The book of Daniel.

Counted among the writings.

Attributed author(s).
Daniel.

Text(s) available.
None on site.
CCEL: Daniel (Hebrew only).
Swete LXX (Greek only).
Bible Gateway (English only).
Humanities Text Initiative: Prayer of Azariah and song of the three, Susanna, and Bel (English only).
HTML Bible: Daniel 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 (Hebrew and English).
Zhubert (Greek and English).
Kata Pi BHS: Daniel 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 (Hebrew and English).
Kata Pi LXX: Daniel 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 (Greek and English).
Kata Pi: Daniel (Theodotion) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 (Greek and English).
Kata Pi LXX: Susanna 1 (Greek and English).
Kata Pi: Susanna (Theodotion) 1 (Greek and English).
Kata Pi LXX: Bel 1 (Greek and English).
Kata Pi: Bel (Theodotion) 1 (Greek and English).
Kata Pi LXX: Ode 9, prayer of Azariah (Greek and English).
Kata Pi LXX: Ode 10, song of the three (Greek and English).
Sacred Texts: Daniel 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 (polyglot).
Sacred Texts: Prayer of Azariah (song of the three) 1 (English only).
Sacred Texts: Susanna 1 (polyglot).
Sacred Texts: Bel 1 (polyglot).
Sacred Texts: Ode 7, prayer of Azariah (Greek only).
Sacred Texts: Ode 8, song of the three (Greek only).

Useful links.
Daniel at the OT Gateway.
Daniel, the song of the three, Susanna, and Bel in the Jewish Encyclopedia.
Daniel, the song of the three, Susanna, and Bel at Kata Pi (Oesterly and Robinson).
Daniel from the Plymouth Brethren.

The book of Daniel is counted as a prophetical book in our English Bibles, but in the Jewish scriptures it is among the writings.

The book was originally written in Hebrew (except Daniel 2.4-7.28, which is in Aramaic), but the ancient Greek translation known as the Septuagint (abbreviated LXX) is also a very important witness to the text. The LXX, however, also incorporates several apocryphal additions to the book. These are the prayer of Azariah and the song of the three (comprising 3.24-90 in the Greek text), the story of Susanna (an appendix of sorts), and the story of Bel and the dragon (another appendix).