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Media Chrome is a collection of customizable web component media player controls that separate the player UI from the playback engine. It can be used with or without JavaScript frameworks and styled with CSS. The project is now part of Video.js, which offers React components, skins, and smaller bundles.
MedusaJS is a developer resource for coding, documentation, communities, security research, or software tools.
Meta-Mapper is a developer resource for coding, documentation, communities, security research, or software tools.
Million describes itself as a research lab specializing in frontend coding data that builds open-source developer tools, datasets, and reinforcement learning environments for people and frontier coding agents. It builds environments and evals in which agents ship features, deploy applications, and debug issues, including React Bench.
mmm is a developer resource for coding, documentation, communities, security research, or software tools.
Mobirise is website builder software for Windows, Mac and Linux that also runs online with AI. Users build sites by arranging blocks and editing text and photos visually, without coding. Mobirise AI generates draft site designs from a description. The software is free for personal and commercial use, and premium themes and extensions are sold as a kit.
Mockend creates fake REST and GraphQL APIs from a mockend.yml file in a GitHub repository. It generates data with random generators and supports model relations. Writes are not persisted. The documented uses include working without a completed backend and building demos or prototypes. Pricing is per account, with Pro at $29 per month and Business at $99 per month after a 14-day free trial.
Mossaik creates abstract SVG backgrounds with waves for websites, mobile devices, tablets, laptops and presentations. Options include the number of waves, angle, color and color mode, and designs can be exported as SVG or PNG images. The editor is launched from the site.
Motion is an animation library for React, JavaScript and Vue, previously known as Framer Motion. It provides layout, gesture, scroll, spring, exit and 3D animations, with hardware acceleration and a mini animate function starting at 3.2kb. Premium components, examples and tutorials are offered through Motion+ and the AI Kit.
Neon is a serverless backend platform built on Lakebase Postgres, offering Postgres databases with branching and autoscaling alongside authentication, object storage, functions and an AI gateway. Environments can be created and branched via MCP, CLI and SDK, and services are described as instant, branchable and agent-ready.
ngrok is developer infrastructure that routes and secures traffic to apps, APIs and AI models wherever they run, from localhost to production. It offers an AI Gateway, a gateway to services running anywhere, and localhost sharing. It provides a REST-style API at https://api.ngrok.com, plus client libraries, a CLI and a Terraform provider. A guide covers exposing a local MCP server with a stable public HTTPS URL secured by Traffic Policy.
Novu is described as open-source notification and agent communication infrastructure. One API connects AI agents and products to customers across in-app, email, SMS, push, WhatsApp, Slack, Microsoft Teams and Telegram, and an Inbox component can be added to an app. Novu Connect plugs an AI agent into channels such as Slack, Teams, WhatsApp, email and Telegram, starting from templates.
Odie is a developer resource for coding, documentation, communities, security research, or software tools.
OneLinePlayer is a free web video player for Vimeo and Dropbox videos. It uses a direct link to a video file and offers preview images, player style adjustments, and controls such as autoplay, loop and mute. A GIF mode is available. The makers state they are not a video hosting platform. Certain Vimeo controls customization requires a Vimeo Plus plan or above.
Open UI is a W3C Community Group that aims to let web developers style and extend built-in web UI components and controls such as dropdowns, checkboxes, radio buttons, and date or color pickers. The group plans to specify component parts, states, behaviors, accessibility requirements and test suites, and to implement polyfills for extensible controls.
OpenChakra is a developer resource for coding, documentation, communities, security research, or software tools.
Own-Free-Website.com is a service for creating a free homepage without coding skills. It offers a short ".page.tl" domain ending, up to 1 gigabyte of free web space, design templates, and features such as a guestbook, hit counter and survey function. Premium packages are available for extending a site.
Pa11y is a set of free and open source tools for automated accessibility testing of web pages. The command-line interface loads pages and highlights accessibility issues, while Pa11y Dashboard tests pages daily and graphs improvements and regressions. Pa11y Webservice is the JSON-based webservice behind the dashboard, and Pa11y CI iterates over a list of pages for use in CI.
Pageflows is a developer resource for coding, documentation, communities, security research, or software tools.
PageSpeed is a developer resource for coding, documentation, communities, security research, or software tools.
PaletteGenerator is a tool for generating color palettes for web UX/UI design. It offers 8 harmony methods, a live interface preview, palette refinement, and export to CSS variables, JSON and SVG.
Paletton is a designer color tool for creating color combinations that work together well. It uses classical color theory with an RYB color wheel to design palettes of one to four hues, each of five shades. Palettes can be previewed in styles including web site design and UI design, and exported in formats such as HTML, CSS, XML, PNG and Photoshop ACO. It is the successor of Color Scheme Designer.
Palettte is a developer resource for coding, documentation, communities, security research, or software tools.
Pattern Monster is a developer resource for coding, documentation, communities, security research, or software tools.
