Description: InVision is a web-based prototyping and collaboration tool used by designers and developers to create interactive prototypes and get feedback on designs. It allows rapid prototyping without coding and easy collaboration across teams.
Type: software
Description: PDFtk is an open-source command-line tool for working with PDF documents. It enables users to merge, split, rotate, encrypt and decrypt PDF files. PDFtk is lightweight, fast and cross-platform.
Type: software
Pricing: Open Source