Discover best Chart softwares, apps and websites.
Apache OpenOffice Draw. Makes drawing business processes and diagrams a snap! Draw - from a quick sketch to a complex plan, Draw gives you the tools to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is powerful tool for technical or general posters, etc.
Dia is free and open source drawing software.
PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language.
Matplotlib is a plotting library for the Python programming language and its numerical mathematics extension NumPy.
RAWGraphs allows you to export visualizations as vector (SVG) or raster (PNG) images and embed them into your web page.