Windows essentials

A free and open source web browser descended from the Mozilla Application Suite. Firefox is highly extensible, with thousands of third-party add-ons available.

Firefox version 60+ (Quantum) is presently faster than Google Chrome and use less memory than Chrome. Compare to previous versions of Firefox, the Quantum version is twice as fast, promote parallelism, and has more intuitive user interface.

VLC is a free and open source cross-platform multimedia player and framework. Owned by the non-profit organization VideoLAN.

Hardware diagnostic software for Windows that provides real-time monitoring for temperature and more.

Sumatra PDF is a slim, free, open-source PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI/FB2 viewer for Windows.
Why another PDF reader?

Sumatra has a minimalistic design. Simplicity has a higher priority than a lot of features.

Its small and starts up very fast.

Its designed for portable use: its just one file with no external dependencies so you can easily run it from external USB drive.

SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list of features, including:
Unlimited Variables,
Syntax Highlighting,
Functions, with 'Automagic' Completion,
50 Decimal Precision,
Input History
and more...

A free and open source password manager that keeps all of your passwords safe in one place.

InfraRecorder is a free CD/DVD burning solution for Microsoft Windows. It offers a wide range of powerful features; all through an easy to use application interface and Windows Explorer integration.

Really nice when place retention works, unfortunately it does not do this on every machine

LibreOffice is a powerful office suite – its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity.

foobar2000 is an advanced freeware audio player for the Windows platform.

Main features

Supported audio formats: MP3, MP4, AAC, CD Audio, WMA, Vorbis, Opus, FLAC, WavPack, WAV, AIFF, Musepack, Speex, AU, SND... and more with additional components.
Gapless playback.
Easily customizable user interface layout.
Advanced tagging capabilities.
Support for ripping Audio CDs as well as transcoding all supported audio formats using the Converter component.
Full ReplayGain support.
Customizable keyboard shortcuts.
Open component architecture allowing third-party developers to extend functionality of the player.