The JavaScript InfoVis Toolkit is a free set of tools for creating interactive data visualizations compatible with web standards. Visualization options include bar graphs, radial graphs, tree graphs and more, many integrating animations.

Gephi is a free, open source interactive visualization and data exploration tool. Users can manipulate the display to uncover new facets of the data, enabling intutive exploration.

Quadrigram is an environment for data gathering, query and visualization, based on a visual programming language and intended for users with no experience programming or creating visualizations. At present, it contains 50 different visualizers.

VisualEyes is web-based authoring tool for creating dynamic visualizations offered by the University of Virginia. It can be used to combine images, maps, charts, video and research data into a single visualization. It is comprehensively documented, including a reference guide to its XML structure and scripting, and to structuring data for inclusion.

SylvaDB is a graph database management system. It allows users with no knowledge in graph theory to model, collect, query, and analyze data in a network structure. SylvaDB provides tools for easy creation of schemas and modelling, automatic forms creation to input the data, collaborative features, a visual query editor, global and local search, reports charts generation, networks metrics, and visualizations tools.

Zoho provides a drag-and-drop interface for creating database-driven applications, such as forms.