You can purchase Winrar, but there is also the free 7-zip. A free file archiver with the highest compression ratio. The program supports 7z, ZIP, RAR, CAB, ARJ, LZH, CHM, CPIO, RPM, DEB, GZIP, BZIP2, Z and TAR formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format. Also 7-Zip compresses to ZIP 2-10% better than PKZip and WinZip. 7-Zip has additional powerful command line version and FAR Manager support.
 

Here is the free AppCleaner! UpdateStar AppCleaner is engineered to streamline your computer's efficiency by removing unwanted programs, files, and remnants that clog your system. Its intuitive design is geared towards both novice and advanced users, offering a user-friendly interface that simplifies the cleaning process. With just a few clicks, users can liberate valuable disk space, enhancing their computer's speed and performance.

You can purchase Adobe Premiere, but there is also the free VirtualDub. VirtualDub, developed by Avery Lee, is a powerful video editing software that has been trusted by users for many years. This software is known for its efficiency and versatility when it comes to editing videos. Whether you are a professional video editor or a beginner looking to enhance your videos, VirtualDub has the tools you need to achieve your desired results.
 

You can purchase ACDSee Photo Manager, but there is also the free IrfanView. IrfanView is a very fast, small, compact and innovative freeware (for non-commercial use) graphic viewer for Windows. It is trying to be simple for beginners and powerful for professionals. IrfanView is always trying to create new and/or interesting features in its own way.
 

You can purchase Kaspersky Antivirus, but there is also the free Avast Free Antivirus. avast Free Antivirus is a popular antivirus software that offers essential protection for your computer against various online threats. With a user-friendly interface and a wide range of features, avast! Free Antivirus is a top choice for many users looking to secure their devices.
 

You can purchase Nero, but there is also the free Deepburner. DeepBurner is an advanced and extremely powerful CD and DVD burning package that comes absolutely for FREE. It removes the hassle of making CDs, DVDs, and autoruns. It even makes it easy for you to create and print your own labels and booklets. DeepBurner supports a very wide range of internal and external (USB 2.0 and FireWire) CD and DVD writers. Burn any data, copy any disc, make backups, make ISO CDs with this very easy to handle software!
 

You can purchase PowerDVD, but there is also the free VLC media player. VLC media player is a free and open-source cross-platform multimedia player created by the VideoLAN project. It is widely known for its versatility, as it can play almost any type of multimedia file, including DVDs, audio CDs, and streaming protocols.
 

You can purchase Microsoft Office, but there is also the free LibreOffice. LibreOffice, developed by The Document Foundation, is a free and open-source office suite that offers a range of productivity tools for creating and editing documents, spreadsheets, presentations, and more. Designed as an alternative to commercial office suites, LibreOffice provides users with a comprehensive set of features for word processing, data analysis, graphic design, and collaborative work.
 

You can purchase Adobe Photoshop, but there is also the free Paint.net. Paint.NET is free image and photo editing software for computers that run Windows. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. An active and growing online community provides friendly help, tutorials, and plugins.
 

There is also the free Audacity. A fast multi-track audio editor and recorder for Linux, BSD, Mac OS, and Windows. Supports WAV, AIFF, Ogg, and MP3 formats. Features include envelope editing, mixing, built-in effects and plug-ins, all with unlimited undo.
 

You can purchase VMware Workstation, but there is also the free Virtual Box.
VirtualBox is a general-purpose full virtualizer for hardware. Targeted at server, desktop and embedded use, VirtualBox is now the only professional-quality virtualization solution that is also Open Source.