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Best next windows Alternatives
Here are some Firefox add-ons that are similar to next windows:
floating windows
kanonlabs
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not windows
dragila
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Winblows
mogiel
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Black windows 7
kkk0031
3 0.00 (0) 
dark windows
uuzgagah
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Wicked Windows
Czerberus
- 5.00 (2) 
Bluewindow
ricaldos40
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Windows_01
Kemsanya
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Firefox Windows
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blue windows 7
rasse70
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Windowsten
BleedBNG
- 5.00 (1) 
window/s out
g650609
1 5.00 (1)