Source ontology files for the Gene Ontology

Ontology Access Kit: A python library and command line application for working with ontologies

An ontology of gross anatomy covering metazoa. Works in concert with https://github.com/obophenotype/cell-ontology

Basic and Advanced OBO Graphs: specification and reference implementation

Material for GO OWL/Protege Tutorial

A collection of metadata, tools, and files associated with the Gene Ontology public web presence.

Graph-based modeling environment for biology, including prototype editor and services

This repository hosts the tracker for issues pertaining to GO annotations.

Bayesian OWL ontology merging

AmiGO is the public interface for the Gene Ontology.

Molecular Signatures Database (MSigDB) in a tidy data frame

Gene Set Clustering based on Functional annotation

The Gene Ontology Helpdesk

Announcements related to ontology changes that may impact groups using GO, such as obsoletions, merges, etc.

Granular Functional Filtering (Gruffi) to isolate stressed cells

Code for converting between BioPAX pathways and Gene Ontology Causal Activity Models (GO-CAM)

This is the data repository for the models created and edited with the Noctua tool stack for GO.

noctua entity ontology

OBO-Edit is an open source ontology editor written in Java.

Analysies of gene expression data using Gene Ontology