SQL Ledger is a product by DWS Systems Inc, Canada and is covered by the GNU General Public License.
This means that you don't have to pay license fees to use it. It also means that you can't make anybody responsible if something should go wrong! - even if it should have been caused by a programming error.

Copyright Information SQL-Ledger is a registered trademark of DWS Systems Inc.  (Registration No. 3,061,851 and TMA676,795)

Ledger123 is an enhanced version of SQL-Ledger; it can be found at http://www.ledger123.com. This site is run by Armaghan Saqib.

ERP Ledger is a hosting version of Ledger123 aimed at the Asian market. It is offered with business documents in Japanese and Chinese.