Tableau Public
Tableau Public is a free platform - frequently used in journalism - to explore, create, and publicly embed or share interactive data visualizations online.
Sample projects:
Piktochart
Piktochart Free is a design tool for creating infographics, reports, presentations, and data visualizations by entering information into pre-established templates.
- Information on data viz options specifically, from the website: "Turn complex data into a clear, catchy visual. Data doesn’t have to be boring, and visualizing data doesn’t have to be complex. Copy-paste your data into our graph maker, upload a CSV, or Excel file, or link up a Google sheet. Turn complex data into a clear data visualization that gets your message across. Choose between charts, graphs, and interactive maps to present your data clearly and understandably."
- Sample infographics on Language
Other Free Visualization Tools
D3 : Data Driven Documents
It helps to know some code to make best use of this free tool. Use it to make dashboards, graphs, maps and other visual representations of data.
Sample projects: