Dictionary - I presume having a really good dictionary bundled with the OS requires paying licensing fees, such as for OS X's included OED. Hopefully, someone

Dictionary - I presume having a really good dictionary bundled with the OS requires paying licensing fees, such as for OS X's included OED. Hopefully, someone out there is working on a system-wide spell checking framework for Linux. Ispell or aspell, perhaps? Integrating with them is not difficult (for developers...), and you can add words to the shared dictionary.