VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Tweedle App - Notion is nice but sometimes all you need is an app like Tweedle.
foobar2000 - An advanced freeware audio player for the Windows platform.
Twicca - Twicca is a Twitter client for Android that is simply awesome. Features: * Notification
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.
Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.