Last June (June 17th 2021), Neo4j raised $325 millions. Last week ( october 5th 2021), Memgraph raised $9.34 millions. Tigergraph raised $105 millions last winter (February 17th 2021). Memgraph is 23rd most popular graphdb and Tigergraph is 9th, but still they show a great dynamic. This is very promising for the Graph DB ecosystem. Look at the popularity trend for graph DB:

Graph-DB Youtube tour

To save you some time searching for introduction videos, I took some of these databases and typed “<name of db> intro” in youtube. Here is the result :

Neo4j

TigerGraph

Memgraph

Anzograph

If you find better videos to introduce these database or other graph databases, let me know. I have tried to do graph-only databases. I will cover multi-modal databases in a future post.