Stardog might be a bit more popular than KX. We know about 1 link to it since March 2021 and only 1 link to KX. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Ah, a gigantic time series event firehose. (That was what I was curious about.) I guess this cues the stereotypical "have you looked at kdb+" question, then, which you've probably already fielded :) (https://kx.com) IIUC, kdb+ does in fact have a real DB hiding in it, and it's not all just "weird programming language" - but it does seem to require/prefer a reasonable amount of buy-in to the way it does things to... - Source: Hacker News / almost 3 years ago
We at Stardog -- https://stardog.com/ -- have been using Antithesis as early adopters to build our distributed knowledge graph platform, which includes a Zk-based HA clustered graph database. Antithesis is great; has saved us a few times; and the time is great, true rock stars and great people. Very happy customers. - Source: Hacker News / 7 months ago
InfluxData - Scalable datastore for metrics, events, and real-time analytics.
neo4j - Meet Neo4j: The graph database platform powering today's mission-critical enterprise applications, including artificial intelligence, fraud detection and recommendations.
TimescaleDB - TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.
kay.bot - KayBot - The Knowledge Graph Backed Virtual Assistant
Spotify Heroic - Heroic time series database.
Azure Cosmos DB - NoSQL JSON database for rapid, iterative app development.