CLAN is available for both Windows and Mac. And, it allows the user to output the data directly into a spreadsheet or SPSS, so that quantatative analyses can be done immediately. Media Streams allows users to create multi-layered, iconic annotations of video content. Using over 2500 iconic primatives, the user compounds icons to create cascading hierarchical structure. Screenshots are here.
Tags can contain free text or a fixed code from a user designed classification system.
This labeling can be done on any number of levels, and levels can be totally independent. SignStream allows users to annotate video and audio language data in multiple parallel fields that display the temporal alignment and relations among events. Here is a screenshot. SignStream v.2, which allows display of up to 4 synchronized video files and a visual representation of the wave form of a synchronized sound file, runs on MacOS computers running System 8.0 or later and requires QuickTime version 3.0.2 or later. Although the binary database files can only be read with SignStream, data may be exported to a text file.