The UCI is a collection of databases, domain theories, and data generators that are used by the machine learning community. These datasets can be accessed through Excel.
This new tool by Google allows you to search for metadata for millions of datasets in various repositories across the internet. The data comes in various formats depending where it comes from.
The data provided by the OECD covers a wide range of topics, such as agriculture, the environment, the economy, and jobs. The datasets can be accessed through downloadable CSV files or tables that can be exported.
A collection of free datasets from Microsoft Research to advance state-of-the-art research in areas such as natural language processing, computer vision, and domain specific sciences. Download or copy directly to a cloud-based Data Science Virtual Machine for a seamless development experience.
The NCEI is responsible for providing comprehensive atmospheric, oceanic, and geophysical data. While some of the information has to be paid for, the free datasets can be downloaded as CSV files.