Tettra receives high praise for its AI-powered knowledge management capabilities, particularly its seamless Slack integration that minimizes context switching. Users appreciate its effective features, such as the FAQ tool, and its ability to keep knowledge organized and up-to-date. Long-term users highlight its reliability and potential to unlock valuable content. Feedback from the makers of Rupt emphasizes a strong partnership and growth potential. Overall, Tettra is lauded for its smart approach to AI and its practical utility for teams.