International SQL-Ledger Network Association is a non-profit organization based out of Zurich. The main aim of this organization is to support the development and promotion of open source SQL-Ledger.
ISNA also publishes useful documentations and refernece material related to SQL-Ledger.You can visit ISNA website at sql-ledger-network.com.
So far ISNA has funded a large number of customziations in the enhanced SQL-Ledger maintained by Ledger123.com
ISNA also runs a free support forum for SQL-Ledger users. This forum is actively monitored by members. Visit this forum at http://sql-ledger-network.com/forum/.