i2 Analyst's Notebook is a software product from i2 Group for data analysis.
It is commonly used by digital analysts at law enforcement, military and other government intelligence agencies, and by fraud departments.
It is a part of the Human Terrain System, a United States Army program which embeds social scientists with combat brigades.
[2][failed verification] IBM acquired i2 Analyst's Notebook when it bought the i2 Group in 2011.
[3] IBM sold all the i2 products, including i2 Analyst's Notebook, to Harris Computer Systems, a part of Constellation Software, in January 2022.