Open Source Windows Software

Open-source browser with Gecko engine, supporting HTML add-ons and providing privacy features like Enhanced Tracking Protection and third-party cookie blocking.

Cross-platform, free media player supports multimedia files, DVDs, streaming, offers hardware acceleration, 4K, lossless audio, and more.

Free and open-source office suite with advanced word processing, spreadsheets, presentations, vector graphics, math formula editor, and database tools.

Efficient file archiver offering superior compression and encryption. Supports multiple formats such as TAR, ZIP, with a unique self-extracting feature.

Free open-source suite with advanced photo retouching, composition, batch processing, plugin extensibility, custom scripting, and wide file format compatibility.

Free open-source code editor and Notepad replacement supporting multiple languages, featuring high speed, low resource usage, privacy focus, and plugin extensibility.

Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc.

Open-source, ad-free torrent client offering a polished user interface, integrated multi-site search, RSS support, remote web control, and cross-platform availability.

Privacy-centric, open-source browser with unique UI features like vertical tabs, Split View, and Zen Glance, focusing on security and tranquility.

An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.

Free open-source tool offers secure, end-to-end encrypted file and message sharing over local networks across major desktop and mobile operating systems.

An open-source multithreaded video transcoder, HandBrake compresses and converts digital media, supporting MP4, MKV formats, and offers hardware-accelerated conversion.

Open source virtualization tool supporting x86/AMD64, runs on Windows, Linux, Mac, Solaris. Offers portable, lightweight, ad-free use.

Open source vector graphics editor supporting SVG with features like custom brushes, pressure sensitivity, and layer management across multiple platforms.

Fast, secure browser with built-in ad block, privacy controls, and global tracking protections. Optimizes data, speed, and battery life.

Free open-source multi-track audio editor and recorder with 32-bit float processing. Supports many formats and plugins for Windows, macOS, Linux.

Formats USB drives to various file systems and creates bootable USBs from ISOs. Supports MS-DOS/FreeDOS bootable sticks and offers BIOS or UEFI options.

A free, open-source painting program for professional artists offering customizable UI, 9 brush engines, layer support, and color management.

Free open-source 3D software for modeling, texturing, rigging, animation, rendering, compositing, video editing, and simulation.

Free e-book manager offering library management, multi-format conversion, syncing to devices, news download as e-books, built-in viewer, editor, and privacy.

Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.

A free, open-source viewer for Windows, supports PDFs, eBooks, Comics, with a simple, fast, and portable design prioritized for ease of use.

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

Comprehensive software providing screen recording and live streaming on Mac, Windows, and Linux with powerful encoding support and unlimited scenes.