FoundationDB is an open-source RDBMS solution from Apple. 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 FoundationDB?
FoundationDB is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under RDBMS and published by Apple. Buyers typically evaluate FoundationDB when they need a dependable RDBMS option and want to weigh the trade-offs between free, open-source and paid tools before committing.
Yes. FoundationDB is open source and free to use, with no purchase cost for the core product.
What are the best FoundationDB alternatives?
Popular RDBMS alternatives to FoundationDB include 4th Dimension (4D), Actian Vector, Actian Zen (PSQL), Adabas D. See the full list of RDBMS on FreeSoftwareX.
What type of software is FoundationDB?
FoundationDB is an open-source RDBMS tool developed by Apple.
