Supports inference on nested and complex-object relations with declarative semantics. StoredObjects is an object-oriented database coded in Java. Distributed as open source system under a GNU license scheme. Texas Persistent Store Root directory for the Texas Persistent Store, a DBMS that has a memory-mapped architecture similar to that of ObjectStore. ThinkSQL is a relational database server aiming at full ISO SQL compatibility.
Beta version is free for download.
The VisDB system is a visual data mining techniques, which allows an exploration of large databases. WebSQL WebSQL is a declarative query language that helps automate Web navigation and search. Prolog-based XSB deductive database system originated at SUNY Stony Brook. Includes a datalog interpreter, support for HiLog terms, and support for the well-founded semantics. XQL The GMD-IPSI XQL engine is a Java based database for native XML documents.