This is, basically, a program to use dictionaries in plain text format. Requires Python and wxPython.
Windows binaries (~8 MB).
Unzip it somewhere, then run vocab.exe. There's a Mueller English-Russian dictionary file included. It can show you phonetic readings as well, if you install IPA fonts.
Additional dictionaries (~14.6 MB).
These include: Apresyan English-Russian dictionary, Korolev English-Russian and Russian-English dictionaries and a small Russian-English dictionry called "Socrat for Unix Console Ver 1.39 By Bortek".
Python sources (~6.34 KB). Requires Python 2.5 and wxPython.