From LQWiki
Even the most feature-rich desktop environment may be missing something one would find useful and many minimalist window managers can be made a little less spartan with various X utilities. The most widely known (from various standard xinitrc's) may be xclock, xload, and others. The following are some not distributed with XFree86/XOrg.
Miscellaneous
Dockapps
Silly applications (not all X-based)
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