Freeplane - Freeplane is a powerful and free software for building mind maps.
UltraISO - CD image files are easily created with UltraISO.
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
PowerISO - PowerISO is a virtual drive that allows users to encode, burn, mount, and even encrypt CDs, DVDs, and BDs. The software can be downloaded from many platforms and sites online.
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.
WinCDEmu - WinCDEmu is an open-source CD/DVD/BD emulator.