Divested IBM products

ThinkCentre is a brand of business-oriented desktop computers, the early models of which were designed, developed and marketed by International Business Machines (IBM) since 2003. In 2005, IBM sold its PC business, including the ThinkCentre brand, to Lenovo. ThinkCentre computers typically include mid-range to high-end processors, options for discrete graphics cards, and multi-monitor support.

ThinkPad is a line of business-oriented laptop and tablet computers produced since 1992. The early models were designed, created and manufactured by International Business Machines (IBM) until it sold its PC business to Lenovo in 2005; since 2007, all new ThinkPad models have been branded Lenovo instead and the Chinese manufacturer has continued to develop and sell ThinkPads to the present day.

HCL Notes (formerly Lotus Notes then IBM Notes) is a proprietary collaborative software platform for Unix (AIX), IBM i, Windows, Linux, and macOS, sold by HCLTech. The client application is called Notes while the server component is branded HCL Domino.

Rocket U2 is a suite of database management (DBMS) and supporting software now owned by Rocket Software. It includes two MultiValue database platforms: UniData and UniVerse. Both of these products are operating environments which run on current Unix, Linux and Windows operating systems. They are both derivatives of the Pick operating system. The family also includes developer and web-enabling technologies including SB/XA (sometimes known as SB+ or SystemBuilder), U2 Web Development Environment (WebDE), UniObjects connectivity API and wIntegrate terminal emulation software.

System x is a line of x86 servers produced by IBM, and later by Lenovo, as a sub-brand of IBM's System brand, alongside IBM Power Systems, IBM System z and IBM System Storage. In addition, IBM System x was the main component of the IBM System Cluster 1350 solution.