Lollypop is a self-hosted, high-performance music library manager and player. It is designed to handle extensive music collections, offering a sleek and modern interface for browsing, organizing, and playing your favorite tracks. The app supports multiple audio formats, playlists, and smart sorting options. Lollypop integrates seamlessly with online services to fetch album artwork, lyrics, and artist information. It also provides a simple API for managing playlists and controlling playback remotely. Lollypop is open-source, free, and designed to run efficiently on minimal hardware, making it a lightweight yet powerful solution for all your music needs.

Lychee is a free, self-hosted photo-management tool designed to make managing your photos a breeze. It allows you to upload, move, rename, describe, delete, and search your photos all in one place, right from your browser. With Lychee, you can easily share your photos and albums with just one click, and even protect them with passwords for added security. The app also allows you to view your images in full-screen mode, navigate using your keyboard, and make your photos public for others to enjoy. Lychee supports batch editing with desktop-like multi-select and displays your EXIF and IPTC Metadata. You can import your photos from various sources, tag them, or mark them as important. Lychee is designed with a beautiful, intuitive interface and is perfect for photographers as it offers unlimited storage, no compression, and no loss in data.

Lynx is a robust URL shortener application designed to simplify and streamline your web browsing experience. Built using the MEVN stack, Lynx offers a user-friendly interface and the ability to redirect the root path for a more personalized touch. The app also features a unique admin interface, providing you with full control over your shortened URLs. With Lynx, you can easily manage and customize your links, each of which includes a slug, destination, and id. The app also supports multiple users, integrates with ShareX, and offers two-factor authentication for enhanced security. Lynx is the sleek, powerful URL shortener you've been looking for.

Mage-AI is a powerful open-source data pipeline tool designed to simplify and accelerate building, deploying, and managing machine learning workflows. It empowers data engineers and scientists with a unified platform to seamlessly create pipelines for data ingestion, transformation, and model deployment. With Mage-AI's user-friendly interface and robust features, it becomes an essential tool for teams aiming to deliver AI solutions efficiently and effectively.

MailCrab is an email test server designed for development purposes. It is an accept-all SMTP server that provides a web interface for viewing and inspecting all incoming emails. You can view formatted mail, download attachments, view headers, or view the complete raw mail contents. The app runs on all amd64 and arm64 platforms using docker. The backend server and the frontend of the app are both written in Rust. The backend receives email over an unencrypted connection on a configurable port, and all email is stored in memory while the application is running. The frontend initially performs a call to receive all existing email metadata and then subscribes for new messages using the websocket connection. When opening a message, the endpoint is used to retrieve the complete message body and raw email. The backend also accepts a few commands over the websocket, to mark a message as opened, to delete a single message or delete all messages.

Maildev is a simple, self-hosted SMTP server designed for testing and debugging emails in development environments. It captures all outgoing emails and provides a web-based UI to view, inspect, and test them. Maildev supports real-time email updates, allowing developers to see emails as they are sent. It also includes an API for programmatic access to emails and supports multiple inboxes for testing different email scenarios. Maildev is lightweight, easy to set up, and works seamlessly in local development and CI/CD pipelines.

MailHog is an intuitive email testing tool designed for developers. It allows you to configure your application to use MailHog for SMTP delivery, enabling you to view your outgoing emails in a user-friendly web UI. The app also offers the option to release messages to real SMTP servers for delivery. With MailHog, you can view messages in the web UI or retrieve them using the JSON API. It supports SMTP AUTH and PIPELINING, and provides real-time updates using EventSource. MailHog also includes a Chaos Monkey for failure testing and HTTP basic authentication for its UI and API. It's lightweight, portable, and requires no installation.

Mailpit is a modern email testing tool designed for developers. It allows you to configure your application to use Mailpit for SMTP delivery, enabling you to view your outgoing emails in a user-friendly web UI. The app also offers the option to forward messages to real SMTP servers for delivery. With Mailpit, you can view messages in the web UI or retrieve them using the JSON API. It supports SMTP AUTH and PIPELINING and provides real-time updates using WebSocket. Mailpit also includes message search functionality, custom SMTP configurations, and HTTP basic authentication for its UI and API. It's lightweight, portable, and easy to deploy.

Manager.io is a versatile accounting software designed for small businesses. It allows you to manage your finances, track expenses, issue invoices, and generate comprehensive financial reports. The software supports multi-currency transactions, inventory tracking, payroll management, and tax calculations. With Manager.io, you can handle all your business accounting needs through an intuitive and user-friendly interface. It's available for desktop, server, and cloud deployment, offering flexibility and scalability for businesses of all sizes.

Mastodon is a unique social networking app that puts control back in your hands. It allows you to curate your own home feed, free from algorithms or ads, ensuring you see only what matters most to you. The app supports a wide range of content types, including audio, video, and picture posts, polls, content warnings, and more, enabling you to express yourself freely online. Mastodon is decentralized and open-source, meaning each server is a completely independent entity, yet able to interoperate with others to form a global social network. The app respects your agency, never serving ads or pushing profiles, and is built on open web protocols, allowing it to interact with any other platform that implements ActivityPub. With Mastodon, you have the power to manage your audience, moderate content, and create a social media experience that truly reflects you.

Matomo is a powerful web analytics platform that allows you to take full control of your data. As a leading global web analytics solution, it is trusted on over 1 million websites across more than 190 countries. Matomo provides an ethical alternative to other analytics platforms, ensuring the protection of your data and your customers' privacy. With Matomo, you have 100% data ownership, meaning you know exactly where your data is stored and what's happening to it. The platform offers a comprehensive range of features that provide actionable insights and a complete picture of your customers. It allows you to securely track personal data in accordance with privacy laws, and offers 100% accurate reporting for impactful decision-making. Matomo can be customised and extended to meet your every need, and it comes with no data limitations, allowing for an unlimited number of websites, users, and segments.

Matrix is an open network designed for secure, decentralised communication. This app allows you to chat with friends, family, communities, and co-workers, providing a cozy, safe, and supercharged environment for your conversations. You can reclaim your space and build advanced, rich communication applications on top of Matrix. The app is part of a rich ecosystem that includes clients, servers, bots, and application services. It's an open-source project, generously hosted by UpCloud. With Matrix, you can start a conversation, build apps, and explore the vast possibilities of a decentralised communication network.

Mattermost is a secure collaboration platform designed to enhance the efficiency and productivity of technical and operational teams. It offers a range of features including team messaging, custom integrations, audio and screen sharing, and workflow automation. Mattermost is designed to improve time to response by 90%, decrease incident resolution time, and increase information availability by executing complex workflows faster and at a higher quality. It also helps in avoiding costly outages and downtime by decreasing the frequency and severity of system failures. The platform is built for enterprise scalability and can be deployed in air gapped networks and BYOD environments. It is also cloud neutral and offers self-host deployment options. Mattermost is open source and can be customized to fit your workflow with robust integrations or by building your own with its App Framework, Plugins, and open APIs.

Mautic is a powerful marketing automation platform designed to revolutionize the way businesses engage with their audience. Offering a comprehensive suite of features, Mautic enables marketers to automate and optimize their marketing strategies. The platform excels in open-source flexibility, allowing users to customize and extend its capabilities according to their unique needs. With a focus on lead tracking and nurturing, Mautic provides valuable insights into user behavior, enabling personalized and targeted campaigns for effective customer acquisition and retention. Its multi-channel marketing support ensures seamless engagement across various platforms, from email campaigns to social media interactions. Mautic's robust campaign management tools, email marketing module, analytics, and reporting features contribute to a data-driven approach, empowering marketers to refine their strategies and achieve optimal return on investment. Integration capabilities further enhance its functionality, ensuring a connected marketing ecosystem. Whether you're a marketing professional or a business owner, Mautic serves as a centralized solution to elevate and streamline your marketing efforts, fostering innovation and success.

Mautic 5 is an open-source, comprehensive marketing automation platform that empowers businesses to manage and optimize customer engagement strategies. It enables marketers to streamline their workflows by automating marketing tasks such as email campaigns, SMS messaging, social media outreach, and lead generation. Mautic 5 offers detailed analytics, campaign tracking, and personalized communication, ensuring an efficient marketing strategy for businesses of all sizes. With its intuitive interface and powerful features, Mautic 5 helps businesses maximize customer engagement while reducing manual effort.

Maybe Finance is a modern, self-hosted finance management tool designed for tracking personal or business finances efficiently. It provides a clean and user-friendly interface, supports integrations for extended functionality, and offers detailed analytics for insights into your financial data. With Maybe Finance, you can take control of your finances, track expenses, and make informed decisions.

mCaptcha is a proof-of-work based captcha system that prioritizes user privacy and offers a fully automated experience. Unlike traditional captcha systems, mCaptcha does not track or profile users, ensuring a privacy-focused user experience. It is designed to be robust and accurate, not relying on IP addresses for rate-limiting, making it suitable for users behind NATs. The user experience is silent and seamless, eliminating the need for annoying image-based captchas. mCaptcha uses a proof-of-work solution to fiercely defend your site, making it more expensive for attackers to target your site than for you to respond to their requests. It is a libre software, with client libraries licensed under proprietary-friendly free software licenses. mCaptcha is also compatible with reCAPTCHA and hCaptcha, making it a convenient drop-in replacement. The core functionality of mCaptcha is to use a SHA256 based proof-of-work system to rate limit users, providing a token upon successful validation that users can then submit with their request or form submission to the target website.

Mealie is a self-hosted recipe manager and meal planner designed to provide a pleasant user experience for the whole family. It features a RestAPI backend and a reactive frontend application built in Vue. With Mealie, you can quickly and easily import recipes from various websites using the built-in recipe scraper. The app ensures the safety of your data with automatic backups in any format supported by Jinja2 templates. It offers a rich and intuitive user interface that allows you to create, edit, and delete recipes with ease. The recipe editor supports markdown syntax for added convenience. Mealie also enables you to create meal plans for the week, month, or year. You can add new users, sort them into groups to share recipes and meal plans, and schedule webhooks to send notifications to 3rd party services with today's meal plan data. The open API gives you full control of the backend server with interactive documentation.

MediaWiki is a powerful, open-source wiki platform that powers some of the largest collaborative projects, including Wikipedia. It offers a flexible and extensible framework for creating and managing content, supporting features like user management, version control, and powerful extensions. MediaWiki provides multilingual support, ensuring global accessibility, and includes built-in tools for content organization, search, and collaboration. It is an ideal solution for knowledge bases, documentation sites, and community-driven content platforms. With a vibrant ecosystem of plugins and themes, MediaWiki can be customized to suit diverse use cases.

Meilisearch Cloud is a next-generation, open-source search engine designed to enhance your search experience. This powerful tool can be effortlessly integrated into any website or application, providing lightning-fast, hyper-relevant search results in less than 50 milliseconds. With Meilisearch, you can deploy a user-focused search experience in just a few minutes, thanks to its smart presets that require zero configuration. It offers the most advanced full-text search engine with great relevancy that fits every use case. Meilisearch supports all languages and automatically detects them, allowing for a truly global search experience. It also allows for custom relevancy, enabling you to create your own ranking rules. Meilisearch ensures secure searches with API keys and tenant tokens, and even allows for real-world geo searches. With Meilisearch Cloud, you can enhance your user's search experience with custom filters and build a faceted search interface in just a few lines of code.

Memos is a privacy-first, lightweight note-taking service designed to easily capture and share your great thoughts. With its focus on privacy, all data generated is saved in the SQLite database file, ensuring that you keep your own data by yourself. The app supports plain text with markdown, allowing you to save all content as plain text, not HTML, while also supporting a variety of useful markdown syntax. Despite being lightweight, Memos is powerful, utilizing a Go + React.js + SQLite architecture. The app is customizable, allowing you to modify the server name, icon, description, system style, and execution script. Memos is open source and free forever, embodying the belief that open source is the future. It offers a RESTful API for third-party services, enabling integration and new possibilities. With Memos, you can embrace a future where creativity knows no boundaries.

Metabase is a powerful, user-friendly application designed to enable your company to explore data independently. It offers fast analytics with integrated tooling and a friendly user interface. With Metabase, you can go from zero to dashboard in just 2 minutes, allowing you to connect directly to over 20+ data sources, from your startup’s production database to massive data warehouses, and query immediately without extracts. The application is trusted by over 50,000 companies and is accessible to all, with a range of plans from free open-source to pay-as-you-go Pro and Enterprise. Metabase allows you to create and share interactive dashboards, craft metadata-rich models, and free your data from the confines of SQL with a Visual Query Builder. It is designed to make self-service analytics a reality, providing a simple yet powerful tool for data exploration and dashboarding.

MetaTrader 5 (MT5) is a powerful, multi-functional trading platform designed for financial institutions, brokers, and individual traders. It supports trading in various financial markets, including Forex, stocks, futures, and CFDs. MT5 offers advanced charting tools, technical indicators, and automated trading capabilities through Expert Advisors (EAs). With a focus on speed, reliability, and flexibility, MT5 enables seamless market analysis, efficient trade execution, and comprehensive risk management. The platform supports multi-asset trading, backtesting, and a robust API for custom integrations.

MeTube is a web-based application that provides a user-friendly interface for the popular command-line tool, youtube-dl. It allows you to easily download videos from YouTube and dozens of other sites, right from your browser. The app supports playlist downloads, making it easy to grab an entire series of videos at once. It also offers a range of configuration options, allowing you to customize the download process to suit your needs. For instance, you can choose to save your downloads to a specific directory, separate audio-only downloads from video downloads, and even specify the filename template for your downloaded videos. MeTube also supports dark mode for a more comfortable viewing experience. The app runs in a Docker container, making it easy to deploy on any system that supports Docker.

The itzg/minecraft-bedrock-server app is designed to provide a seamless Minecraft Server experience for the Bedrock Edition. It automatically downloads the latest stable version of the Minecraft server at startup, ensuring you're always up-to-date with the game's latest features and improvements. The app also allows you to run or upgrade to any specific version or the latest snapshot, giving you full control over your gaming experience. If you're using Minecraft clients on consoles, mobile, or native Windows, the app offers a dedicated Bedrock Server for optimal performance. The standard server port, 19132, will be exposed on your host machine for easy access and gameplay.

The itzg/minecraft-server app is designed to provide a seamless Minecraft Server experience. It automatically downloads the latest stable version of the Minecraft server at startup, ensuring you're always up-to-date with the game's latest features and improvements. The app also allows you to run or upgrade to any specific version or the latest snapshot, giving you full control over your gaming experience. If you're using Minecraft clients on consoles, mobile, or native Windows, the app offers a dedicated Bedrock Server for optimal performance. The standard server port, 25565, will be exposed on your host machine for easy access and gameplay.

Miniflux is a minimalist and opinionated feed reader designed to prioritize content and readability. It optimizes the page layout, fonts, and colors to ensure that they are screen-friendly. If you have feeds that display only a summary, Miniflux fetches the original article automatically. The app is designed with simplicity in mind, focusing on essential features and avoiding bloated software. It is fast and efficient, allowing you to navigate through the application using keyboard shortcuts and quickly scan your unread items with a lightweight user interface. Miniflux also respects your privacy, ensuring that no one resells your private data or tracks your usage. It automatically removes pixel trackers and does not feature any advertising or user tracking. Miniflux is a free, open-source project distributed under the permissive Apache 2.0 License.

Minio is an open-source, self-hosted object storage solution designed to empower users with efficient data storage and management capabilities. Prioritizing control and privacy, Minio enables individuals and organizations to build their private cloud infrastructure. With its user-friendly interface and robust features, Minio allows seamless storage and retrieval of large amounts of data while offering secure access controls.

mongo-express is a web-based MongoDB admin interface designed with Node.js, Express, and Bootstrap3. It allows you to connect to multiple databases, view, add, delete databases, and manage collections. You can also view, add, update, and delete documents within these collections. The app supports previewing audio, video, and image assets inline in the collection view. Large or nested objects are collapsible for easy overview, and big document properties are loaded on-demand to keep the collection view fast. The app also supports GridFS, enabling you to add, get, and delete incredibly large files. It uses BSON data types in documents and is mobile responsive, thanks to Bootstrap 3. The app also supports connection and authentication to individual databases, as well as admin authentication to view all databases. It includes features for database blacklist/whitelist, custom CA, and CA validation disabling, and supports replica sets.

OfficeLife is an all-in-one tool designed to manage a company efficiently. It serves as your personal CRM, helping you organize and follow-up on your social interactions, thereby strengthening your relationships. With Monica, you can easily log and remember important details about your friends, family, and colleagues. It allows you to store everything you know about your loved ones in one place, from their work information, family details, activities you've done together, to reminders about important dates. Monica is designed for busy individuals striving to maintain a good work-life balance. It's a private space, free from ads or malicious software, where you can safely document what you know about who you love. Monica is open source, ensuring transparency and security.