Software

CrystalDiskMark

How fast is your SSD, hard drive or USB stick really? CrystalDiskMark measures sequential and random read and write speeds. Editions, modes and cautions.

Open source

• Windows

Version 9.0.3

ESET Online Scanner

ESET Online Scanner checks a Windows PC for malware once, alongside the antivirus you already use. Where to download it, how a scan works and what it skips.

Free

• Windows

Shutter Encoder

Shutter Encoder puts FFmpeg behind a clear interface: convert, compress, cut without re-encoding and add subtitles. Downloads for Windows, Mac and Linux.

Open source

• Windows
• macOS
• Linux

Version 20.4

TechPowerUp GPU-Z

See your exact GPU model, clocks, memory and live sensor readings without installing anything. Works with NVIDIA, AMD and Intel graphics; Download here.

Free

• Windows

Microsoft Safety Scanner

Suspect an infection? Microsoft Safety Scanner runs a one-off malware scan on Windows without installing anything. How to run it and why it expires.

Free

• Windows

fre:ac

Rip audio CDs and convert MP3, FLAC, AAC, Opus or WAV with fre:ac, a free open-source converter. Installer, portable ZIP and the platforms it runs on.

Open source

• Windows
• macOS
• Linux

Version 1.1.7

Display Driver Uninstaller (DDU)

Remove every trace of an NVIDIA, AMD or Intel graphics driver when a normal uninstall fails. Safe Mode advice, backup tips and the clean options explained.

Free

• Windows

ClamWin Free Antivirus

Prefer open-source tools? ClamWin brings the ClamAV engine to Windows with scheduled scans and Explorer integration. Know its limits before you install.

Open source

• Windows

Version 0.103.2.1

Pandoc

Write once in Markdown and export to Word, HTML, LaTeX or PDF. How to install Pandoc on Windows, macOS or Linux and run your first conversion.

Open source

• Windows
• macOS
• Linux

Version 3.13

Snappy Driver Installer Origin

Install drivers on a PC with no internet connection, straight from a USB stick. A free open-source tool with downloadable driver packs; Download guide.

Open source

• Windows

Version 2.0.6

Avira Free Security

Avira Free Security bundles a virus scanner, software updater, password manager and a small monthly VPN allowance. Install steps for Windows and Mac.

Freemium

• Windows
• macOS
• Android
• iOS

Calibre

Calibre keeps your e-book library tidy, converts between formats and sends books to your reader. Which version fits your Windows or Mac, and how to start.

Open source

• Windows
• macOS
• Linux

Version 9.17.0