The Gene Ontology project provides a controlled vocabulary to
describe gene and gene product attributes in any organism.
The RNA Ontology project provides a
controlled vocabulary to describe RNA structure and alignment.
Biosapiens is providing a set of terms with which to annotate polypeptide
sequence, for structural data. A subset of these terms are also in SO.
The OBO Foundry is a collaborative experiment involving
developers of science-based ontologies who are establishing a
set of principles for ontology development with the goal of
creating a suite of orthogonal interoperable reference
ontologies in the biomedical domain.
GMOD is a collection of open source software tools for creating
and managing genome-scale biological databases.