Distributed Erlang in Emacs Lisp. Consists of a library for Emacs/Erlang integration, and a suite of tools built atop it.
rel_erl is a lightweight relational in-memory database for Erlang.
Features 1. Data rows are stored in the process dictionary. 2. Unique and referencial constraints are enforced. 3. There can be more than one index per table. 4. One-to-many joins are fast and easy.