VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Ceremony - Ceremony is the fastest-growing wedding photo collecting application that allows you to easily collect all your wedding pics from guests.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Wedew - Wedding E-invitation & Website
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.
RegexOne - RegexOne offers learning regular expressions with simple, interactive examples.