Open source and free applications for computers

Immunet FREE Antivirus is the lightest anti-virus application, providing the fast protection against new viruses, because it protects through the cloud using the ClamAV engine. Install/Hardisk-Filesize: 5/10 MB.

This efficient browser add-on blocks ads, trackers, and malware by default employing various filter lists, acting as a comprehensive wide-spectrum blocker.

Multi-platform clipboard tool monitoring and saving text, images, and custom formats, with tabs, search, shortcuts, scripting, and customization for efficiency.

Open-source browser project forming the codebase for other browsers, with strong security, stability, frequent updates, and wide platform compatibility.

Firefox Developer Edition brings you latest features, fast performance, and the development tools you need to build for the open web. Its powerful development tools will extend your ability to work across multiple platforms from one place.

The qBittorrent project aims to provide an open-source software alternative to µTorrent. Additionally, qBittorrent runs and provides the same features on all major platforms (FreeBSD, Linux, macOS, OS/2, Windows). qBittorrent is based on the Qt toolkit and libtorrent-rasterbar library.

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

Open-source suite for editing documents, spreadsheets, presentations, forms, and PDF files with co-editing modes, plugin support, AI assistant, and integration across 40+ platforms.

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