-
iOS-OTA-Downgrader
Discontinued A multi-purpose script to save blobs, restore, and jailbreak supported legacy iOS devices [Moved to: https://github.com/LukeZGD/Legacy-iOS-Kit]
-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Yes. Use iOS-OTA-Downgrader to do so. It works with all iPad 2 except the Mid 2012 variant (iPad2,4). Works with these OS's
Yes. Use iOS-OTA-Downgrader as per the other comments. However, I wanted to point out that you should be able to use 4tify-iPad2 to dualboot iOS 4 on there too...
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.