Tanzil.net is Quran navigator that i use on daily bases. It has over 100 translation texts. It has multiple Arabic typefonts, if you will. The main thing which other Quran projects - like Online Quran Project, etc - lack, despite their brilliance, is recitation along with translation text with Arabic, but also English translation. I hope they expand and include other voice translations. Moreover, i find it very user friendly in terms of finding ayahs, etc.
The project teams introduces Tanzil.net as following:
"Tanzil is a Quranic project launched in early 2007 to produce a
highly verified Unicode Quran text to be used in Quranic websites and
applications." [Italics mine.]
The fact that it can be incorporated into other apps and sites is very useful. The developer of the project is Mr Hamid Zarrabi-Zadeh, who also teaches computer science in Iran, may Allah preserve him and his team.