Provides information on the status of over 500 major multilateral instruments deposited with the Secretary-General of the United Nations (as of 1 January 2009). Note that this one has information not only on ratification status, but also declarations and reservations.
Covers a range of subject matter such as Human Rights, Disarmament, Commodities, Refugees, the Environment and the Law of the Sea.

The Peace Agreements Digital Collection, part of the Margarita S. Studemeister Digital Library in International Conflict Management, strives to contain the full text of agreements signed by the major contending parties ending inter- and intra-state conflicts worldwide since 1989. It is a collection constantly under development by the Jeannette Rankin Library Program as a means to strengthen worldwide access to information on peaceful means to end international conflict.

The Council of Europe’s official treaty web site is available in French, German, Italian and Russian through the links in its upper navigation banner. Texts of treaties in Html and Word format, as well as explanatory reports, which are not available in German, Italian or Russian are displayed automatically in English (with a link towards the French version) until their replacement by a translation into these languages.

Search for Inter-American Treaties by text, signatories and ratifications, or central authorities. The Organization of American States is the world’s oldest international institutional system.

Hosted by African Union (AU), a searchable list of treaties and status lists as related to promoting integrated, prosperous and peaceful Africa, driven by its own citizens and representing a dynamic force in global arena.