The software below is european based, and preferably developed in a European environment.
LibreOffice is a free and powerful office suite, and a successor to OpenOffice.org (commonly known as OpenOffice). Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity.
It is developed by the Document Foundation, which is based in Berlin.
Gimp is a free and open source image editor. It is used to edit images, create new ones, and edit them in various ways. Code-wise most of project contributions come from Europe where the current GIMP maintainers live.
ASReview is a tool used to aid screening of text records. Based on active learning in combination with machine learning techniques, it is often used in systematic reviews, reducing screening time by up to 96%.
ASReview is open source research software developed by researchers at Utrecht University, in the Netherlands.