Amazon Athena vs Pilosa: What are the differences?
What is Amazon Athena? Query S3 Using SQL. Amazon Athena is an interactive query service that makes it easy to analyze data in Amazon S3 using standard SQL. Athena is serverless, so there is no infrastructure to manage, and you pay only for the queries that you run.
What is Pilosa? Open source, distributed bitmap index in Go. Pilosa is an open source, distributed bitmap index that dramatically accelerates queries across multiple, massive data sets.
Amazon Athena and Pilosa can be primarily classified as "Big Data" tools.
Pilosa is an open source tool with 1.83K GitHub stars and 149 GitHub forks. Here's a link to Pilosa's open source repository on GitHub.