 Sweeny has managed research programs, produced reference and learning materials, and consulted with many private and public sector organizations, including as an adviser to the Canadian government's Task Force on National Unity (the Pepin-Robarts Commission), Library and Archives Canada, Parks Canada, Federation of Saskatchewan Indian Nations, National Indian Veterans Association, Assembly of First Nations, Canadian Heritage, eLibrary ProQuest, Nelson Thomson Learning, Quebecor Media, Electric Library Canada and CanWest Global.In 1989, he produced "Canadisk", Canada's first multimedia CD-ROM, as a joint venture with Encyclopædia Britannica.In the 1990s, he developed learning materials for Apple Computer's eWorld online service, and produced the original "Encarta Book of Quotations" (1999) with Microsoft Inc. and Bloomsbury Publishing, London.