Database file mapping names to records, implementing a file-system
Fafnir-DB is a database file, addressing variable record data through textual names as identifiers, which applies heap organisation of its data space (based on the Moelnir-file project). Fafnir-DB also implements a rudimentary file system (within the file). This operation modus is optional.
There are no data size limits other than the range of a 64-bit signed integer. Scalability is limited to 1 - 10 Mio. entries due to non-paging internal structures.
XTEA (eXtended Tiny Encryption Algorithm) support for db4o open source object database. XTEA is a block cipher that operates on a 64-bit block size with a 128-bit key. An extremely tiny but very fast encryption algorithm (with cycles less than 32 rounds)
SimpleSQL is a 64-bit relational database, works as a standalone server-free db. component and transactional db. server, with standard SQL and JDBC, has portable single db. file, first db. available in Java and C++.