altsql.net
The .net reads as native to database infrastructure rather than as a second choice, and it costs nothing with a technical audience.
SQL outlasted every technology supposed to replace it, and the landscape around it multiplied rather than shrank: distributed SQL, query engines over object storage, SQL layers atop non-relational systems, and a steady supply of alternatives to specific incumbent databases.
The alt- prefix signals adjacency rather than replacement, which is the accurate position. Nobody is replacing the language; plenty of people are building alternatives to particular implementations.
The name suits a database product, a query engine, a comparison and benchmarking resource, a migration consultancy, or a technical publication.
Six characters, no hyphen, both components immediately legible. Short technical names matter because they get typed constantly.
Available now. Offers considered.