Open Source Windows Productivity Software
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Productivity Software for Windows
View 532 business solutionsBrowse free open source Productivity software and projects for Windows below. Use the toggles on the left to filter open source Productivity software by OS, license, language, programming language, and project status.
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Ship Agents FasterGemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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Obsidian
Community plugins list, theme list, and releases of Obsidian
The Obsidian Releases repository provides the official distribution builds and installers for Obsidian, the popular markdown-based knowledge management and personal wiki application. Obsidian itself is a powerful, offline-first note-taking tool that helps users build interconnected knowledge graphs using markdown files stored locally on their devices, with plugins and community themes for extensibility. This repository houses versioned compiled binaries and packages for multiple platforms such as Windows, macOS, and Linux, enabling users to download stable or nightly builds directly without needing to build the app from source. By maintaining clear version history and downloadable artifacts, it makes it easy for individuals and organizations to audit, rollback, or pin specific Obsidian releases for workflows that depend on stability or particular plugin compatibility. -
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Deskflow
Share a single keyboard and mouse between multiple computers
Deskflow is a lightweight productivity tool designed to streamline window and workspace management. It features hotkey-driven app launching, workspace switching, window snapping, search快捷启动, and minimal UI. Built with modern frameworks (likely Electron or Qt) and geared toward power users wanting efficient workflow control. -
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Digital Clock 4
beautiful customizable clock with plugins
Very customizable beautiful clock. There are 2 versions exist (they may co-exist): - Digital Clock 4 - discontinued, not recommended - Digital Clock 5 - discontinued, replacement for Digital Clock 4 Digital Clock 4 final version is 4.7.9 Digital Clock 5 final version is 5.2.2 Nothing special is required to start using this clock. Just launch it and enjoy! When it starts, apart from the clock itself, a small tray icon appears. This tray icon can be used to call the clock configuration dialog. Also this dialog can be called using clock context menu. Sources (v5) are hosted on GitHub: https://github.com/Kolcha/DigitalClock5 You can create your own skin! See this link for details: https://sourceforge.net/p/digitalclock4/wiki/How%20to%20create%20skin/ NOTE: do NOT download any .rar or .exe files marked as my software, these files are NOT made by me and I'm not responsible for their content -
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A simple notepad-like text editor with many features. It is designed to be a small and fast.
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Notepad Next
A cross-platform, reimplementation of Notepad++
A cross-platform, reimplementation of Notepad++. Though the application overall is stable and usable, it should not be considered safe for critically important work. There are numerous bugs and half-working implementations. Pull requests are greatly appreciated. Windows packages are available as an installer or a stand-alone zip file on the release page. The installer provides additional components such as an auto-updater and Windows context menu integration. -
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Gnaural
Entrain your brain!
A programmable audio generator intended as an aural aid to meditation, implementing the binaural beat principle as described in Gerald Oster's Oct. 1973 Scientific American article "Auditory Beats in the Brain." -
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Joplin
Open source note taking and to-do app with synchronization
Joplin is a free and open source note-taking and to-do application that can handle a large number of notes in Markdown format, organize them into notebooks and synchronize them with various cloud services. All notes can also be copied, tagged, searched and modified directly from the app or through your own text editor. Notes that are exported from Evernote can be imported into Joplin, be it formatted content, resources, complete metadata or plain Markdown files. When notes are synchronized with cloud services, notebooks, tags and other metadata can easily be moved, inspected or backed up as plain text files. Supported cloud services include Nextcloud, OneDrive, Dropbox and WebDAV. Joplin is available for Windows, Linux, macOS, iOS and Android, with three types: desktop, mobile and terminal. All of them have similar user interfaces and can be synchronized with each other. -
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Xournal++
A handwriting notetaking software with PDF annotation support
Xournal++ (/ˌzɚnl̟ˌplʌsˈplʌs/) is an open-source and cross-platform note-taking software that is fast, flexible, and functional. A modern rewrite and a more feature-rich version of the wonderful Xournal program. Support for pressure-sensitive stylus and drawing tablets (Wacom, Huion, XP-Pen, etc.) Robust and customizable pen, highlighter and eraser tools, allowing you to write how you want to write. Use layers to make complex notes that are still pleasant to work with. Keep track of the notes by using page previews. Add images and create various shapes, from circles to splines to axis. Snap objects to rectangular grid or degrees of rotation. Create anything from differential equations to electrical circuits or the structural formula of molecules using our built-in LaTeX editor. Customize your toolbar to create a new layout, tailor-made for you. -
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Open Notebook
An Open Source implementation of Notebook LM with more flexibility
Open Notebook is an open-source, privacy-focused alternative to Google’s Notebook LM that gives users full control over their research and AI workflows. Designed to be self-hosted, it ensures complete data sovereignty by keeping your content local or within your own infrastructure. The platform supports 16+ AI providers—including OpenAI, Anthropic, Ollama, Google, and LM Studio—allowing flexible model choice and cost optimization. Open Notebook enables users to organize and analyze multi-modal content such as PDFs, videos, audio files, web pages, and Office documents. It combines full-text and vector search with context-aware AI chat to deliver insights grounded in your own research materials. With advanced features like multi-speaker podcast generation, customizable content transformations, and a comprehensive REST API, Open Notebook provides a powerful and extensible research environment. -
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Stretchly
The break time reminder app
Stretchly is a cross-platform open-source app that reminds you to take breaks when working on your computer. When you run Stretchly for the first time, you are presented with a Welcome window that allows you to change the language, review the preferences, view the online tutorial or simply continue with the default preferences. Stretchly itself lives in your tray, only displaying a reminder window from time to time, which contains an idea for a break. By default, there is a 20 second Mini Break every 10 minutes and a 5 minute Long Break every 30 minutes (after 2 Mini Breaks). You'll be notified 10 seconds before a Mini Break (and 30 seconds before a Long Break) so that you can prepare to pause your work. When a break starts, you can postpone it once for 2 minutes (Mini Breaks) or 5 minutes (Long Breaks). Then, after a specific time interval passes, you can skip the break. Both actions are available by clicking on the link at the bottom of window. -
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ShareX
Screen capture, file sharing and productivity tool
ShareX is a lightweight free and open source program that allows you to capture or record any area of your screen and share it with a single press of a key. ShareX offers numerous methods of capture including full screen, monitor, freehand and so much more. It also features plenty of customizable after-capture tasks and supports more than 80 different image, text, and file hosting services, as well as many URL shortening and sharing services. -
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Lorien
Infinite canvas drawing/whiteboarding app
Lorien is a fast, lightweight infinite-canvas drawing and note-taking application designed for brainstorming, sketching, and freeform diagramming without the bloat of traditional bitmap editors. Instead of storing raster image data, Lorien saves each brush stroke as vector-like points and reconstructs drawings at runtime, resulting in extremely small save files and smooth performance even on large canvases. The app runs on Windows, macOS, and Linux, and it’s built using the Godot game engine, which gives it a responsive and modern user interface across platforms. Users get features like infinite zoom, undo/redo, and a grid that stretches endlessly, making it well suited to both quick scribbles and detailed conceptual layouts. Lorien supports pressure-sensitive tablets for natural drawing, and it includes a range of basic tools — from freehand brush and eraser to shapes and selection tools — so you can mix freeform sketches with structured diagrams. -
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Alfresco Community Edition
Open Source Enterprise Content Management ECM
The open source Enterprise Content Management (ECM) software that handles any type of content, allowing users to easily share and collaborate on content. -
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TagSpaces
TagSpaces is an offline, open source, document manager with tagging
TagSpaces is a free, no vendor lock-in, open source application for organizing, annotating and managing local files with the help of tags. It features advanced note taking functionalities and some capabilities of to-do apps. The application is available for Windows, Linux, Mac OS and Android. We provide a web clipper extension for Firefox, Edge and Chrome for easy collecting of online content in the form of local files. File and folder management - TagSpaces provides a convenient user interface for browsing, viewing and man files and folders. The application supports two ways for tagging files. The default one embeds the tags directly in the name of the file, the other one uses a so called sidecar files for persisting the tags. The search functionality supports fuzzy functionality and can filter your locations for files and folders containing one or more tags. -
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memos
An open-source, self-hosted memo hub with knowledge management
A lightweight, self-hosted memo hub. Open Source and Free forever. memos provides the privacy security and reliability that innovators need in their moments of inspiration. Keep your own data by yourself. All data generated at runtime is saved in the SQLite database file. All content will be saved as plain text, not HTML. And lots of useful markdown syntaxes are supported. Using Go + React.js + SQLite architecture, the overall package is very lightweight. You can customize the server name, icon, description, custom system style and execution script, etc. memos believes that open source is the future, and all code is already open source in GitHub. All features are free forever and will never be charged in any form or content. -
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Trilium Notes
Build your personal knowledge base
Trilium is provided as either desktop application (Linux and Windows) or web application hosted on your server (Linux). Mac OS desktop build is available, but it is unsupported. Synchronization with self-hosted sync server, strong note encryption with per-note granularity, relation maps and link maps for visualizing notes and their relations, and scripting, see Advanced showcases. Scales well in both usability and performance upwards of 100 000 notes, touch optimized mobile frontend for smartphones and tablets, night theme, evernote and Markdown import & export, as well as web clipper for easy saving of web content. If you want to use Trilium on the desktop, download binary release for your platform from latest release, unzip the package and run trilium executable. Install the application on both a server, for web access and data synchronization, and desktop instance(s). This allows all the data to be stored on the server. -
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Notes
Note taking application, write down your thoughts.
Notes is an open source, cross-platform note-taking application. Write down your thoughts with ease, and always have them with you with this simple, streamlined app. -
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Awesome Mac
Collect premium software in various categories
Now we have become very big and different from the original idea. Here we collect awesome macOS software in various categories. Feel free to star and fork. Reading and writing tools, text editors, office, markdown tools, note-taking, journaling. Ebooks, RSS, developer tools, IDEs, developer utilities, etc. Regular expression editors, API development and analysis, network analysis, command line tools, frameworks for hybrid applications, version control. Virtualization, databases, design and product, design tools, prototyping and mind-mapping tools, screen capturing software, etc. Major software download sites, there are a number of OSX Mac software sites. This project exists thanks to all the people who contribute. -
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sigma-file-manager
"Sigma File Manager" is a free, open-source, quickly evolving app
"Sigma File Manager" is a free, open-source, quickly evolving, modern file manager (explorer/finder) app for Windows and Linux. Designed, developed, and maintained by Aleksey Hoffman | Twitter | Reddit. Create the best existing intelligent file manager & productivity app that will significantly speed up your workflow, provide you with advanced tools, and keep your data safe. Find any file/directory on your computer in just a few seconds. It also implements a typo correction system, allowing you to find files even when the search query includes typos, wrong case, wrong word order, missing words, missing symbols, and missing file extension. Create separate workspaces with their own tabs and pre-defined actions, allowing you to quickly switch between them. Actions can perform different operations, e.g. open a website, run a script, open a file in a specific program, etc. -
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Better Notes for Zotero
Everything about note management
Better Notes is a Zotero plugin that expands the application into a connected note-taking and knowledge management workspace. It supports linked notes so researchers can connect ideas, sources, and annotations across their libraries. A template system can automate literature notes, metadata analysis, summaries, and repeatable research workflows. Notes can synchronize bidirectionally with Markdown files and export to Markdown, DOCX, PDF, or mind map formats. Editor enhancements add outlines, relationship views, image tools, and multiple note tabs or windows. Optional AI integrations can assist with writing while keeping the surrounding workflow inside Zotero. The plugin is designed to work immediately while remaining highly customizable through templates and APIs. -
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FitTrackee
Self-hosted outdoor activity tracker
FitTrackee is a self-hostable fitness tracking and workout management platform designed to help individuals and small groups monitor physical activity, set goals, and review performance over time with clarity and flexibility. It provides an organized environment for logging workouts, recording metrics like sets, reps, durations, and weights, and visualizing progress through charts and summaries that detail trends in strength, endurance, and consistency. Instead of locking users into proprietary ecosystems or paid plans, FitTrackee lets you keep your own data on your server, giving full control over privacy and longevity of your fitness history. The interface is designed to be flexible enough for everyday gym routines, home workouts, and personalized training plans, supporting a variety of exercise types and custom attributes for different training styles. -
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Shlink
The definitive self-hosted URL shortener
Shlink is an open-source URL shortener and link management tool. It provides features for creating short, trackable URLs with detailed analytics on click statistics. Shlink is self-hosted, giving users control over their shortened links and data privacy. It supports custom domains, QR code generation, and integration with third-party services for advanced tracking and management. -
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Makagiga
To-do manager, notepad, RSS reader...
Makagiga is an open-source, easy-to-use, portable application for doing a variety of tasks, such as todo listing, text editing, or RSS reading. Plugins are used to implement its various capabilities. -
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UVdesk Open Source
Build and make a full ticketing support system
Uvdesk community helpdesk project skeleton packaged along with the bare essential utilities and tools to build and customize your own helpdesk solutions. Build on top of Symfony and backbone.js, UVdesk community is a service-oriented, event-driven extensible open-source helpdesk system that can be used by your organization to provide efficient support to your clients effortlessly whichever way you imagine. At the heart of the helpdesk system, the core framework consists of all the necessary APIs required by your project and dependent packages to keep things running smoothly. Integrate multiple marketplaces with UVdesk to support your valuable customer. Bridge the gap between eCommerce store and customer to respond faster. Design your website front office forms at your convenience. Configure multiple email service providers with one platform to provide all-around support. -
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notion-enhancer
Enhancer/customiser for the all-in-one productivity workspace Notion
An enhancer/customizer for the all-in-one productivity workspace notion.so. In-app tabs, color themes, extra sidebar features, right-to-left text, database customization, icon upload history, and more.
