AuSIL Yolngu 1.0 that could have been downloaded from our website for free. The software is included in System Utilities. The most popular version among the software users is 1.0. This free tool was originally produced by AuSIL.
From the developer:
Computers and other technology have become essential tools in today's world. An AuSIL keyboard interface can give you quick and easy access to all the special symbols in the Anangu and Yolngu
alphabets. Some of the special characters that become easily accessible: ŋ, Ŋ,Ŋ, ä, Ä, ḏ, ḻ, ṉ, ṟ, ṯ, Ḏ, Ḻ, Ṉ, Ṟ, Ṯ
You may want to check out more software, such as System Pitstop, Avdump GUI or RegistryClear, which might be similar to AuSIL Yolngu.