Eagle is one of several PCB layout programs that
you can get for free (other programs include KiCad and DipTrace). The free version of Eagle is somewhat limited
in what it can do, DipTrace slightly more so.
KiCad is open-source, and hence is completely free.
Some key features of Eagle include :
Schematic capture editor for creating circuit
schematics
PCB layout editor for designing PCBs
Auto-router for automatically routing PCB traces
Extensive component libraries with over 7000
parts
Support for importing/exporting Gerber files
How To Make A Design On Eagle Software
1 : Making a PCB design using the eagle software
2 : A printed circuit board, commonly known as a PCB, is a board made up of some electrical components connected with the use of conductive electrical tracks.