A couple of my favourites, which are still ongoing. Patience is a virtue. Patience is a virtue. Patience is a...!
For those who have run out of patience whilst ever-waiting for that next chapter. These have all been completed with the guarantee of proper closure.
» StopTazmo - A monstrous archive of manga. Read online or download.
» Read HomeUnix Manga - Read online the newest scanlated chapters.
» CDisplay - The best program for reading downloaded manga.