Windows Softwares to Open Source

Discover Windows Softwares to Open Source.

Distributed under the LGPL license, allowing for free use, modification, and distribution.

Best Windows Softwares to Open Source

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Electrum

Electrum

Bitcoin & Cryptocurrency Desktop Application
Electrum is a free and open-source Bitcoin wallet renowned for its speed, low resource usage, and strong security features. It runs on various operating systems and supports hardware wallets for enhanced protection.
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Open Source
High level of security with client-side private keys and har...
Icaros

Icaros

Utility
Icaros is a versatile Windows Shell Extension designed to dramatically improve thumbnail previews for video files within File Explorer. It provides support for a wide array of formats, significantly enhancing user experience.
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Free
Provides thumbnails for almost all video formats
Terasology

Terasology

Games Desktop Application
Terasology is an open-source, voxel-based sandbox game inspired by similar titles but with a strong focus on modularity, extensibility, and community-driven content. It offers a rich and evolving world for exploration, crafting, and construction.
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Open Source
Highly modular and extensible allowing for vast customizatio...
Brimir

Brimir

Business & Commerce Web Application
Brimir is an open-source, self-hosted helpdesk ticketing system designed to streamline customer support operations. It provides a centralized platform for managing customer inquiries, tracking support tickets, and collaborating with team members. Brimir aims to be a flexible and customizable solution for businesses of all sizes.
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Open Source
Self-hostable for data control and privacy.
Virtual Router Plus

Virtual Router Plus

Network & Admin Network Utility
Virtual Router Plus transforms your Windows computer into a wireless hotspot, enabling you to share your internet connection with other devices like smartphones, tablets, and laptops wirelessly. It's a free and portable solution for creating a virtual Wi-Fi network.
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Open Source
Free to use with no licensing costs.
Apple Lossless

Apple Lossless

Audio & Music Audio Playback
Apple Lossless Audio Codec (ALAC) is an audio coding format developed by Apple that provides lossless compression of digital audio. It's designed to reduce file size without sacrificing audio quality, offering a high-fidelity listening experience.
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Open Source
Perfect preservation of original audio quality.
Alien Arena

Alien Arena

Games Game
Alien Arena is a fast-paced, free-to-play deathmatch style first-person shooter set in a futuristic, science-fiction universe. It emphasizes classic arena combat with a variety of weapons, maps, and game modes, offering both online multiplayer and single-player bot matches for intense action.
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Open Source
Free to play and open source.
Gitter

Gitter

Office & Productivity Web Application
Gitter is a free and open-source instant messaging and chat service designed specifically for developers and users of GitHub projects. It provides real-time communication within the context of software development teams and communities.
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Freemium
Excellent integration with GitHub.
QuteCom

QuteCom

Social & Communications VoIP Client
QuteCom, formerly WengoPhone, was a free and open-source VoIP client supporting the SIP protocol. It enabled users to make voice and video calls, send instant messages, and connect with contacts across various networks, including Google Talk.
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Open Source
Free and Open Source
Window Detective

Window Detective

Development Developer Tool
Window Detective is a powerful open-source developer tool that allows users to inspect, analyze, and modify properties of windows belonging to any running application. It provides in-depth information about window handles, classes, styles, and relationships, making it an essential utility for debugging and understanding the Windows GUI structure.
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Open Source
Provides deep inspection of window properties.
Bit Chat

Bit Chat

File Sharing Instant Messaging
Bit Chat is a secure, open-source, peer-to-peer instant messenger platform that prioritizes user privacy and security through robust end-to-end encryption and a decentralized network architecture. It empowers users with direct, encrypted communication, bypassing central servers and enhancing resistance to surveillance and censorship.
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Open Source
True peer-to-peer architecture enhances privacy and resilien...
Kadu

Kadu

Social & Communications Desktop Application
Kadu is a free, open-source, multi-platform instant messaging client supporting Gadu-Gadu, XMPP, and related services like Google Talk, providing users with a versatile and extensible communication tool.
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Open Source
Supports multiple IM protocols (Gadu-Gadu and XMPP) in one c...
Sentrifugo HRMS

Sentrifugo HRMS

Business & Commerce Web Application
Sentrifugo HRMS is an open-source Human Resources Management System designed to streamline various HR functions. It offers a comprehensive suite of modules including employee management, attendance and time tracking, performance reviews, expense and asset handling, and powerful HR analytics. This on-premises solution provides businesses with a robust and flexible platform to manage their workforce effectively.
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Open Source
Comprehensive suite of core HR modules.
PWGen (Password Generator)

PWGen (Password Generator)

Security & Privacy Security Utility
PWGen is a robust and open-source random password generator designed for strong cryptographic security. It leverages user input and system parameters to generate highly unpredictable passwords, essential for safeguarding your online identity and sensitive information. This utility focuses purely on creating secure passwords without storing or managing them.
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Open Source
Generates highly secure and random passwords.
xchm

xchm

Office & Productivity Document Viewer
xCHM is a free and open-source cross-platform GUI application designed for viewing compiled HTML Help (CHM) files. It acts as a front-end to the CHMLIB library, providing a user-friendly interface to navigate and read the content within these archive files, commonly used for software documentation and ebooks.
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Open Source
Effectively views CHM files with accurate rendering.
FreeDOS

FreeDOS

OS & Utilities Operating System
FreeDOS is a free and open-source operating system providing a complete MS-DOS compatible environment for running classic software, playing retro games, and supporting embedded systems on IBM PC compatible computers.
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Open Source
High compatibility with classic DOS software and games.
OpenRA

OpenRA

Games Game Engine
OpenRA is a free and open-source real-time strategy game engine that breathes new life into classic Westwood Studios titles like Command & Conquer and Red Alert. It allows players to experience these beloved games with modern enhancements and features.
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Open Source
Modernizes classic RTS gameplay with quality-of-life feature...
Librevault

Librevault

Backup & Sync File Synchronization Tool
Librevault is an open-source, zero-knowledge peer-to-peer file synchronization tool emphasizing privacy and security. It allows users to sync files directly between their devices without reliance on a central cloud server, ensuring data remains under user control and is protected by end-to-end encryption.
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Open Source
Strong emphasis on user privacy and data control.
Apertium

Apertium

Education & Reference Machine Translation Software
Apertium is a free, open-source machine translation platform utilizing rule-based methods. It provides versatile translation capabilities, including online translation, browser integration, and potential for localized content.
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Open Source
High translation quality for supported language pairs.
Shadowsocks

Shadowsocks

Development Proxy Software
Shadowsocks is an open-source, lightweight SOCKS5 proxy designed to bypass internet censorship. It provides a secure tunnel between your device and the internet, helping users access blocked content and surf anonymously by encrypting traffic and making it appear as regular HTTPS traffic.
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Open Source
Effective at bypassing sophisticated firewalls like the GFW.
Polr

Polr

Development Web Application
Polr is an open-source, modern, and minimalist URL shortening platform designed for simplicity and ease of use. It allows individuals and organizations to quickly create custom, branded short links with built-in statistics and the option for custom domains. Ideal for personal use, small businesses, or developers looking for a lightweight self-hosted solution.
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Open Source
Open source and free to use
Litecoin

Litecoin

Business & Commerce Cryptocurrency Wallet
Litecoin (LTC) is a prominent peer-to-peer digital currency designed for rapid, low-cost transactions worldwide. As an open-source cryptocurrency, it provides a decentralized alternative to traditional financial systems, leveraging blockchain technology for secure and transparent operations.
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Open Source
Faster transaction times than Bitcoin.
DiskCryptor

DiskCryptor

Security & Privacy Disk Encryption Utility
DiskCryptor was a free and open-source full disk encryption solution for Windows, offering robust data protection through strong cryptographic algorithms like AES, Twofish, and Serpent. It provided encryption for entire partitions or disks, including the system drive.
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Open Source
Provided strong, open-source full disk encryption.
Tesseract

Tesseract

Office & Productivity Command-Line Utility
Tesseract is a powerful, open-source optical character recognition (OCR) engine. Originally developed by Hewlett-Packard and now maintained by Google and the community, it can read various image formats and convert them into text.
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Open Source
Free and open source
PhoneGap

PhoneGap

Development Mobile Application Development
PhoneGap, powered by Apache Cordova, is a popular open-source mobile development framework enabling developers to build cross-platform mobile applications using standard web technologies like HTML, CSS, and JavaScript.
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Open Source
Lower development cost and time.
Angry IP Scanner

Angry IP Scanner

Network & Admin Network Scanner
Angry IP Scanner is a free, open-source network scanner designed for speed and simplicity. It quickly scans IP addresses and ports across any range, making it an essential tool for network administrators and users needing to discover devices on their network.
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Open Source
Extremely fast scanning speed due to multi-threading.
Butter Project

Butter Project

File Sharing Desktop Application
Butter Project is a discontinued open-source application suite designed for streaming video content over the BitTorrent protocol. It allowed users to watch movies and videos directly from torrents without needing to download the entire file, leveraging peer-to-peer technology for media consumption.
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Open Source
Allows quick starting of video playback from torrent files.
JabRef

JabRef

Education & Reference Desktop Application
JabRef is a free and open-source reference management software, primarily designed for LaTeX users, utilizing BibTeX and BibLaTeX formats for efficient organization and citation of academic references and documents.
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Open Source
Excellent integration with LaTeX via BibTeX/BibLaTeX.
YaCy

YaCy

Development Search Engine
YaCy is a free, decentralized search engine powered by a global network of peer-to-peer users. It offers a privacy-focused alternative to traditional search engines, ensuring no tracking and complete user control over their search experience and data.
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Open Source
Superior privacy with no tracking or data collection.
Ind.ie Pulse

Ind.ie Pulse

Backup & Sync Desktop Application
Pulse is a free and secure decentralized file synchronization engine developed by Ind.ie. Designed with privacy and control in mind, it allows users to synchronize files and folders directly between devices without relying on central servers, promoting data ownership and resilience. While discontinued, it represents an important effort towards decentralized file management.
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Open Source
Strong emphasis on data privacy and user control
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