1000 Life Hacks ---- I actually prefer word, and like the feature that tells you if your sentence is not correct. But I have used open office when I got a new laptop and didn't want to pay for word right away.
Documentaries are an excellent way to supplement fiction texts in the class- bring in historical info, statistics, crazy eye-opening situations, and make students interested and excited using a medium (Tech Hacks Texts)
It's really easy and fun to use; I'm currently using it to learn Spanish. They have an iPhone app as well, and they have even more languages to learn (for free!) than are listed above. I highly recommend it.