ATCalc

Customizable scientific and graphic calculator

SpeedCrunch

Mathematical calculations within everyone's grasp

Khi3

Complete scientific calculator with plenty of options

OpalCalc

Multiline calculator that integrates natural language

Moffsoft FreeCalc

Useful calculator similar to that of Windows

Asynx Planetarium

The Universe from your computer

Virtual Moon Atlas

Complete and appealing virtual atlas of the Moon

Sky Charts

Hundreds of star charts in a single program

Scalextric Track Length Calculator

Measure the length of your slot tracks

Calculator

Carry out the fastest maths calculations

Asteroid Data Hunter

Become the best asteroid hunter

Abacux

Calculus program developed for chemists, physicists and architects

PowerToy Calc

A much more complete version of the Windows Calculator

Versaverter

Easily convert measurement units

Celestia

Travel around the Universe from your PC

English-Spanish Interpreter

Offline English Spanish translator for your PC

Astrill VPN

Browse with a VPN and protect your privacy

OpenVPN

An open-source VPN

PureVPN

VPN service for Windows

TunnelBear

Browse the Internet with absolute freedom

ExpressVPN

Add the VPN service's extension to your browser

VPN Gate Client

Free and open-source VPN service

NordVPN

The best VPN to browse safely and privately

Surfshark

Make the Internet a safer place with more freedom

ZenMate

Browse safely and avoid restrictions

Avast SecureLine VPN

Protect your privacy when browsing the Internet

Vpn One Click

Connect to the Internet anonymously

Betternet

Free VPN to browse the Internet

AVG Secure VPN

Keep your online activities protected

Cyberghost VPN

Hide your Internet practices behind a VPN

VyprVPN

Browse safely with a VPN