A scientific plotting library for C/Fortran built on cairo
A 2D scientific plotting library built on cairo. Provides uniform output to pdf, ps, png and X-Windows. Written in C with no dependencies (other than cairo) as a direct replacement for PGPLOT.
Uranograph is a set of classes and methods written in Java for generating printable and viewable star charts based on different data sources. Currently the Lambert azimuthal equal-area projection is implemented. Output in SVG and PDF (with iText library)