Kenney offers thousands of completely free game assets for use in projects. The site also provides free and open source Starter Kits covering various game genres that help with starting game development.
Directory
Search results
Published directory entries matching your search.
Lapce is a modern open source code editor written in Rust, featuring a native GUI with GPU acceleration in Floem. It offers remote development, built-in LSP support with Tree-sitter syntax highlighting, Vim-like modal editing and a WASI plugin system for writing plugins in languages that compile to WASI. It includes a built-in terminal.
Learn X in Y minutes is a community-driven site offering brief tours of programming languages, plus frameworks and libraries, tools, and algorithms and data structures. Language pages are available in numerous translations, including English, French, German, Spanish and Chinese.
Liveweave is a browser-based workspace for HTML, CSS, and JavaScript with a live preview and an AI coding assistant. It also offers a Python playground, an SVG graphics editor, and a color explorer. The site hosts a showcase of user-created experiments, such as templates and a 3D bowling game.
Mail-in-a-Box turns a fresh cloud computer into a working mail server, letting users run their own mail service. It provides webmail, an IMAP/SMTP server, contacts and calendar synchronization, and a control panel. It also offers spam filtering, mail filter rules, automated backups, automatic DNS configuration, and support for multiple users and domain names.
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.
Meilisearch is a search engine that indexes content and exposes it through search, conversational interfaces and APIs. It supports full-text search, semantic search and hybrid search, and can be used on the managed Meilisearch Cloud or self-hosted as an open source engine. Official SDKs are available for several programming languages and frameworks.
Meld is a visual diff and merge tool for comparing files, directories, and version-controlled projects. It provides two- and three-way comparison, three-way merge assistance with conflict handling, and support for Git, Mercurial, Bazaar, and Subversion. It is packaged for Linux/Unix distributions and Flathub, with a Windows installer available; macOS support is not yet official.
Merklemap is a subdomain and certificate transparency search engine. It collects Certificate Transparency data by live tailing CT logs and indexing certificates, and offers a web interface, an API, and a CLI for searching subdomains and SSL/TLS certificates.
Meshtastic is an open source, community-driven project that uses LoRa radios as an off-grid communication platform in areas without reliable communications infrastructure. Devices rebroadcast messages to form a mesh network without cell towers, WiFi or internet, and can be paired with a phone or computer via Bluetooth, WiFi or USB. Clients include Apple and Android apps, a web client and a Python CLI/SDK.
Meta Tags is a tool for editing and experimenting with page metadata, then previewing how a webpage will appear on Google, Facebook, X and more. The site also links to official debuggers for Facebook, X, LinkedIn and structured data.
Modern CSS Solutions is a series by frontend developer Stephanie Eckles examining modern CSS approaches to common frontend problems. Articles cover topics such as custom properties, container query units, CSS math functions, selectors, accessibility upgrades, and testing browser feature support with fallbacks and build tools. A companion site, SmolCSS, offers minimal snippets for modern layouts and components.
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.
NeoVimCraft is a curated directory of Neovim plugins, organized by categories such as colorschemes, LSP, git and AI. Listings show repository names, star counts and creation and update dates. The site also offers sections for plugins, configs and about, and invites plugin submissions.
Netlify is a platform for building and shipping web projects. It allows users to create with AI tools or code and deploy instantly to production infrastructure. The platform includes features such as agent runners, deploy previews, AI gateway, functions, database, observability, security, and a global edge network, and operates an official Discord community for builders.
NETworkManager is a free, open-source tool for managing networks and troubleshooting network problems. It includes 28 built-in tools such as an IP scanner, port scanner, ping monitor, DNS lookup, remote desktop and PowerShell in a single interface. It offers profiles for organizing hosts, and no license, subscription or telemetry.
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.
Octopus.do is a visual sitemap and website planning tool. It offers a visual sitemap builder with lo-fi wireframes for prototyping website architecture, and allows crawling a website, choosing a template, or generating with AI. Sitemaps can be shared without sign-up, and exports include PNG, PDF, Excel, Figma, and WordPress.
Odoo offers a free, open-source website builder and CMS. The AI-powered configurator creates a website through steps including setting business type, selecting a color palette, uploading a logo and picking a theme. Pages are built with drag-and-drop blocks, and features include mobile responsiveness, translation, SEO tools and analytics.
OG Image Generator is a free web tool for creating open graph images, social media previews, and Twitter cards. It offers customizable templates, fonts, and optional app screenshot support, exporting images as 1200×630 PNG files.
Ogmo Editor 3 is a free, open source, project oriented level editor made for indie game developers by indie game developers. It offers a project based workflow, layer types for tiles, decals, entities and grids, and saves levels to JSON files. It is free to use for personal and commercial projects and is open sourced under the MIT license.
Onelang is a browser-based IDE for cross-language editing, exposed through a web interface. The page notes that unsupported browsers may not work and recommends the latest Chrome or Firefox. It offers demos covering generic features, reflection, inheritance, big integers, JSON handling and Hello world, and states that the compiler backend requires authentication.
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.