“The Vermont State Archives consists of records that have continuing value to the State of Vermont and its citizens. The records document the rights of citizens, the decisions of government, and the history of the state from its establishment in 1777 to the present.”
The Vermont State Archives has many online genealogy records or links to the repository where the records are held.
Vermont State Archives Vital Records (1760-2003) are available online (free to all at FamilySearch; free to Vermont residents at Ancestry.com).
Some Probate Court records are available online (free to Vermont residents at Ancestry.com).
Vermont State Archives Land Records are partially available online at FamilySearch (free to all).
Vermont State Archives has an online index, the Nye Index, for the Manuscript Vermont State Papers (1760-1860), the earliest government records including anyone who had any legal or financial transaction with the state government.
Vermont State Archives Town Records, including town land records, town meeting records, cemetery and church records, etc, are partially available online at Family Search, free to all.