Any to FB2 -
Interactive FictionBook 2.0 documents creation from TXT/HTML/MSWord documents.
May work with HTTP and download linked documents|images. May be used as an ActiveX server
from JScript, Perl and so on. Freeware, open source.
FBTools
- with FBTools you can edit, validate, preview and export FB2 documents with ease.
Site contains more usable tools.
HaaliReader -
good (best?) reader by Mike Matsnev for WinCE/Win. Supports FB2 and TXT. Supports ZIP and PRC compression.
dictionaries support. Freeware, open source.