Company

Embeddable code editor written in JavaScript for web pages and JavaScript applications.

Library of animated React and Tailwind CSS components, blocks and templates that users copy into their own projects.

ACME protocol client written in POSIX shell that issues, installs and renews TLS certificates from ACME certificate authorities.

Drupal distribution of modules and configuration for building low-code websites on the Acquia platform.

Workflow automation platform with a self-hostable server and an embeddable builder that a SaaS product can place inside its own app.

JavaScript data grid library, in a Community edition under the MIT license and an Enterprise edition under a commercial license, for displaying and editing tabular data.

Open-source proof-of-work CAPTCHA widget and server verification libraries, with a paid self-hosted server (Sentinel) and a hosted service (Cloud).

TypeScript-based web application framework with client-side, server-side and prerendered rendering.

Material Design UI components for Angular applications, built by the Angular team.

JavaScript charting library that draws interactive charts with SVG for websites and web apps.

GraphQL client library for JavaScript that fetches, caches and modifies remote and local application data.

Open-source GraphQL server for Node.js that runs as an add-on to new or existing Node.js apps, including Express, Fastify and AWS Lambda.

Open source low-code platform for building internal tools, admin panels and dashboards.

Open-source backend platform with authentication, databases, storage, functions and messaging, available as Appwrite Cloud or self-hosted with Docker.

Multi-model database for documents, graphs and key-value data, queried with the AQL query language.

React UI components library based on the Arco Design system.

Vue UI component library, based on the Arco Design system, distributed as an npm package.

Open-source React library of unstyled, accessible UI primitives and components for building web apps and design systems.

Open-source TypeScript and React library of components for building AI chat interfaces.

Web framework for content-driven websites that prerenders pages to static HTML and can render routes on demand.

Open source React design system built on StyleX, with themes and a command-line tool.

Authentication library for JavaScript web frameworks, with OAuth and OpenID Connect providers, email sign-in and credentials.

Self-hosted, open source identity provider with OIDC, SAML, LDAP and proxy authentication.

Zero-config, drop-in animation utility that adds transitions to a web app when elements are added, removed or moved.

JavaScript accessibility testing engine that checks websites and other HTML-based user interfaces inside automated tests.

Unstyled React component library for building accessible user interfaces.

Web UI framework for building interactive web apps with C# and Razor components, shipped as part of ASP.NET Core.

Block-based rich text editor for React applications.

Python library for interactive plots and data applications that render in web browsers.

Error monitoring and performance monitoring service for mobile, web, desktop and server applications, offered as a hosted platform and as an on-premises installation.

Open-source consent manager that renders cookie banners, a preferences dialog and consent-gated scripts for JavaScript frameworks.

Self-hosted platform as a service that deploys apps and one-click services to Docker containers behind nginx with automatic HTTPS.

Svelte component library implementing IBM's open source Carbon Design System.

Document generator that fills Word, Excel, OpenDocument and PowerPoint templates with JSON data and exports PDF and other formats.

Column-oriented SQL database management system for analytical queries, available as open-source server software and as a cloud service.

Open source design system of guidelines, React components and design resources for building web applications.

Distributed SQL database that runs as a cluster of nodes and keeps its data replicated across them.

Open source Node.js server that handles OAuth and streams files from remote sources such as Google Drive and Dropbox into uploads made with Uppy.

Open-source content management system for teams, written in PHP, with a built-in REST API and a MySQL or MariaDB database.

Open-source platform for building data-driven web applications, with a GraphQL API, PostgreSQL and a React administration interface.

Linux control panel for managing web hosting, websites and servers on dedicated servers and VPS, with a free core and a paid CWPpro edition.

Open-source reactive database and backend for web apps, with server functions written in TypeScript and a cloud platform run by the maker.

Open-source, self-hostable platform that deploys applications, databases and services to Docker containers on the user's own servers.

Proprietary enterprise content management system and digital experience platform, offered as a hybrid headless CMS.

Self-hosted analytics and engagement server that collects data from web, mobile and desktop applications and shows it in dashboards.

Proprietary web hosting control panel and server management software, sold as cPanel & WHM licenses for servers that host websites.

Commercial eCommerce software for building online stores and multi-vendor marketplaces, run on the customer's own server.

End-to-end and component testing framework that runs tests in a real browser.

JavaScript library for bespoke data visualization that runs in the browser.

Desktop database management tool and SQL client for many SQL and NoSQL databases, with a free community edition.

Wrapper library for IndexedDB, the standard database in the browser, for offline-first web applications.

Toolkit for building Web APIs on Django, with serialization, views, authentication and permissions.

Desktop application that installs the Docker Engine, Docker CLI and Docker Compose on macOS, Windows and Linux for building and running containers.

Free search program from Algolia that crawls documentation into an Algolia index and provides a search box for it through open source frontend packages.

React-based static site generator for documentation websites and blogs written in Markdown and MDX.

Java content management system with an admin console, REST and GraphQL APIs and multi-site management, distributed as a Docker image and as a managed cloud service.

Open-source PHP content management system for websites, blogs and intranets, with a plugin and theme system.

Go web framework built on the standard net/http package, with a radix-tree router, request binding, middleware and centralized error handling.

Static site generator that transforms a directory of templates in various languages into HTML.

Full-stack TypeScript CMS built on Astro, with an admin panel, a REST API and a plugin system, that runs on Cloudflare or a Node.js server.

Backend framework for TypeScript and Go in which application code declares the infrastructure it uses, such as databases, Pub/Sub and cron jobs.

Hosting control panel for running websites, email, databases and backups across one or more Linux servers in a single cluster.

Error and log reporting service with a self-hostable server, a web dashboard and client libraries for .NET and JavaScript.

File-based router for universal React Native apps that run on Android, iOS and the web, part of the open-source Expo platform.

Server control panel for creating and managing websites, email accounts, databases, SSL certificates and backups on a Linux server.

Java enterprise search server with a built-in crawler, an admin console and a search UI, built on OpenSearch.

Open-source feature flag and remote config platform, available self-hosted or as a cloud service, with SDKs for web, mobile and server-side apps.

Full-text search library for browsers and Node.js that keeps its index in memory or in a database.

Icon set of familiar icons from Microsoft, shipped as SVG files and as native Android, iOS and Flutter libraries.

Icon library and toolkit distributed as web fonts, SVG and CSS, with free icon styles and paid Pro styles.

A set of JavaScript libraries for internationalization built on ICU MessageFormat and the ECMA-402 Intl APIs.

Open-source experience management and survey platform, self-hosted or offered as a hosted cloud service.

An open source form library for React and React Native that holds form values, validation and submission state.

Python and JavaScript low-code web framework for building data-driven web applications, with a built-in admin interface, roles and permissions.

JavaScript library that draws configurable, interactive Gantt charts for the web.

Commercial JavaScript WYSIWYG HTML editor with a set of plugins, framework integrations and server SDKs.

JavaScript and TypeScript library for creating interactive diagrams, charts and graphs in the browser or on Node.js.

Open source application for querying, visualizing, alerting on and exploring metrics, logs and traces.

Horizontally scalable log aggregation system that indexes log labels rather than the text of log lines.

A collection of npm packages for building, mocking and stitching GraphQL schemas and resolvers in JavaScript.

Flat-file PHP content management system that stores pages as Markdown and YAML files without a database.

CSS-in-JS library that defines styles as JavaScript objects and can compile them ahead of time.

Open-core feature flagging, experimentation and product analytics platform, available self-hosted or as a cloud service, with SDKs for application code.

JavaScript animation library, with plugins for scroll, SVG, text and UI animation, that runs in the browser.

JavaScript data grid that looks and feels like a spreadsheet, with versions for React, Angular and Vue.

Server for storing, accessing and encrypting secrets, with an HTTP API, a CLI and a web interface, that applications can call for credentials and keys.

Open-source GraphQL server that generates a GraphQL API over existing databases and other data sources, with a hosted Hasura Cloud edition.

Unstyled, accessible UI components for React and Vue, designed to work with Tailwind CSS.

Set of free, MIT-licensed SVG icons for user interface development, with React and Vue packages.

Open-source component library for React web and React Native applications, built on React Aria Components and Tailwind CSS.

WebSocket backend for Yjs documents that syncs changes between clients in real time, from the team behind Tiptap.

Open-source payments orchestration platform that routes transactions across payment processors, with a vault, a control center and reconciliation, self-hosted or hosted by Juspay.

Unified icon framework that loads open source icons from any icon library on demand.

Open-source platform for managing application secrets, certificates and cryptographic keys, with a CLI, SDKs and a self-hostable server alongside Infisical Cloud.

Workflow orchestration platform for durable functions with step retries, scheduling and flow control, run by applications through language SDKs and self-hostable as a single server.

Open source JavaScript UI library of widgets that builds a search interface on Algolia's search API, with React and Vue wrappers.

Open source hosting control panel for managing websites, MySQL databases and cron jobs on Linux servers from a web browser.

Design system from Bentley Systems with a React component library, CSS and design-token packages.

Online shop software from JTL-Software-GmbH, written in PHP.

E-commerce plugin for the Grav CMS that adds a catalog, checkout, payments, shipping and customer accounts.

Commercial JavaScript UI component library for jQuery, with an open-source Kendo UI Core subset.

Multithreaded, Redis-compatible key-value database and cache server, a fork of Redis.

Free server control panel for Ubuntu and Debian that manages domains, email mailboxes, FTP users and MySQL databases.

Content management tool that edits Markdown, YAML and JSON files in a codebase, through the local file system or GitHub.

Open source API gateway, built on NGINX, that routes, secures and transforms traffic to APIs through plugins, with a Kong Konnect SaaS option.

Cloudflare's component library of accessible React UI components for building web applications, built on Base UI.

Open-source backend server with a pre-built API, realtime notifications and data storage for web, mobile and IoT applications.

Open-source platform for tracing, evaluating and monitoring LLM applications, sent from application code through SDKs and OpenTelemetry.

PHP web application framework with routing, an ORM, templating, queues and scheduled jobs.

Desktop app for macOS and Windows that runs local PHP and Laravel sites on their own domains, with PHP versions and local services managed from one window.

Commercial administration panel package for Laravel applications.

Open-source automated tool that audits web pages and web apps for performance, accessibility, SEO and best practices.

UI framework for building custom elements (web components) with HTML, JavaScript and CSS, maintained by Salesforce.

Open-source survey platform for creating surveys that respondents take through a link or an embed on a website.

Web server from LiteSpeed Technologies, sold under paid licenses, that reads Apache configuration files and includes a WebAdmin console.

Free desktop application for developing WordPress sites on the developer's own computer.

Config-first web framework that builds business apps and internal tools from YAML configuration, served by a Node.js server.

Magnolia is a Java digital experience platform for managing and delivering web content, with a Community Edition under GPLv3 and a licensed DX Core.

Local web server environment for macOS and Windows with Apache or Nginx, PHP and MySQL, and MAMP PRO, a commercial app for running several local sites.

HTML-based language and runtime for building web applications and user interfaces, with the Marko Run application framework.

Virtual CSS language with enhanced syntax that generates styles from class names written in HTML and JavaScript.

TypeScript framework for building AI agents and applications.

React component library that implements Google's Material Design.

Open-source headless commerce platform for Node.js with commerce modules, an admin dashboard and REST store and admin APIs.

JavaScript bundler for React Native projects, with a development server and a build API.

Self-hosted content management system for podcasts, blogs, photos, documents and links, running on Cloudflare Workers with D1 and R2 storage.

Proprietary relational database management system from Microsoft, with Express, Standard and Enterprise editions.

Document database server built on the document model, offered as a community edition and as commercial Enterprise editions.

Commercial publishing and blogging system from Six Apart that publishes static pages, dynamic pages or both from templates.

Workflow automation platform for building AI agents and workflows on a visual canvas, self-hosted or in the cloud.

Vue 3 component library written in TypeScript, with a theme system configured through JavaScript theme overrides.

Native graph database server that stores nodes and relationships and is queried with the Cypher language.

React framework for building full-stack web applications, with routing, rendering and data fetching.

C-based HTTP web server with reverse proxy, content cache, load balancer and mail proxy features.

Spreadsheet-style interface for building online databases on SQLite, PostgreSQL or an existing database, self-hosted with Docker or offered as NocoDB Cloud.

Open-source notification infrastructure with one API for sending messages across in-app inbox, email, SMS, push and chat channels, self-hostable or available as a cloud service.

Monorepo task runner and build system for TypeScript and polyglot codebases, with caching and affected-only runs.

Set of SVG icons built by GitHub, with helper packages for JavaScript, React and Ruby.

Suite of web-based open source business apps, including a website builder and an e-commerce app.

Open-source usage metering and billing platform that ingests usage events and bills customers for the usage.

Commercial .NET content management system from Optimizely, installed from NuGet packages on Microsoft SQL Server.

Java EE application framework from Oracle for building enterprise applications in JDeveloper and running them on an application server with the ADF runtime installed.

Commercial relational database from Oracle, with a free developer edition and fully supported paid editions.

Search library for full-text, vector and hybrid search that runs in the browser, on a server or at the edge.

OpenID Certified OAuth 2.0 and OpenID Connect server that issues tokens and connects to an existing login and consent app.

Styling engine that generates atomic CSS at build time from type-safe TypeScript style definitions.

TypeScript framework that runs inside a Next.js app and generates an admin panel, database schema and REST, GraphQL and local APIs from one config, used as a headless CMS or application backend.

PostgreSQL connection pooler, load balancer and database sharder written in Rust.

Embeddable WebAssembly build of PostgreSQL, packaged as a TypeScript and JavaScript library for the browser, Node.js, Bun and Deno.

Open-core PHP platform for product experience management, combining PIM, DAM, CMS and digital commerce modules.

Browser automation and end-to-end test framework that drives Chromium, Firefox and WebKit through one API.

Proprietary hosting control panel for managing websites, DNS, mail and other services on Linux and Windows servers.

Process manager for Node.js and Bun applications that keeps them running, with a built-in load balancer.

Open source website analytics tool that uses no cookies, offered as a managed service on poeticmetric.com or self-hosted with Docker Compose.

Design system of Web Components with npm wrapper packages for React, Angular, Vue and vanilla JavaScript, published by Porsche AG.

Product analytics platform with session replay, feature flags, experiments, error tracking and surveys, self-hosted from its code or run as PostHog Cloud.

Python workflow orchestration framework that runs flows on schedules, events or API calls, with a self-hostable server.

React UI component library made by PrimeTek, published on npm.

Vue UI component library made by PrimeTek, published on npm.

TypeScript and Node.js object-relational mapper that generates a type-safe database client from a schema file.

Commercial .NET content management and digital experience platform from Progress, offered on-premises or as a cloud service.

Open-source visual editor library for React that lets users build drag-and-drop pages from the components an app defines.

Symfony-based content management system for websites, with Markdown or database content and an optional static export.

Vector search engine and vector database, run as a server with a REST and gRPC API, also offered as Qdrant Cloud.

Vue.js framework with UI components and a CLI that builds single-page, server-rendered, static, PWA, mobile, desktop and browser extension apps.

JavaScript library for building component-based user interfaces for the web, with react-dom for browsers and server rendering.

Router for React whose framework mode adds server rendering, static pre-rendering and data loading for building full-stack web apps.

React component library implementing Adobe's Spectrum design system, with accessible and adaptive components.

In-memory data store used as a cache, database and streaming engine, offered under source-available and open-source licenses.

Python library for building full-stack web apps, with the frontend compiled to React and the backend run as a Python server.

Full-stack web framework built on Web APIs that combines routing, data, UI and asset compilation in one stack.

JavaScript and TypeScript bundler written in Rust with a Rollup-compatible API, designed as the bundler of Vite.

Build tool for modern web applications that runs on Rspack and supports React, Vue, Svelte and other frameworks.

Fast Rust-based bundler for the web with a modernized webpack API.

Static site generator built on Rsbuild that turns Markdown and MDX files into documentation websites.

React component library and design system from Sanity, with layout primitives and theme tokens for building accessible web apps.

Open-source API reference renderer that turns OpenAPI and AsyncAPI documents into interactive API documentation.

Design system from Daangn that delivers one set of design tokens to React, Lynx and CSS packages.

Application monitoring and error tracking platform, self-hosted or offered as Sentry SaaS.

Services framework for .NET that builds HTTP and message-based web services from typed request DTOs.

Open-source observability platform built on OpenTelemetry that covers logs, metrics, traces, alerts and dashboards.

Commercial content management and digital experience platform from Sitecore, sold as an on-premises product and a cloud product.

Svelte component package of the Skeleton design system, which is built on Tailwind CSS.

Open-source commerce platform built on Ruby on Rails, with a REST API, TypeScript SDKs and a Next.js storefront.

Java framework for building stand-alone Spring applications with an embedded web server and auto-configuration.

Comprehensive programming and configuration model for Java-based enterprise applications, on any deployment platform.

Public-domain C library that implements a self-contained SQL database engine in a single file.

WordPress plugin that crawls a WordPress site into a static copy and publishes that copy to static hosting.

Lightweight ASGI framework and toolkit for building async web services in Python.

Documentation theme and integration for the Astro framework that builds documentation websites from Markdown, Markdoc and MDX.

Laravel-based content management system that stores content in flat files or a database, with a control panel and optional static site generation.

Toolchain that compiles TypeScript components into web components, distributable as custom elements, framework wrappers or prerendered websites.

Open-core PDF editing and processing platform for self-hosted servers and a hosted service, with a REST API.

Python framework that turns scripts into interactive web apps for data work.

Babel plugin and runtime that transpile CSS written in style tags inside JSX components into class names scoped to that component.

JavaScript styling library whose build-time compiler turns style definitions into atomic CSS class names.

Open source user authentication server, Core, with frontend and backend SDKs, self-hosted or as a managed cloud service.

Multi-model database, built in Rust, that stores document, graph, relational and time-series data in one engine and can run embedded or as a server.

Open-source JavaScript form library that renders JSON-defined forms and surveys in React, Angular, Vue and plain JavaScript applications.

Open source webhook service that sends webhooks with retries, signatures and a customer-facing portal, self-hosted or as a hosted service.

PHP full-stack web framework built from a set of reusable, standalone components.

Utility-first CSS framework that generates styles from class names used in HTML and other templates.

First-class variant API for Tailwind CSS that defines typed component recipes with variants, slots and compound styles.

Open-source durable execution platform whose server runs workflows and retries failed steps, self-hosted or as Temporal Cloud.

Open-source e-commerce CMS and framework built on Symfony for online stores and web content.

Open-source distributed SQL database, MySQL compatible, that supports hybrid transactional and analytical workloads.

Headless rich-text editor framework for web applications, built on ProseMirror.

Open-source low-code platform for building internal tools and dashboards on existing databases and APIs, self-hosted or as ToolJet Cloud.

Cloud-native application proxy and reverse proxy that discovers routes from container, orchestrator and file providers.

Open-source platform for building durable AI agents and background tasks in TypeScript, offered as a cloud service and for self-hosting.

Bundler for TypeScript and JavaScript libraries that emits ESM, CJS, IIFE or UMD bundles and declaration files, built on Rolldown.

JavaScript framework from Hotwire that updates server-rendered web applications by sending HTML over the wire.

Build system written in Rust that runs the package.json scripts of JavaScript and TypeScript monorepos with caching and parallel execution.

Embedded SQL database engine written in Rust that is compatible with SQLite, with a hosted service beside it.

Python framework for semantic search, LLM pipelines and workflows, with an embeddings database, a web API and Docker images.

Programming language that adds static types to JavaScript, with a compiler (tsc) that converts its code to JavaScript.

Open-source search server with an HTTP API that indexes collections of documents for instant search, self-hosted or as Typesense Cloud.

JavaScript adapter that connects InstantSearch.js and its React, Vue and Angular bindings to a Typesense search server.

Open-source web and product analytics platform, self-hosted or offered as Umami Cloud.

Open-source user onboarding platform for in-app product tours, checklists and surveys.

Set of web components for business web applications, published by Vaadin as one npm package per component.

Vue component library for mobile web apps, written in TypeScript.

Server-side Swift HTTP web framework for building backends, web apps, APIs and HTTP servers.

Command-line interface of the Vercel hosting platform, used to deploy projects, run them locally and manage them from a terminal.

React component library and design system from monday.com, with styles, tokens and guidelines for application development.

Time series database and monitoring solution that stores metrics pushed by applications and agents, with a Prometheus-compatible query API.

Frontend build tool and dev server for web applications, with a development server and a production bundler.

Testing framework for JavaScript and TypeScript projects, built on Vite.

Open source UI component framework for Vue, distributed as the vuetify npm package.

Headless Vue components and composables with no styling, distributed as the @vuetify/v0 npm package.

Low-code platform for building web and hybrid mobile applications, offered as a cloud service and as an on-premise installation.

Library of framework-agnostic web components with CSS styling, from the team behind Font Awesome.

Asynchronous, event-driven PHP framework for building network servers that handle HTTP, WebSocket and custom socket protocols.

Open-source platform for running many PostgreSQL instances on Kubernetes, with copy-on-write branching and scale-to-zero.

Content management and digital experience platform for .NET web applications, with marketing and commerce features.

Sync engine that keeps a client-side datastore of a web app in step with a Postgres database.