Astronomy HyperText Book: Stellar Evolution
From the Electronic Universe Project.
http://zebu.uoregon.edu/textbook/se.html

Stellar Evolution (a la Chez Stella)
The Universe in the Classroom: Basic school lesson introducing stellar evolution metaphorically through a restaurant setting.
http://www.aspsky.org/education/tnl/49/chezstella.html

Stellar Evolution of Solar Type Stars
The complete sequence of events in detail.
http://cassfos02.ucsd.edu/physics/ph7/StevI.html

Life and Birth of Stars
The physical structure of stars, energy generation, mathematical models, main-sequence stars and the birth of stars.
http://www.physics.gmu.edu/classinfo/astr103/CourseNotes/ECText/ch17_txt.htm

The Evolution of Stars
Lectures on the main sequence, red giants, stellar clusters and variable stars. Semi-technical.
http://www-astronomy.mps.ohio-state.edu/%7Eryden/ast162_4.html

Evolution of Stars
Simple explanation of birth, life, and death of stars.
http://www.milky-way.com/gb/sevol.htm

Stellar Evolution
Stars and the Hertzprung-Russell diagram (where a star's absolute luminosity is plotted against its surface temperature).
http://www.astunit.com/tutorials/stellar.htm

Stellar Evolution Simulation
A graphical representation of the evolution of stars during their lifetime using the Hertzsprung-Russell (HR) diagram.
http://instruct1.cit.cornell.edu/courses/astro101/java/evolve/evolve.htm

The Life and Death of Stars
A detailed look at the evolution of stars from birth to death.
http://www.rog.nmm.ac.uk/education/lectures/evolution/index.html

Stellar Evolution and Death
The NASA Observatorium's presentation on stellar evolution and extinction of stars.
http://observe.arc.nasa.gov/nasa/space/stellardeath/stellardeath_intro.html

Stars Beyond Maturity
The evolution of stars beyond the main sequence explained in detail.
http://www.arm.ac.uk/~csj/astnow.html

Starclock: Stellar Evolution Software
Starclock is a program for DOS that animates the evolution of stars on the HR diagram.
http://leo.astronomy.cz/sclock/sclock.html