Plot.ly is a versatile charts creation tools. It allows users to create many chart types: line, scatter plots, bar graph, bubble charts, histograms, 3D plots, and more. It also runs statistical analysis: ANOVA, T-test, Chi-squared. This program is web-based, free to use, and an excellent tool for conference presentations.
1. Go to Plot.ly and create a free account
2. See what others have created by clicking on the "Explore" feature (https://plot.ly/feed/)
3. Click on "Workspace" and start creating your own!