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: RateHouse is a free online invoicing and time tracking software designed for freelancers and small business owners. It allows users to create professional invoices, track billable hours, expenses and payments and get paid online.
Type: software