CanLII (Canadian Legal Information Institute) - free database funded by the Federation of Law Societies of Canada. CanLII provides access to court judgments, tribunal decisions, statutes and regulations from all Canadian jurisdictions.
Lexis Advance Quicklaw Plus - contains the contents of printed law reporters such as the Ontario Reports, Supreme Court Reports, and the Canadian Native Law Reporter. Lexis Advance Quicklaw also has its own judgment databases that include many unreported judgments. (Law students also have their own individual accounts to Lexis Advance Quicklaw, which contains more international materials).
WestlawNext Canada - contains the LawSource database--a general database of cases and legislation in addition to the fulltext Canadian Abridgment and Canadian Encyclopedic Digest.
Westlaw Edge Canada (law students have individual accounts) - contains what is listed above under WestlawNext Canada but also contains topical and international databases.
Other subscriptions via Queen's - sources such as LabourSource.
Indexes to subject law reports (print)
Loose-leaf services & annotated statutes (print)