Runtime Libraries Tools

Best Runtime Libraries tools by public signals

These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.

Best overallEffect98 score License-safe pickEffectOSI-approved OSS Fastest shippingEffect98 shipping

Use Case Rankings

Ordered by ToolVitals score, then health, shipping, confidence, GitHub stars, and name.

#	Tool	Health	Shipping	Openness	Stars	Score	Status
01	Effect Build production-ready applications in TypeScript	98	98	OSI-approved OSS	17.4k	98	Active
02	TanStack Query 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.	97	97	OSI-approved OSS	50.5k	97	Active
03	Docx Editor Open-source WYSIWYG .docx editor for React with canonical OOXML, tracked changes, and real-time collaboration.	97	97	OSI-approved OSS	531	97	Active
04	Supervision We write your reusable computer vision tools. 💜	97	96	OSI-approved OSS	51.4k	96	Active
05	Tiptap The headless rich text editor framework for web artisans.	97	95	OSI-approved OSS	38.9k	96	Active
06	Prisma Next-generation ORM for Node.js & TypeScript \| PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB	96	96	OSI-approved OSS	47.7k	96	Active
07	SnapDOM SnapDOM: Next-generation DOM capture to whatever engine — fast, modular, extensible.	96	96	OSI-approved OSS	8.2k	96	Active
08	React Hook Form 📋 React Hooks for form state management and validation (Web + React Native)	96	95	OSI-approved OSS	44.9k	96	Active
09	Lyne Components Components for the Lyne design system.	96	95	OSI-approved OSS	68	96	Active
10	Material UI Open-source React component framework implementing Google's Material Design.	96	94	OSI-approved OSS	99.3k	95	Active
11	Ark UI Open-source accessible UI components for React, Vue, Solid, and Svelte.	96	94	OSI-approved OSS	5.4k	95	Active
12	Base UI Open-source unstyled UI components for accessible web applications.	96	93	OSI-approved OSS	11.3k	95	Active
13	Tamagui Open-source React and React Native UI framework with compiler optimizations.	95	97	OSI-approved OSS	14.3k	95	Active
14	Aksel Open design system and component library.	95	95	OSI-approved OSS	186	95	Active
15	React Library for building web and native user interfaces.	95	92	OSI-approved OSS	251.8k	94	Active
16	Reka UI Open-source Vue component library for accessible design systems and web apps.	95	92	OSI-approved OSS	6.9k	94	Active
17	pdfme Open-source PDF generation library built with TypeScript and React. Features a WYSIWYG template designer, PDF viewer, and powerful generation capabilities. Create custom PDFs effortlessly in both browser and Node.js environments.	94	94	OSI-approved OSS	4.9k	94	Active
18	Loro Make your JSON data collaborative and version-controlled with CRDTs	94	93	OSI-approved OSS	6.3k	93	Active
19	Deno A modern runtime for JavaScript and TypeScript.	94	91	OSI-approved OSS	108.8k	93	Active
20	Zod TypeScript-first schema validation with static type inference	94	91	OSI-approved OSS	44.2k	93	Active
21	React Email 💌 Build and send emails using React	94	91	OSI-approved OSS	19.9k	93	Active
22	Compose Multiplatform Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.	94	91	OSI-approved OSS	19.5k	93	Active
23	ZenStack Modern data layer for TypeScript apps - type-safe ORM, built-in access control, automatic query services	93	90	OSI-approved OSS	3k	92	Active
24	Slate A completely customizable framework for building rich text editors. (Currently in beta.)	93	89	OSI-approved OSS	31.7k	91	Active
25	DaisyUI Open-source Tailwind CSS component library for building web interfaces.	91	92	OSI-approved OSS	42.7k	91	Active
26	iLamy Calendar Open source full calendar alternative for React with scheduling and recurring events.	91	91	OSI-approved OSS	353	91	Active
27	excelize Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets	91	85	OSI-approved OSS	21k	89	Active
28	React Jsonschema Form A React component for building Web forms from JSON Schema.	91	85	OSI-approved OSS	15.9k	88	Active
29	Material Web Material Design Web Components	90	85	OSI-approved OSS	11.4k	88	Active
30	NG-ZORRO Open-source Angular UI component library based on Ant Design.	90	84	OSI-approved OSS	9.2k	88	Active
31	sveltekit-superforms Making SvelteKit forms a pleasure to use!	89	86	OSI-approved OSS	2.8k	88	Active
32	remote-store Write file storage code once. Run it against local files, S3, SFTP, or Azure.	87	89	OSI-approved OSS	6	88	Active
33	TypeORM TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.	90	83	OSI-approved OSS	36.7k	87	Active
34	xyflow React Flow \| Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable.	89	82	OSI-approved OSS	38.8k	87	Active
35	Chakra UI Open-source React component system for building accessible SaaS interfaces.	88	80	OSI-approved OSS	40.7k	85	Active
36	Semi Design Open-source React design system and UI component library.	88	80	OSI-approved OSS	10.4k	85	Active
37	Yjs Shared data types for building collaborative software	87	82	OSI-approved OSS	23k	85	Active
38	Iconify Universal icon framework. One syntax for FontAwesome, Material Design Icons, DashIcons, Feather Icons, EmojiOne, Noto Emoji and many other open source icon sets (over 150 icon sets and 200k icons). SVG framework, React, Vue and Svelte components!	87	80	OSI-approved OSS	6.4k	84	Active
39	XState State machines, statecharts, and actors for complex logic	87	79	OSI-approved OSS	30.4k	84	Active
40	HyperFormula Headless spreadsheet calculation engine for business web apps.	87	79	OSI-approved OSS	2.8k	84	Active
41	Cogent Core A free and open source framework for building powerful, fast, elegant 2D and 3D apps that run on macOS, Windows, Linux, iOS, Android, and web with a single Go codebase, allowing you to Code Once, Run Everywhere.	86	81	OSI-approved OSS	2.4k	84	Active
42	JSON Forms JSON Schema-based form framework for React, Angular, and Vue.	81	70	OSI-approved OSS	2.8k	77	Active
43	ngx-formly 📝 JSON powered / Dynamic forms for Angular	80	72	OSI-approved OSS	3k	77	Active
44	tenancy Automatic multi-tenancy for Laravel. No code changes needed.	80	71	OSI-approved OSS	4.4k	76	Active
45	MJML MJML: the only framework that makes responsive-email easy	80	69	OSI-approved OSS	18.3k	76	Active
46	q5.js Beginner friendly graphics powered by WebGPU, optimized for interactive art!	79	71	OSI-approved OSS	425	76	Active
47	AppBase Search UI components for React and Vue	79	69	OSI-approved OSS	4.9k	75	Active
48	Regle ✅ Headless form validation library for Vue.js	77	71	OSI-approved OSS	513	74	Active
49	Docmentis Udoc Viewer Universal document viewer for the web — open-source, framework-agnostic viewer powered by a built-from-scratch WebAssembly engine for high-fidelity rendering across PDF, DOCX, PPTX, and images.	75	72	OSI-approved OSS	99	74	Warning
50	Vest Declarative validation framework.	75	71	OSI-approved OSS	2.7k	74	Warning
51	Ebean ORM Ebean ORM is an source-visible Java tool tracked for runtime libraries signals, maintenance activity, and public release evidence.	75	65	OSI-approved OSS	1.5k	71	Warning
52	Naive UI Open-source Vue 3 component library with TypeScript and theme customization.	76	60	OSI-approved OSS	18.6k	70	Active
53	Arco Design Open-source React UI component library and design system.	70	58	OSI-approved OSS	5.8k	65	Warning
54	Vidstack UI components and hooks for building video/audio players on the web. Robust, customizable, and accessible. Modern alternative to JW Player and Video.js.	67	52	OSI-approved OSS	3.7k	61	Warning
55	HyperUI Open-source Tailwind CSS component collection for web application interfaces.	65	48	OSI-approved OSS	12.3k	58	Warning
56	Drizzle ORM Drizzle ORM is an source-visible TypeScript tool tracked for runtime libraries signals, maintenance activity, and public release evidence.	66	43	OSI-approved OSS	36.2k	57	Warning
57	Watermill Building event-driven applications the easy way in Go.	65	42	OSI-approved OSS	9.9k	56	Warning
58	Effector Business logic with ease ☄️	65	39	OSI-approved OSS	4.9k	55	Warning
59	Runmat Open-source runtime for math with CPU and GPU execution, CLI install, and browser access.	63	42	OSI-approved OSS	271	54	Warning
60	Skeleton Skeleton is an adaptive design system powered by Tailwind CSS.	63	36	OSI-approved OSS	6.1k	52	Warning
61	Raaghu React Raaghu Design System – React is an open-source design system for modern Web and Power Apps applications. Built for the web and extendable to Microsoft’s Power Apps Component Framework (PCF), it offers reusable components	62	38	OSI-approved OSS	189	52	Warning
62	Flutter Chat UI Free and open-source chat SDK. Build fast, real-time apps and generative AI agents with a high-performance, customizable, cross-platform UI.	58	31	OSI-approved OSS	2.4k	48	Warning
63	PrimeReact Open-source React UI component library for application interfaces.	47	26	OSI-approved OSS	8.3k	39	Critical
64	Ergo Actor-based framework for event-driven architecture in Go.	49	22	OSI-approved OSS	4.7k	38	Critical
65	mraa Linux Library for low speed IO Communication in C with bindings for C++, Python, Node.js & Java. Supports generic io platforms, as well as Intel Edison, Intel Joule, Raspberry Pi and many more.	46	17	OSI-approved OSS	1.4k	35	Critical
66	Textual The lean application framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and a web browser.	44	22	OSI-approved OSS	37.6k	35	Critical
67	BlockSuite 🧩 Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.	35	0	OSI-approved OSS	6.1k	21	Critical
68	Flowbite Open-source UI component framework built on Tailwind CSS.	16	3	OSI-approved OSS	9.4k	10	Critical
69	flowbite-svelte Official Svelte components built for Flowbite and Tailwind CSS	15	2	OSI-approved OSS	2.8k	10	Critical
70	Theme UI Open-source library for building themeable React applications.	14	2	OSI-approved OSS	5.4k	9	Critical
71	Sentinel A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)	13	3	OSI-approved OSS	23.1k	9	Critical
72	Final Form Framework-agnostic form state management framework.	13	3	OSI-approved OSS	3.1k	9	Critical
73	Multi-Tenant Run multiple websites using the same Laravel installation while keeping tenant specific data separated for fully independent multi-domain setups, previously github.com/hyn/multi-tenant	11	0	OSI-approved OSS	2.6k	7	Critical