The community contributed a diverse range of interesting posts to the Neo4j blog in April 2015, including articles on using Neo4j for various applications such as movie profiles and network optimization, as well as insights into graph databases and big data. The community also shared slides and videos related to Neo4j, showcasing its capabilities in bootstrapping recommendations and fraud prevention. Additionally, a book review of O'Reilly's Graph Databases Second Edition was featured, highlighting the importance of graph databases in modern applications. Throughout April, the community demonstrated their expertise with Neo4j, providing valuable insights and practical examples that benefited others in the field.