YaTT: Yet Another Tengwar Tool - Software tool for two-way transcription of Tengwar in various language modes; also includes a discussion forum. - http://linux.fjfi.cvut.cz/~nemec/tengwar/
Amanye Tenceli - Dedicated to the Tengwar and Sarati writing systems, includes overviews and downloads for fonts and transcription utilities. - http://at.mansbjorkman.net/