GEOS provides a spatial object model and fundamental geometric functions. It implements the geometry model defined in the OpenGIS Consortium Simple Features Specification for SQL. Functions provided include:

libdecor is a library that can help Wayland clients draw window decorations for them. It aims to provide multiple backends that implements the decoration drawing.

Goby is a next-gen data management framework designed to facilitate the implementation of efficient data analysis pipelines.

libdecor is a library that can help Wayland clients draw window decorations for them. It aims to provide multiple backends that implements the decoration drawing.

Vala is a new programming language that aims to bring modern programming language features to GNOME developers without imposing any additional runtime requirements and without using a different ABI compared to applications and libraries written in C.

Valadoc is a documentation generator for generating API documentation in HTML format from Vala source code. It can be used for *.vala and *.vapi files.