QuickChart - QuickChart is easy to use and open-source open API that makes it easy to generate chart images.
Plotly - Low-Code Data Apps
ChartURL - Add rich, data-driven charts to web & mobile apps, Slack bots, and emails. Send us data, and we return an image that renders perfectly on all platforms.
RAWGraphs - RAWGraphs is an open source app built with the goal of making the visualization of complex data...
Visualis - Use Visual.is to create beautiful and dynamic reports, charts and dashboards.
Datamatic.io - Datamatic - WordPress for data visualizations