SIL International

Free
Unicode keyboard layout editor for the XML-format keyboard layout files in OS X (".keylayout" files).
Free
Is specially dedicated for those who are directly involved in Bible translation
Free
SIL Hebrew Font System is a pre-Unicode or “legacy” font system
Free
Phonology Assistant helps users of Speech Analyzer, Toolbox
Free
IPA Help is a computer program for learning to recognize, transcribe
Free
It provides you the necessary tools for translating either text or scripture
Free
Create and share your personal lexicons in different languages with this program
Free
It reflects the traditional hand-written style of the Tai Viet script
Free
It provides symbols needed to reproduce the textual apparatus in biblical texts
Free
These fonts include a complete set of Vai consonants and vowels
Free
It is a library of over 1600 phonetic characters and linguistic symbols
Free
It can show you the raw glyph palette, which is useful if you are writing smarts
Free
Ethiopic script is used for writing many of the languages of Ethiopia & Eritrea
Free
Font pack for typing in Arabic languages
Free
Download and unzip a keyboard layout, then follow instructions in the IPA Unicode 5.1 (ver 1.2) MSK.pdf to install
Free
Software upgrades for individual applications are now available as stand-alone downloads, so users can get only what they need