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.
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The Million Song Dataset is a freely available collection of audio features and metadata for one million contemporary popular music tracks, provided by The Echo Nest. It aims to support research on algorithms at commercial scale and provide a reference dataset for evaluation. It contains derived features, not audio, though sample audio can be fetched via provided code.
Milton is a free and open-source infinite canvas paint program for Windows, macOS and Linux. It works with vectors while feeling raster-based and saves changes automatically without a save button. Features include layers, blur, lines, unlimited undo and redo, and export to JPEG or PNG at any supported resolution.
Milvus is open source vector database for production AI, written in Go and C++, scalable and blazing fast for billions of embedding vectors.
📦 Open-Source Models (via Nebius).
Minato is an online Japanese e-learning site from the Japan Foundation. It offers Japanese courses and a community where learners can interact with fellow students around the world. Courses are listed for levels from A1 upward, in several languages, with free applications open. Beginners are welcomed.
Minecraft Armor Stand is a free, open-source tool for creating poses for Minecraft armor stands. It offers body part rotation controls, stand properties such as Invisible and No Gravity, equipment slots, custom heads, scoreboard tags, and give-code output, with version options from Minecraft 1.8 to 1.21.5 and above.
Minemev is a technical Minecraft archive of schematics, redstone contraptions and builds. It offers full-text and tag search, one-click .litematic downloads, a browser 3D viewer for inspecting schematics by block and layer, and an open-source Electron desktop app with an integrated download manager. The site lists 493 uploaded litematics and 50K+ community members.
Open-source project that provides machine-learning models, research, training resources, or evaluation tools.
MiniMax is a general AI technology company that develops multimodal foundation models and AI-native products. Its models are described as handling text, audio, image, video, and music, and it offers an open platform for enterprises and developers.
Dataset repository covering empirical social, with searchable aggregated data.
MinusX is an open source agentic business intelligence platform that combines a data agent with a BI tool. It answers questions, builds dashboards and sets alerts, with slides and data stories, visualizations and a SQL GUI. It can be self-hosted or used via MinusX Cloud, and the source is available and inspectable.
miRBase is a database described as the archive for microRNA sequences and annotations. It supports searching by identifier or keyword, by genomic location, and by tissue expression, and offers downloads. The site notes version 23.1, released September 2026.
MiroTalk P2P is an open-source self-hosted WebRTC video calling and meeting platform. It supports peer-to-peer video calls with screen sharing, chat, whiteboard and collaboration in the browser. The project is released under AGPLv3 and states unlimited conference rooms without call time limitation.
MiroTalk SFU is an open-source, self-hosted WebRTC video conferencing platform powered by Mediasoup. It offers browser-based real-time video calls with screen sharing, chat, recording, a collaborative whiteboard, file sharing and RTMP streaming. It is released under the AGPLv3 license and states no download, plug-in or login is required.
Mirror is a code project with source, releases, documentation, or setup notes.
Miru is a free, open source multifunctional media entertainment application supporting video, comics, and novel expansion sources on Android, Windows, and Web. It is being developed with Flutter and uses the QuickJS engine for extensions, with functionality being implemented gradually. An official extension repository provides video sources, and custom extension repositories and proxies are supported.
Public data portal for browsing datasets from Missouri, United States.
Find and access geology research data, with indexed geospatial data.
Mistral offers frontier open-weight models that organizations can own and control. Models can be customized with Forge, deployed with Studio, and run on-premises, in a VPC, or in Mistral's cloud. It also provides Vibe, a personal AI agent available on web and mobile.
The Mitelman Database of Chromosome Aberrations and Gene Fusions in Cancer relates cytogenetic changes and their genomic consequences, particularly gene fusions, to tumor characteristics. It contains individual cases and associations. The site is optimized for Google Chrome or Mozilla Firefox desktop browsers.
mitmproxy is a free and open source interactive HTTPS proxy. It can be used to intercept, inspect, modify and replay web traffic, including HTTP/1, HTTP/2, HTTP/3, WebSockets and other SSL/TLS-protected protocols. It offers a command line interface, a graphical web interface, and a Python API for writing addons and scripts. Downloads are available for Windows, Linux, macOS and Docker.
Mitosis is an open-source tool that transforms JSX components into functional components for frameworks such as Angular, React, Qwik, Vue, Svelte, Solid, and React Native. Writing UI components once in JSX allows them to be deployed across platforms without rewriting code for each framework. It also integrates with Figma to sync design systems to code and can generate Lit, Stencil, and raw web components.
Mixxx is free, open-source DJ software for performing live mixes with digital music files. It provides four decks, BPM and musical key detection, Sync Lock, hotcues, beat looping, effects chains and multiple equalizers. It includes built-in mappings for DJ controller hardware, a programmable mapping system for MIDI or HID devices, and support for lossless and lossy audio formats.