TONI is an index of every name in every publication relating to Ontario. The index points people to the location of the information about that name, and the location of the information may be a Branch (Chapter) document, a web site, a microfilm, a family history, an archive, etc.
It was started in May 2011, and you should check it often because they are putting on names to the index nearly everyday.
You can check out the index at http://www.ogs.on.ca/integrated/toni_database1.php
Also, don't forget the Ontario Genealogical Society Provincial Index (OGSPI).
There is 1,830,226 names on this index, and the project was started in 1997. It is located at http://www.ogs.on.ca/ogspi/welcome.htm on the Ontsario Genealogical Society.
As with any index, I always compare, and contrast the two indexes – TONI and OGSPI. Since TONI is a "work in progress", I always check it against the OGSPI to make sure that I have found all the information possible that has been put on the two indexes.