I was invited to talk about "Rizaliana Online" at the Philippine Historical Association's National Conference on Teaching the Rizal Course. I don't have time to share what I said, but I did promise to share the links to the sites I mentioned.
Disclaimer: The inclusion of a website in the list below does not mean that I fully endorse the site and that there are no problems with its content or usability =)
Possible Sources for the Rizal Course
TV5 search: "jose rizal"
e.g., History | #pogiproblems ni Dr. Jose P. Rizal Part (1/3)
ABS-CBN News search: "jose rizal"
e.g., ABS-CBN's Bayani - Jose Rizal: "Sa Aking Mga Kababata"
GMA News and Public Affairs search: "jose rizal"
e.g., Pluma: Si Rizal, ang dakilang manunulat
JoseRizal.ph
Rizal-Blumentritt Friendship
Virtual Travels of Rizal
HathiTrust
e.g., Data papers: International Congress on Rizal (1961)
National Library of the Philippines: Digital Collections
Rizaliana: Manuscripts, Books and other Monographs
e.g., Noli Me Tangere (1887)
The United States and its Territories
e.g., El Filibusterismo (1900)
José Rizal, obras, en lenguas originales
e.g., Noli Me Tangere (1961) (pdf)
Internet Archive
e.g., Sucesos de las islas Filipinas (Morga, 1609),
Sucesos de las islas Filipinas (Rizal, 1890)
Biblioteca Digital Hispanica
e.g., Sucesos de las Islas Filipinas (Retana, 1909)