceAutomation
n8n
Automates business processes and AI workflows by connecting services, APIs, data, and custom code.
196k
Automation
FrameworkUI
Next.js
Builds full-stack React apps with routing, rendering, APIs, and deployment features.
Open source141k
UI
ToolDesign
pen.dev
Creates and edits vector designs in an IDE-integrated canvas with AI workflows, MCP tools, CLI automation, and code export.
Design
ToolTesting
Playwright
Runs end-to-end browser tests across Chromium, Firefox, and WebKit.
Open source92.7k
Testing
LibraryDatabase
Prisma
Provides type-safe ORM, managed Postgres, and compute infrastructure for TypeScript applications.
Database
ComponentsUI
Radix UI
Provides accessible React components, primitives, themes, icons, and colors for building interfaces.
UI
ComponentsUI
React Bits
Offers customizable React components for animated text, interactive UI elements, effects, and backgrounds.
43.4k
UI
ComponentsEmailUI
React Email
Provides unstyled React components for building responsive, production-ready HTML emails.
Open source19.4k
Email, UI
LibraryUI
React Hook Form
Manages performant React form state, validation, and submission flows.
Open source44.8k
UI
FrameworkVideo editing
Remotion
Creates videos programmatically with React components, timelines, and render pipelines.
53.1k
Video editing
ServiceEmail
Resend
Sends transactional and marketing emails through a developer-friendly email platform.
Email
ToolIllustrationsDesign
Sapiens Character Builder
Builds customizable character illustrations from interchangeable bodies, poses, styles, and backdrops.
Illustrations, Design
ServiceSecurityDeveloper Tools
Semgrep
Scans code for security issues, bugs, and custom static-analysis rules.
Open source15.9k
Security, Developer Tools
ServiceLogging
Sentry
Monitors production errors, performance issues, traces, and debugging context.
44.3k
Logging
ComponentsUI
shadcn/ui
Provides copy-paste React components styled with Tailwind and Radix primitives.
Open source119k
UI
ServiceSecurity
Snyk
Finds and prioritizes security issues across dependencies, containers, IaC, and code.
Security
ServiceSecurity
Socket
Detects supply-chain risks and suspicious behavior in open-source dependencies.
Security
ToolDocuments
Stirling PDF
Edits, converts, signs, redacts, OCRs, compresses, and automates PDF documents.
Open source87.1k
Documents
ToolDeveloper ToolsUI
Storybook
Develops, documents, and tests UI components in isolated workspaces.
Open source90.7k
Developer Tools, UI
ServiceBackendDatabaseAuth
Supabase
Provides Postgres databases, authentication, APIs, realtime sync, edge functions, storage, and vector embeddings.
Open source106k
Backend, Database, Auth
FrameworkUI
Tailwind CSS
Builds custom interfaces quickly with utility-first CSS classes.
Open source96.0k
UI
LibraryUI
TanStack Query
Manages async server state, caching, mutations, and background synchronization.
Open source50.0k
UI
LibraryBackend
tRPC
Creates end-to-end type-safe APIs between TypeScript clients and servers.
Open source40.4k
Backend
ToolUIDesign
tweakcn
Visually edits shadcn/ui and Tailwind CSS themes, previews component changes, and exports reusable theme code.
Open source10.2k
UI, Design
ToolDesign
UI Colors
Generates, previews, edits, and exports Tailwind CSS color palettes and shade scales.
Design
ToolDeveloper Tools
Vite
Provides a fast frontend dev server and build tool for modern web projects.
Open source82.1k
Developer Tools
ToolTesting
Vitest
Runs fast unit and integration tests for Vite, TypeScript, and JavaScript projects.
Open source16.8k
Testing
LibraryUI
Zod
Validates runtime data with TypeScript-first schemas and inferred types.
Open source43.3k
UI
LibraryUI
Zustand
Provides small flexible state management for React applications.
Open source58.6k
UI