LIBSVM is an integrated software library for support vector classification, regression and distribution estimation. It provides a simple interface for linking with other programs and includes multi-class classification, cross-validation and probability estimates. Interfaces exist for Python, R, MATLAB and other languages.
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LightFM is a Python implementation of recommendation algorithms for implicit and explicit feedback. It allows item and user metadata to be incorporated into matrix factorization algorithms, representing users and items as sums of latent feature representations. Installation is available from PyPI, and a Docker setup is provided for running examples and tests.
Lightwood is an AutoML framework that generates and customizes machine learning pipelines using a declarative JSON-AI syntax. It handles data types such as numbers, dates, categories, tags, text, arrays and multimedia formats, and includes a time-series mode. Users can override defaults or replace pipeline steps, and the framework generates Python code for the pipeline.
Linux.org is a friendly Linux forum where members register and post in discussion threads. The site also hosts articles and how-to series covering topics such as a Python series, Proxmox VE, the Arduino Uno Q and the PocketBeagle 2.
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.
Lobe is a free tool for Mac and PC that helps users train machine learning models and ship them to any platform. The GitHub organization hosts starter projects for iOS and web, a Python toolset for working with Lobe models, and tools for creating image-based datasets. The team states the Lobe desktop application is no longer under development.
Lucas Chess is an open source chess program developed with Python and PySide2 for training, playing and competing on a PC. It includes 57 prepared engines with levels from 0 to 3600 elo, and other UCI engines can be added. The program offers trainings, tournaments and PGN database tools.
m2cgen is a tool that transforms trained machine learning models into native code across a wide range of programming languages including Java, C, Python, Go, JavaScript, C#, R, PHP, Dart, Haskell, Ruby, F#, and Rust, with zero dependencies. Its codebase is hosted in the BayesWitnesses GitHub repository, which includes navigation for installation, development guidance, supported languages, and supported model types.
Masto is an OSINT tool written in python to gather intelligence on Mastodon users and instances.
mat2 is an open source metadata removal tool written in Python 3. It supports a wide range of commonly used file formats, and is built as a library that powers an eponymous command line interface and multiple file manager extensions. The project is hosted on GitHub under the jvoisin/mat2 repository.
MCGrad is a tool for multicalibration that aims to keep machine learning model predictions calibrated globally and across segments defined by features. It requires Python 3.10+ and is installed with pip or conda; the project's own description says it has been deployed at Meta on hundreds of production models.
MediaWiki Code2Code Search is an AI-powered semantic neural retrieval tool for searching MediaWiki source code. It uses Sentence-Transformers to enable meaning-based search rather than keyword-only matching, allowing users to find functions, types, and templates across the entire MediaWiki ecosystem. It supports multiple programming languages including PHP, Python, JavaScript, Go, TypeScript and Lua, and provides sample evaluation queries for common code search tasks.
Python tool used to download, extract, and apply date, time, and location metadata to Snapchat Memories when exporting them from the app.
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.
metagoofil is a Python security tool that searches Google for specific file types hosted on a target website, with optional local download of discovered files. It is intended for open source intelligence gathering, penetration testing, and identifying files organizations publicly expose to search indexers. It is a maintained fork of the original metagoofil project, preinstalled by default on Kali Linux, and deliberately excludes built-in metadata analysis in favor of external tools like exiftool.
A Python module for metric learning.
Metric Learning Algorithms in Python.
Microsoft Agent Framework is a framework for building AI agents and multi-agent workflows in .NET, Python, and Go. It provides agents that use LLMs to process inputs, call tools and MCP servers, and generate responses, plus functional and graph-based workflows that connect agents and functions through explicit execution paths. It includes model clients, agent sessions, context providers, middleware, and MCP clients.
A minimal, educational, Pythonic implementation of autograd (~100 loc).
Mirascope is a project labeled the LLM Anti-Framework that provides one unified interface for using frontier LLMs. Its examples show calling LLMs with a decorator, getting structured output via Pydantic models, and building an agent with tools. It is organized as a monorepo with Python and TypeScript implementations plus documentation.
MITIE is a set of tools for information extraction built on dlib. It provides named entity extraction and binary relation detection, along with tools for training custom extractors and relation detectors. Pre-trained models support English, Spanish and German. The core is written in C++, with bindings for Python, R, Java, C and MATLAB.
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.
Lightweight ML utility for automated training, evaluation, and prediction with CLI and Python API support.
Mopidy is an extensible music server written in Python. It plays music from local disk, Spotify, SoundCloud and Internet radio, and runs in a terminal or background on Linux computers and Macs. Out of the box it is an HTTP server; with the Mopidy-MPD extension it also becomes an MPD server. Users control playback from phones, tablets or computers with MPD or web clients.