What are some alternatives?
When comparing MultiMiner and CoinImp, you can also consider the following products
NiceHash - Bitcoin Cloud Mining
MinerGate - Start mining effectively with your computer or smartphone. Squeeze the most profit automining coins with the highest rates.
EOBot - "Cloud" mining and Bitcoin mining
Kryptex - Kryptex generates cryptocurrency and pays you bitcoins or real-world money.
CGMiner - ASIC and FPGA miner in c for bitcoin. Contribute to ckolivas/cgminer development by creating an account on GitHub.