Description: GnuPlot is a free, open-source graphing utility that can produce publication-quality 2D and 3D plots. It supports various plot types like line, scatter, histogram, boxplot, and contour plots. GnuPlot can also fit and manipulate data.
Type: software
Pricing: Open Source
Description: Kaywa QR Code is a free online service that generates QR codes. It allows users to easily create QR codes that link to URLs, text, phone numbers, SMS messages, contacts, emails, locations, WiFi networks, and calendar events. The generated QR codes can be downloaded as image files.
Type: software
Pricing: Freemium