I use Hebcal all the time for its listings of Torah readings since I belong to two lay-led minyanim and so when I coordinate Torah readings, it is helpful that the site shows listings of the verses for each parashah for both full kriyah and triennial cycle readings as well as the Haftarah readings:
http://www.hebcal.com/sedrot/ My "primary" minyan does full kriyah, whereas my "tiny" (and dying
) minyan reluctantly switched to triennial cycle several years ago when it got too small to keep up the full readings (and now it seems that it has become too small for that too...) The Hebcall site also allows you to download the readings into several different spread sheet formats. I find the spread sheet format very helpful for my tiny minyan in which Torah readings are coordinated a book at a time, so the coordinator needs to keep track of which readers volunteer to read which readings for several weeks. For my primary minyan, the service coordinator arranges for all volunteers from prayer leaders to Torah/haftarah readers.
If on the above "sedrot" webpage you click on a particular parashah and then click on an individual aliyah, it takes you to the ORT online Tikkun. Those
www.bible.ort.org webpages show: Hebrew with trope on top, Hebrew text without vowels and trope like in the Torah below that, and both transliteration and translation into English on the right. The Hebrew with and without trope lines up the same so it is easy to go back and forth (unlike the tikkun that my husband uses). I used to use this online tikkun all the time when I first started to leyn (chant Torah) before I bought a tikkun I like better for learning from (Asimonim). The only thing that is annoying about the ORT webpage is that the Hebrew texts overlap from page to page, so you kind of need to mark where the next page continues the passage. If you want to print out multiple verses, you can use the "scroll scraper" web app which just prints out the requested verses of the Hebrew part of the ORT without duplicated lines:
http://scrollscraper.adatshalom.net/The ORT pages also have sound files, but they don't work on my computer (a Mac). My husband once got them to work on his laptop (a PC) because I quite wasn't sure about how the trope worked with a particular word. I prefer to learn a Torah portion from the written trope rather than a recording because I am a very visual person, I don't have a great auditory memory, and the trope style I learned is a little different from the ORT recording, but the sound files might be helpful to other people.
On Hebcal, the dates of the holidays (for the next few years) are here:
http://www.hebcal.com/holidays/And if you click on the holiday, it brings up a page showing the associated Torah readings.
This reminds me that I really ought to make a donation to the Hebcal website because the site is privately supported and I do use it all the time.