dat vs Massive: What are the differences?
What is dat? Real-time replication and versioning for data sets. Dat is an open source project that provides a streaming interface between every file format and data storage backend.
What is Massive? A Postgres-Centric Data Access Tool. Massive's goal is to help you get data from your database. This is not an ORM, it's a bit more than a query tool - our goal is to do just enough, then get out of your way. Massive embraces SQL completely, and helps you out when you don't feel like writing another mundane select * from statement.
dat and Massive can be categorized as "Database" tools.
dat and Massive are both open source tools. dat with 7.54K GitHub stars and 460 forks on GitHub appears to be more popular than Massive with 2.55K GitHub stars and 194 GitHub forks.