Macroinvertebrates.org is a taxonomy browsing site for aquatic macroinvertebrates. It presents insect orders, families and genera, including beetles, true flies, mayflies, dragonflies and stoneflies, with collection and taxa list views. It also provides an identification key, training materials, a practice quiz, a glossary and a PocketMacros app.
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Macro Recorder is an automation tool for Windows and Mac that records mouse clicks and keystrokes and replays them. It includes a built-in macro editor and integrates AI engines and language models for desktop automation tasks.
Mahou is a keyboard layout switcher that switches between the layouts selected in its settings rather than to the next layout. It can convert selected text, the last typed word or the last line, and requires .NET 4.0 or higher. Settings are stored in the folder containing Mahou.exe or in %AppData%.
Mailfence is a secure and private email service that provides encrypted email protected by Belgian privacy law. It includes calendars, documents, groups, and tools for managing OpenPGP keys and digital signatures.
Markpad is a markdown viewer and editor for Windows, macOS, and Linux, described as a tabbed Notepad alternative. It offers a GFM preview with syntax highlighting, KaTeX math, Mermaid diagrams, and an embedded Monaco editor with Vim keybindings. It is free and open source and is described as having zero telemetry.
Find published open datasets through filters, categories and keyword search.
Massey University is a New Zealand institution offering undergraduate and postgraduate degrees, diplomas and certificates. It provides online and on-campus study options across campuses in Auckland, Wellington and Manawatū. The site lists qualifications, courses, entry requirements, scholarships, fees and key dates.
A user-friendly Python toolkit for open source intelligence, providing key features such as image geolocation, social media profiling, email breach checks, domain lookup, metadata extraction, Google dorking, Wayback Machine queries, IP geolocation with blacklist checks, reverse image search, among others.
Materials Cloud Archive is a moderated repository. Submitted records are reviewed by Materials Cloud moderators before publication. Registered users get a personal work area for storing and tracking submitted records, creating new versions and changing references and keywords. DOIs are registered when a record is created and become active when the record is published.
MathDF is an online math solver with integrated AI chat and step-by-step solution functionality. It supports solving derivatives, integrals, equations, inequalities and related math problems. Users can input problems via math keyboard, photo scan, handwriting, or natural language. The tool provides instant in-browser results while typing, offers step-by-step solutions for eligible problems, supports image attachments, and includes a basic calculator mode.
MathURLs is a mathematics news aggregator that collects math news from popular math websites in one place. Users can choose sites to search from. Personal preferences, including keyword highlighting, filtering, pinned articles, push notifications and customized RSS feeds, are listed as upcoming features. Search supports operators such as AND, OR, NOT and prefix wildcards.
bridge between mattermost, IRC, gitter, xmpp, slack, discord, telegram, rocketchat, twitch, ssh-chat, zulip, whatsapp, keybase, matrix, microsoft teams, nextcloud, mumble, vk and more with REST API (mattermost not required!)
Maze is a JavaScript web app that generates mazes of varying difficulty and lets users solve them by navigating a character to a flag. Controls include keyboard arrows, mouse dragging or touch. A solve option completes the maze automatically, and the app is presented as an illustration of recursive programming.
An MCP tool that connects Google Ads with Claude AI/Cursor and others, allowing you to analyze your advertising data through natural language conversations. This integration gives you access to campaign information, performance metrics, keyword analytics, and ad management—all through simple chat with Claude, Cursor or Windsurf.
MediafireTrend is a free search engine for the MediaFire file host. Users enter keywords to locate files such as documents, images, music and videos. The page describes filtering options and tips for effective searching, and states it is not intended for illegal downloads.
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.
MEGA is an encrypted cloud storage service offering free storage, secure file upload, download and sharing, private chat and meetings, plus a VPN and password manager. It uses zero-knowledge encryption so only the data owner and authorised users hold the keys.
A browser-based tool that generates HTML meta tags for single-page apps, using Open Graph and Twitter web standards. It also produces social media posts and stores the last generated form in localStorage. Inputs cover title, description, keywords, URL, image URL, author and Twitter username.
A decentralized search engine and automated press review tool shaped as a WebExtension browser addon. Searches are keyword driven with selectable sources, and searches can be scheduled and exported. The search and sort job is handled by the extension on the user's computer, with no central server involved.
Midiano is an interactive piano-learning app that runs in a modern browser. It opens MIDI files and shows notes as falling bars over a piano with corresponding sheet music. Users can connect a MIDI keyboard for instant feedback, adjust song speed, loop sections and generate sheet music. It runs client-side and can be installed for offline use.
Miniflux is a minimalist, opinionated, self-hostable feed reader. It is lightweight, optimized for readability, and automatically fetches original article content for feeds that only display summaries. The reader removes pixel trackers and tracking parameters from URLs, uses a media proxy to prevent third-party tracking, has no telemetry or advertising, and supports keyboard shortcuts for navigation. Paid hosting is available for $15 per year with a 15-day trial period.
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.
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.
MCP Inspector is a developer tool for inspecting Model Context Protocol (MCP) servers, shipped as a single package. It provides four ways to inspect a server: a web app with a Node backend, a scriptable command-line client, an interactive terminal UI, and an experimental connection CLI. The tool manages secrets such as OAuth tokens and stdio env values, storing them in the OS keychain by default.