A free cross-platform editor for the DRAKON visual language.
...DRAKON serves them to explain the dynamics of a software system.
Software engineers can use DRAKON Editor to build algorithms in Go, Java, Processing.org, D, C#, C, C++, Python, Tcl, Javascript, Erlang and Lua.
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.