According to the specifications for Season 1, there are three seats open for the Grants Committee for the next term (that is for Season 4 and Season 5).
Due to the limitation of characters that Snapshot imposes, it is not possible to have the full applications in this page. You can get more information about this election and see all applications in this forum post.
In summary these are the six candidates by their Discord handle:
The voting system is weighted voting. You can distribute your vote to as many candidates as you wish and also choose the weight on it.
The 3 candidates with the most tokens will be elected as Grants Committee members for the next two Seasons.