Author: osit
https://www.zdnet.fr/blogs/l-esprit-libre/github-publie-son-rapport-annuel-l-open-source-en-forme-39893633.htm
Apache OpenOffice Draw gives you the tools to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a powerful tool for technical or general posters, etc.
Split, merge, rotate, mix and extract pages from PDF files with PDFsam Basic, free and open source. A paid advanced version exists.
Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, brochures, posters and many other documents. Draw lets you manipulate graphical objects, group them, crop them, use objects in 3D and much more.