is a community which creates languages and tools.
Softwares created by are as follows.

Schluessel: a Scheme interpreter A R5RS Scheme interpreter runs on Java 6 or above.
ShikiML: a mathematical formula markup language A language which markup mathematical formulae by ASCII art.
Rena: a parsing library A library which parses LL grammar with backtracking.
MonadPrimus: a JavaScript monad library A JavaScript monad library which includes lazy evaluation list, either monad and so on.
Nina: a language which describes automata A language which describes automata by text arts.
morilib Relations:a relational DBMS A relational DBMS implemented by Java.
DDL statement, CSV files and MS Excel xlsx format files are used as database file.