The Neo4j community has shared various articles, blog posts, videos, slides, presentations, libraries, code repositories, podcasts, and audio content in December. These resources cover a range of topics such as graph databases, data modeling, indexing, migration, recommendation engines, Twitter influencer analysis, and more. The community also features user-generated content like GraphGists and code repositories showcasing various use cases and applications of Neo4j. Additionally, the community is promoting its free "Neo4j in Production" class to help users improve their graph database skills.