Pig vs Singer: What are the differences?
Developers describe Pig as "Platform for analyzing large data sets". Pig is a dataflow programming environment for processing very large files. Pig's language is called Pig Latin. A Pig Latin program consists of a directed acyclic graph where each node represents an operation that transforms data Operations are of two flavors: (1) relational-algebra style operations such as join, filter, project; (2) functional-programming style operators such as map, reduce. . On the other hand, Singer is detailed as "Simple, Composable, Open Source ETL". Singer powers data extraction and consolidation for all of your organization’s tools: advertising platforms, web analytics, payment processors, email service providers, marketing automation, databases, and more.
Pig and Singer can be primarily classified as "Big Data" tools.
Pig and Singer are both open source tools. Pig with 583 GitHub stars and 449 forks on GitHub appears to be more popular than Singer with 178 GitHub stars and 40 GitHub forks.