I am researching bounty management software.

Does anyone know of SaS or code that can manage reward bounties?

The Signal bounty claim signal is particularly impressive, and I am wondering if it is off the peg or bespoke ...

[in particular what happened during the split between Ether and Ether Classic]

Can anyone help with a concise authoritative history of Ethereum, in particular what happened during the split between Ether and Ether Classic, and the accompanying market movements?