Siacoins are PoW mined by ASICs. GPU mining are not profitable anymore since ASICs were introduced to the network on early 2018.

Below are a list of GPU miners. The single-threaded CPU miner featured in the Sia The Sia Daemon is recommended only for testing.

• Sia-GPU-Miner by Nebulous Inc. Written in C
• gominer by @allejuppa. Written in Go
• Marlin by SiaMining.

• Sia-CUDA-Miner by KlausT. Written in C
• Sia-CUDA-Miner fork by Vorksholk. Written in C
• ccminer by KlausT. Written in C
• Marlin by SiaMining.

Visit here for a list of known mining pools.