The most popular consensus algorithms available are listed below:

Proof-of-Work(PoW)

Proof-of-Capacity (PoC)

Proof-of-Activity (PoA)

Delegated Proof-of-Stake(DPoS)

Proof-of-Stake(PoS)

Proof-of-Authority

Proof-of-Burn

Unique Node Lists

Proof-of-Weight

Proof-of-Elapsed Time