Riak vs ToroDB: What are the differences?
What is Riak? A distributed, decentralized data storage system. Riak is a distributed database designed to deliver maximum data availability by distributing data across multiple servers. As long as your client can reach one Riak server, it should be able to write data. In most failure scenarios, the data you want to read should be available, although it may not be the most up-to-date version of that data.
What is ToroDB? Open source, document-oriented, JSON database that runs on top of PostgreSQL. ToroDB is an open source, document-oriented, JSON database that runs on top of PostgreSQL, providing storage and I/O savings and ACID semantics. ToroDB is MongoDB-compatible, so you can use Mongo clients to connect to it.
Riak and ToroDB belong to "Databases" category of the tech stack.
Riak and ToroDB are both open source tools. It seems that Riak with 3.24K GitHub stars and 530 forks on GitHub has more adoption than ToroDB with 10 GitHub stars and 2 GitHub forks.