RavKook.net is the largest collection of teachings of Rav Kook in English on the Internet, dealing with a wide variety of topics, covered by more than forty headings.
Experiencing-the-Divine.com is a translation of B'nei Machshavah Tovah, the classic Hasidic text of meditative awareness by R. Kalonymous Shapira, the famed Aish Kodesh who perished in the Holocaust.
On Jewish-Spiritual-and-Beautiful, you can download a number of Jewish texts, including classic Hasidic stories translated from original Hebrew and Yiddish sources, Wellspring of Kindness (teachings by Rav Kook), and others.
JewishLights.blogspot.com is occasionally updated with translations by Rav Kook, R. Nachman of Breslov, the Aish Kodesh, Hasidic stories, and there you may find original poetry as well.
Please visit these sites and if you find them valuable mention them to your friends as well!
