Online Tanakh in Hebrew and English. The Hebrew-English Bible according to the Masoretic Text and the JPS 1917 Edition may be found at the Mechon Mamre site. See http://www.mechon-mamre.org/p/pt/pt0.htm
Biblia Hebraica Stuttgartensia (BHS), 1984. This is the critical edition of the text of the Tanakh. Its textual apparatus explains sources and variant readings. For location and availability link to AJU catalog record.
JPS Hebrew-English Tanakh, 1999. This version contains the Hebrew text based on BHS side by side with the new JPS English translation. For location and availability link to AJU catalog record.
Tanach: The Torah/Prophets/Writings, 1996. Also know as the Artscroll or Stone edition, it contains the Hebrew text along with English translations and annotations. For location and availability link to AJU catalog record.
Online Tanakh in Hebrew may be found at the
Hebrew University site, Snunit. These texts are searchable in Hebrew script only. See http://kodesh.snunit.k12.il/i/t/t0.htm
Online Tanakh in many languages may be found within the Christian site, Bible Gateways. In addition to the Christian texts one may find translations of the Hebrew scriptures into English, French, Spanish, Latin, Swedish, Arabic, Portuguese, and others. See http://bible.gospelcom.net/
Also available on CD. See below