1)   Actual Transparent Window 5.1
Actual Transparent Window offers new ways of working with multiple windows: it lets you easily set and vary transparency level of any window, either manually via title button or automatically depending on a window state (active/inactive/moved/etc.).
transparent, window, translucent, semi-transparent, taskbar, plugin, skin, addin, addon, winamp,

 2)   XNeat 2.0.0.3
Titlebar, Taskbar AND System Tray Icon Utility in the must have list. XNeat gives you full control over your Windows by extending it's features: 1) Stay On Top 2) Send To Tray 3) Taskbar Manager 3) & More Once you try it, you will love it .. !
taskbar manager, arranger, sorter, taskbar utility, minimize to tray, tray icon, always on top, stay on top, taskbar, transparent,

 3)   Actual Window Menu 5.1
Actual Windows Menu is a suite of the most essential tools for versatile windows control: minimize them to tray, set up priority, keep always-on-top, apply transparency, etc. Once installed, the extra options are added to each window's system menu.
window menu, minimize, tray, stay always on top, roll up, unroll, system menu, transparent, translucent, transparency,

 4)   Actual Window Manager 4.5
Have problems with organizing windows? Unwind and click now for a free-to-try window control enhancer! Choose Minimize to Tray control or Stay on Top tool to have access to the selected windows at any moment of time. Download FREE trial version now!
windowmanager, minimize, tray, stayontop, desktop, taskbar, icon, close, transparent, translucent,

 5)   SkinCalc 3.5
SkinCalc is a free calculator featuring skins and a spreadsheet interface. Skin effects include translucency and non-rectangular shapes. More than 100 skins are available from the sites listed at skincalc.com.
Calculator, skinnable calculator, skins, skin, translucent, translucency, transparent, transparency, spreadsheet, Excel,

 6)   Ambient Light 3D 1.1
Ambient Light 3D is an original artistic 3D screensaver featuring 5 different 3D figures rotating and moving across the screen in elegant dance: Cube, Pyramid, Sphere, Cylinder, Cone; configurable figure morphing; optional translucency; texture skins
3d, opengl, figure, rotating, ambient, light, color, cosmic, galaxy, Andromeda,

 7)   AquaticBar 1.0
Water under your Windows Taskbar!
water, aqua, aquatic, taskbar, transparent, translucent, opacity, opaque, start, tray,

 8)   WorldCalc 3.5
WorldCalc is a calculator and currency converter with daily exchange rate updates provided by Cloanto, a leader in currency services. Includes a spreadsheet interface and translucent skins. The unregistered version displays an advertising banner.
Currency calculator, currency converter, skins, skin, translucent, translucency, transparent, transparency, calculator, spreadsheet,

 9)   BubbleClock 1.0
BubbleClock are analog clocks and reminder with semitransparent effect (only Windows 2000/XP). Various kinds of clock skins. Synchronization your computer clock.
timezone map, time zone map, map, zone, reminder, clock, bubbleclock, semitransparent, transparent, translucent,

 10)   Euro Calculator 3.5
Euro Calculator is a calculator and currency converter with internet agent that collects daily rates. Features include a spreadsheet interface and translucent skins. Calculator and euro conversion functionality never expire (freeware).
Euro Calculator, currency converter, skins, skin, translucent, translucency, transparent, transparency, calculator, spreadsheet,