PDF to DWG Converter Converts vector drawings in PDFs to editable DWGs
PMPlayer
A media player with more features than you can imagine
VLC media player
VLC Media Player: The ultimate multi-format player
ContextConvert Pro
Powerful conversion among nearly all multimedia formats from right-click menu
Daminion
Manage their digital photos, videos, vector images, PDF and CAD formats like DXF and DWG