AnSWR by CDC 
Free software to conduct word-based qualitative analysis. Best for large-scale, team-based projects that integrate qualitative and quantitative techniques.
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CDC EZ-Text by CDC 
Free software to create, manage, and analyze semi-structured qualitative databases. Ability to design/enter questionnaires, create codebooks, and analyze text.
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Tagxedo by Hardy Leung 
Free online software to create word clouds.
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Transana by the Wisconsin Center for Education Research 
Software to transcribe, analyze, and manage digital video or audio data. ($65 for single-user, $500 for multi-user.)
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Wordle by Jonathan Feinberg 
Free online software to create word clouds.