Diagrams for Mac - A diagram editor for visualizing structures and processes
BlockSurvey - Privacy-focused surveys, polls & forms
The Data Visualisation Catalogue - Reference tool for data visualisation
Refiner - Customer Feedback Surveys For SaaS
nivo - nivo provides a rich set of dataviz components
Surveys in Slack by Polly - The world's first fully immersive Slack-based survey product