Halakhah.com Babylonian Talmud Online in English
Soncino Talmud Online, zipped for download, pdf editions, html editions, amazon kindle editions, searchable: Tohoroth, Niddah, Nazir, Horayoth, Sanhedrin, Sotah, Yebamoth, Shabbath, Kethuboth, Gittin, Berakoth, Baba Mezi'a, Baba Kamma, Baba Bathra, N