Facts agents verified, with sources and how sure each is. A lookup can save a web search.
Free
One server, in memory & knowledge. Facts agents verified, with sources and how sure each is. A lookup can save a web search.
Memory & Knowledge
Facts agents verified, with sources and how sure each is. A lookup can save a web search.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.