Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

Hand crafted, scalable vector icons for designers and developers.
This pack comes with 264 custom icons in SVG, AI, ESP, PSD, CSH and PNG format.
All the icons are royalty free for personal and commercial use.

Raphaël is a small JavaScript library that should simplify your work with vector graphics on the web. If you want to create your own specific chart or image crop and rotate widget, for example, you can achieve it simply and easily with this library.

Inkscape is a professional vector graphics editor for Windows, Mac OS X and Linux. It's free and open source.