Open Source Alternatives To Popular Software

MathType by Wiris is a subscription-based equation editor for inserting mathematical and chemical notation into documents. It works as an add-in for Microsoft Word and PowerPoint, Google Docs and Slides, WPS Office, and various web text editors and LMS platforms, offering a toolbar with over 500 symbols, handwriting input, and ChemType for chemistry notation. It is sold under annual per-user subscription plans.

Privacy-focused web analytics platform available as a hosted SaaS service.

MaxAI.me is a browser extension that adds AI chat, page summarization, writing assistance, and reply generation to any site, using cloud-based LLMs from OpenAI, Anthropic, and Google. Operates on a freemium subscription model.

Mealime is a meal planning service that generates personalized weekly meal plans, builds smart grocery lists, and provides simple recipes. Built around the idea of taking the planning out of healthy eating, it is available as a mobile and web app with a subscription tier for premium features.

Open-source wiki engine written in PHP, originally developed for Wikipedia and used by millions of wikis worldwide. Maintained by the Wikimedia Foundation and a global community.

A popular online publishing platform for writers and bloggers with built-in audience and monetization features.

Meetup (meetup.com) is a social platform for finding and hosting local groups and events. Organizers pay subscription fees to run groups around shared interests, while members RSVP to in-person and online gatherings. Since 2002 it has been used for hobby, professional, and community meetups worldwide.

Mela is a recipe manager for macOS and iOS by Juicy Bits Software. It offers a clean, distraction-free interface for managing recipes, syncing across Apple devices, and cooking with a built-in browser mode.

Memtime is an automatic time-tracking tool that records which apps, files, and websites you use on your computer and turns that activity timeline into timesheets and billable entries for freelancers and professionals.

Merlin AI is a browser extension that provides AI-powered chat, summarization, and content generation across any webpage, powered by GPT-4, Claude, and other cloud LLMs. Requires a paid subscription for full access.

Merriam-Webster is the flagship American English dictionary from Merriam-Webster, Inc., offering dictionary and thesaurus lookups online, in apps, and through a paid Dictionary API. Access to the full API and ad-free experiences is commercial.

A cross-platform Python-based desktop app by Mate Technologies that removes EXIF, GPS, and hidden metadata from PNG, JPG, WEBP, BMP, and TIFF files. Fully offline with batch processing, metadata preview, and automatic backups.

An iOS and macOS app by Zininworks for viewing, editing, and removing photo metadata. Features Safe Share (removes geotags and personal data before sharing), date/location editing, batch operations, and full EXIF removal without image duplication.

Microsoft 365 (formerly Office 365) is a subscription-based suite of productivity applications including Word, Excel, PowerPoint, Outlook, and cloud services like OneDrive and Teams.

Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password.

Open source alternatives to Microsoft Azure.

Microsoft AI-powered assistant integrated across Microsoft 365 apps, Windows, and Edge for productivity and enterprise search.

Microsoft Excel is the spreadsheet application in the Microsoft 365 suite: worksheets with formulas, dynamic arrays, PivotTables, charts and conditional formatting, used everywhere from quick lists to financial modelling and data analysis.

Microsoft OneNote is a digital note-taking app that allows users to capture, organize, and share notes across all their devices. It is part of the Microsoft 365 suite and offers rich formatting, handwriting support, and collaboration features.

Microsoft Outlook is a popular email client and personal information manager included in the Microsoft 365 suite. It combines email, calendar, contacts, and tasks in one application for desktop, web, and mobile.

Microsoft Paint is a simple image editing and drawing application included with Windows. It supports common tasks such as freehand drawing, cropping, resizing, adding shapes and text, and working with PNG, JPEG, BMP, and GIF files. Modern versions also include layers, transparency, and background removal tools.

Power BI is Microsoft business intelligence software for creating interactive dashboards and reports, with deep integration into Excel, Azure, and the Microsoft 365 ecosystem.

Microsoft PowerPoint is the dominant presentation software in the world, part of the Microsoft 365 suite. It enables users to create slide-based presentations with text, images, charts, animations, transitions, and embedded media, and includes presenter view, rehearsal tools, and real-time co-authoring.

Microsoft Recall is a Windows 11 feature introduced in 2024 for Copilot+ PCs that continuously captures snapshots of your screen and indexes the apps, files, and websites you interact with so you can search through everything you have seen and done on your device.

Microsoft SharePoint is a web-based collaboration platform that integrates with Microsoft Office, used for document management, file sharing, and team collaboration.

Microsoft Teams is Microsoft's team communication hub, bundled with Microsoft 365. It combines persistent chat channels, video meetings and calling, screen sharing, file collaboration on Office documents, and third-party app integrations in a single workspace. It is aimed primarily at businesses and enterprises, with deep ties into Exchange, SharePoint, OneDrive, and Entra ID.

Microsoft To Do is a free, closed-source task list app from Microsoft, built on the technology behind Wunderlist. It syncs tasks across web, Windows, macOS, iOS, and Android and integrates with Outlook and Microsoft 365. All features are free, but the source code is unavailable and data lives in the Microsoft cloud.

Microsoft Word is the word processor in the Microsoft 365 suite: a full document editor with styles, tables, track changes, comments, citations, mail merge and templates, and deep .docx (OOXML) file compatibility with the rest of Office.

Mimecast is a cloud-based email management and cybersecurity platform founded in 2003. Its Email Archiving service is one of the most widely used in the industry, providing tamper-proof retention, eDiscovery, compliance, and rapid search across an organization’s email history, integrated with its broader email security and continuity products.

High-performance, S3-compatible object storage. The most popular self-hosted object storage solution, widely used as a cloud-native alternative to AWS S3.

MindManager is a commercial mind mapping and information visualisation application, published by Alludo. Aimed primarily at business users, it combines mind maps, flowcharts, Gantt charts and project planning views, and is sold as a one-time licence or subscription without a free tier.

MindMeister is a web-based collaborative mind mapping tool developed by Meister. Teams brainstorm, plan and present in real time in the browser, with a freemium model: basic maps are free, while unlimited maps, export formats and admin features require a paid subscription.

Mint was a free personal finance app launched in 2006 and later acquired by Intuit. It let people connect their bank accounts, credit cards, and bills so they could automatically track spending, manage budgets, and set financial goals. It was widely used for giving a clear picture of cash flow, net worth, and overall financial health, but Intuit shut it down in 2023 and directed users to Credit Karma instead.

Open source alternatives to Miro.

Mission Control is Apple's built-in window and Space overview in macOS. It shows every open window and desktop Space in a single zoomed-out layout, and is included with macOS rather than sold separately.

Mixpanel is a product analytics platform that helps businesses track and analyze how users interact with their websites and apps, offering insights through event tracking, funnels, retention reports, and user segmentation to improve engagement and growth.

Mobile Action is a commercial App Store Optimization and mobile growth platform providing keyword tracking, app intelligence, ad intelligence and competitor analytics for iOS and Android apps.

Modal is a proprietary serverless cloud for AI workloads. Modal Sandboxes run untrusted, agent-generated code in isolated containers with gVisor or VM runtimes, filesystem snapshots, network controls, and secret injection. Usage is billed per second of compute.

A browser extension that transforms your New Tab page into a focused, productive, and inspiring dashboard. Features daily inspiration, focus tools, to-do lists, weather, bookmarks, and personalized quotes.

Monarch Money is a paid personal finance platform that aggregates bank, credit card, and investment accounts, offers customizable budgets, goals, recurring transaction tracking, and household collaboration, available via web and mobile apps.

Work operating system that powers teams to run projects and workflows with confidence.

Morningstar Premium is an investment research service providing analyst reports, star ratings, portfolio X-ray tools, and dividend data for stocks and funds. It helps investors evaluate portfolio health and find income-generating investments.

Motion is an AI-powered calendar and task management app developed by Motion Inc. It automatically schedules tasks and meetings using artificial intelligence.

Mozilla Orbit was a browser extension that summarized web pages using a remote Mistral 7B model hosted on Mozilla servers. Mozilla discontinued the project; the codebase is no longer maintained and the hosted API has been retired.

Msty is a proprietary desktop application for running and managing local AI models, including large language models and diffusion models. Developed by CloudStack, LLC, it provides a private workspace for chatting with models, organizing knowledge, and managing prompts, with support for both local open-weight models and cloud-hosted providers.

MyAnimeList (MAL) is the largest online anime and manga tracking community, founded in 2004. Users maintain personal lists of anime and manga they are watching, reading, completed, plan to watch, dropped, or on hold, with episode/chapter progress and a 1–10 rating system, plus reviews and recommendations.

Open source alternatives to MyFitnessPal.

MyHeritage is a subscription-based online genealogy platform founded in 2003 and headquartered in Israel. It offers family tree building, access to billions of historical records, MyHeritage DNA testing, photo enhancement and colorization features, and Smart Matching to find relatives in other users trees.

A comprehensive database development and administration tool supporting multiple database systems including MySQL, MariaDB, MongoDB, SQL Server, and Oracle.

NetSuite is Oracles cloud ERP and business management suite, combining accounting, CRM, HR, e-commerce, and inventory management in a single paid SaaS platform for small to large businesses.

[Netlify](https://www.netlify.com) is a powerful platform for deploying and managing modern web projects. It provides developers with a seamless workflow to build, preview, and ship static sites and frontend applications. With features like continuous deployment from Git, serverless functions, edge functions, form handling, and instant rollbacks, Netlify simplifies the process of going from code to global delivery. ### Key Features - **Continuous Deployment** from GitHub, GitLab, or Bitbucket - **Global CDN** for fast performance - **Serverless Functions** to handle backend logic - **Edge Functions** for dynamic content at the edge - **Custom Domains** with automatic HTTPS - **Deploy Previews** for every pull request - **Built-in Form Handling** and Analytics Ideal for Jamstack applications, Netlify helps teams move faster and focus on building great experiences without managing infrastructure.