This is a nice collection of books of Ahaadeeth. It contains Saheeh al-Bukhaaree (+ Ibn Hajar’s commentary), Saheeh Muslim (+ Nawawee’s commentary), Sunan at-Tirmithee, Sunan an-Nasaa’ee, Sunan Abu Daawood, Sunan Ibn Maajah, Musnad Ahmad, Muwatta’ Malik, Sunan ad-Daarimee, Mustadrak al-Haakm, Sunan al-Bayhaqee, Sunan ad-Darqutnee, Saheeh Ibn Habbaan, Saheeh Ibn Khuzaymah, Musnaf Ibn Abi Shaybah and others. All the books are in Arabic with no English translations.
You can download the file in both Compiled HTML Help (.chm) file format or in Executable (.exe) file format from the IslamSpirit.com website:
EXE Format
CHM Format