What are some alternatives?
When comparing MultiMiner and Donate Your Tab, you can also consider the following products
NiceHash - Bitcoin Cloud Mining
2Miners - Modern cryptocurrency mining pool for GPU mining rigs
MinerGate - Start mining effectively with your computer or smartphone. Squeeze the most profit automining coins with the highest rates.
Buy Me A Coffee - A free, fast and friendly way to accept donations 💰
EOBot - "Cloud" mining and Bitcoin mining
Honeygain - Time flies when you’re making sweet money. Simply download the app, turn it on, and earn!