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VoltDB — RDBMS (Freemium)

VoltDB is a freemium RDBMS solution from Volt Active Data. Compare it against 85 other RDBMS tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is VoltDB?

VoltDB uses a freemium model — a usable free tier is available, with paid plans that unlock advanced features, higher limits and priority support. It is categorised under RDBMS and published by Volt Active Data. Buyers typically evaluate VoltDB when they need a dependable RDBMS option and want to weigh the trade-offs between free, open-source and paid tools before committing.

VoltDB alternatives

If VoltDB isn't the right fit, compare these RDBMS alternatives side by side:

4th Dimension (4D)Actian VectorActian Zen (PSQL)Adabas DAltibaseAmazon AuroraApache DerbyApache IgniteCA DatacomCA IDMSCUBRIDClarionCockroachDBCrateDB

Frequently asked questions

Is VoltDB free?
VoltDB offers a free tier under a freemium model; advanced features and higher limits require a paid plan.
What are the best VoltDB alternatives?
Popular RDBMS alternatives to VoltDB include 4th Dimension (4D), Actian Vector, Actian Zen (PSQL), Adabas D. See the full list of RDBMS on FreeSoftwareX.
What type of software is VoltDB?
VoltDB is a freemium RDBMS tool developed by Volt Active Data.

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