Open Source Windows Productivity Software
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Productivity Software for Windows
View 551 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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OmniGet
Udemy & Hotmart course downloader, YouTube downloader
OmniGet is a cross-platform desktop application that combines media downloading, course archiving, study tools, and AI coding agents in one interface. It uses yt-dlp and native extractors to download content from more than 1,800 sites, including YouTube, Instagram, TikTok, X, Udemy, and Hotmart. Downloaded material can be played, converted, transcribed, organized, and studied locally. Its AI workspace runs Claude Code, Codex, Gemini CLI, Ollama, and compatible ACP agents with permissions, undo, delegation, jobs, and repeatable loops. A large built-in toolbox covers media, files, system utilities, OCR, conversion, and other workflows. Plugins add course study, Telegram access, media conversion, notes, flashcards, and related features. OmniGet is free, open source, and available for Windows, macOS, and Linux. -
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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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5
A simple notepad-like text editor with many features. It is designed to be a small and fast.
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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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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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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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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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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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Notesnook
A fully open source & end-to-end encrypted note taking alternative
Notesnook makes it impossible for anyone to spy on your notes. Unlike Evernote and other note taking apps, your data is private, not open for everyone to see. Ditch other note taking apps that don't care about your data privacy. With app lock and private notes vault, your personal diary & journal are always safe. Worried that your friend will read your private notes? Notesnook fixes that by having an app lock built-in. Use a pin or biometrics to protect your notes. Protect your online journal or personal diary with an extra layer of security. Your notes vault is a super secure way to store your passwords, credentials & other secrets. Free or Pro, you get the same level of privacy. Making privacy a paid feature means only the privileged few deserve it but privacy is your right. And rights don't have a price tag, or do they? To verify that your notes are actually encrypted (and we aren't just lying), you can use our open source tool, Vericrypt. -
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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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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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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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Macro
Macro is a unified interface for email, messages, tasks, calls, agents
Macro is an open-source all-in-one workspace that combines email, messages, docs, tasks, calls, agents, pull requests, files, and CRM into one connected interface. It is designed around shared team memory, so information across the workspace can be linked, queried, and used by people or AI agents without losing context. The product emphasizes keyboard-first speed, unified communication, and a single inbox for emails, mentions, tasks, channel updates, and agent responses. Its docs system is collaborative, markdown-native, version-controlled, and built for real-time work. Macro also includes calls with transcription, file storage, pull request linking, contact management, and channel-based permissions. It is especially useful for teams that want their communication, operations, engineering work, and AI agents to share the same context layer. -
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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. -
19
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. -
20
Serene Pub
Clean and intuitive LLM roleplay client
Serene Pub is an open-source AI chat application focused on immersive roleplay and creative storytelling experiences. It is designed to provide a clean, intuitive interface that allows users to create and interact with characters, worlds, and narratives using large language models. The platform supports multiple AI providers, including local and cloud-based models, giving users flexibility in how they run their conversations. It includes advanced features such as character and persona management, lorebooks for world-building, and group chat capabilities for multi-character interactions. The system is built with privacy in mind, offering local deployment without requiring accounts or cloud dependencies. It also supports real-time synchronization across devices, enabling users to continue conversations seamlessly. Overall, Serene Pub is a specialized AI chat platform that emphasizes creativity, storytelling, and user control. -
21
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. -
22
wger
Self hosted FLOSS fitness/workout, nutrition and weight tracker
wger Workout Manager is a free and open web application that manages your exercises, routines and nutrition. It started out as a personal project to replace my growing collection of spreadsheets but has turned into something that other people may find useful. You can create and manage flexible training routines for whatever goals you have. Select exactly what exercises you are going to do and how many repetitions, time or distance you want to do. You can also combine different workouts in the same program. Create your personal diet plan by creating as many meals with as many different ingredients as you need. The application will calculate the nutritional values (total energy, proteins, carbohydrates, etc.) of the entire plan and of each of the meals. Enter the weights and reps you've done for each exercise to generate diagrams that let you see at a glance how well you're doing. Of course, the raw numbers are still accessible. -
23
pg-boss
Queueing jobs in Postgres from Node.js like a boss
pg-boss is a job queue manager for Node.js applications that leverages PostgreSQL to handle job scheduling, processing, and persistence. -
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tangent
Self-hosted Notes/To-Do App with voice transcription
https://github.com/GyratingSeaCow/tangent - Go here for docker install instruc. A notes app for the people, forever, for free on your own hardware synced up! Tangent is a self-hosted voice brain-dump app. You hit record, dump whatever's in your head, and a Dockerized home server running Whisper on your own GPU transcribes it automatically. Your audio, transcripts, and notes never leave hardware you own — no cloud, no third party, no subscription. Features: Three capture modes — Brain Dump (verbatim voice memo), Meeting (speaker-aware transcript + meeting notes), Text Note (typed, no audio). Notebooks — a genuine ink surface: handwriting with pen styles, lasso selection, undo/redo, typed blocks and embedded recording cards on one scrolling page, and PDF export. Handwriting search — search all your notebooks in a flash Ask My Notes — questions grounded in your recordings, summaries, notebooks, and to-dos, with actionable items produced from 2 second voice note -
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LoLLMs Hub Fortress
A proxy server for multiple ollama instances with Key security
LoLLMs Hub Fortress is a high-performance AI orchestration platform designed to unify multiple large language model backends into a single, secure, and scalable API layer. It acts as a central gateway that connects different inference engines such as Ollama, llama.cpp, vLLM, and OpenAI-compatible services, allowing them to function as interchangeable compute nodes within one system. The architecture is built around a hierarchical “master and slave” hub model, enabling distributed deployments where multiple machines or clusters can be managed through a single entry point. This design allows organizations to scale horizontally, combining local hardware, cloud resources, and specialized inference servers into a unified infrastructure. LoLLMs Hub also introduces intelligent routing mechanisms that automatically select the most appropriate model based on rules such as priority, load balancing, or availability, improving efficiency and reliability.
