Finding tool or library for displaying relationship graph

[AydosIlgazi]

Necessary Features:

• Javascript or Django Library
• Can be built with custom data
• All nodes should be visible inside the area
• Nodes should be identifiable(for annotations later)

Nice To Haves:

• Dragging nodes
• Good-looking

[AydosIlgazi]

Graph will be implemented using https://www.graphdracula.net.