Which writing systems have been adapted for Nilo-Saharan languages in Ethiopia?

For Nilo-Saharan languages spoken in Ethiopia, two primary writing systems have been adapted for their orthographies:

• Fidal script: An adapted form of the Fidal script, which is traditionally used for writing Amharic, has been developed to accommodate the orthographies of several Nilo-Saharan languages in the region.1
• Latin script: Consistent with broader trends in African linguistics, many orthographic traditions for these languages are based on the Latin alphabet. This development was largely driven by European missionaries, particularly from the 19th century onward.1