We describe the features and implementation of a web application tool named MAVEN--for Management, Analysis, Visualization and rEsults shariNg of genome-wide association data using cutting edge technologies. Main capabilities include user data uploading and management, queries using a variety of criteria, visualization of results, interactive selections and seamless integration of users data with databases at the National Center for Biotechnology Information (NCBI) for functional annotations of single nucleotide polymorphisms (SNPs) and genes.