Polyhedra is a freemium RDBMS solution from ENEA. 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 Polyhedra?
Polyhedra 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 ENEA. Buyers typically evaluate Polyhedra when they need a dependable RDBMS option and want to weigh the trade-offs between free, open-source and paid tools before committing.
Polyhedra offers a free tier under a freemium model; advanced features and higher limits require a paid plan.
What are the best Polyhedra alternatives?
Popular RDBMS alternatives to Polyhedra include 4th Dimension (4D), Actian Vector, Actian Zen (PSQL), Adabas D. See the full list of RDBMS on FreeSoftwareX.
What type of software is Polyhedra?
Polyhedra is a freemium RDBMS tool developed by ENEA.
