This wishlist should be a list of features, software, algorithms, databases, or anything else you'd like to see in Sage.

Features

Graphs

From Robert Miller:
> Comments: Emily Kirkman has done some extensive work on embedding
> graphs in surfaces, and I'd love to see some conversation about this
> at Sage Days 7.

Incidence Structures

See http://trac.sagemath.org/sage_trac/ticket/1305

Interactive widgets in the notebook

See http://trac.sagemath.org/sage_trac/ticket/1322

Algorithms

Programs

Databases