Some openings I found on some sites together.
1. Nf3 f6
2. Nd4 Nh6
3. Nf5 Nf5
3. e3
3. g4
3. h3
2. Nd4 others
2. e3 e6
2. e3 d6
2. e3 d5
1. Nf3 others
1. Nh3
TrojanKnight Opening
1. e3 e6
Someone Opening
2. Nf3 f6
2. Nf3 Qf6
2. Nh3 f6
2. Nh3 h6
1. e3 others
1. e4
1. Nc3
Unusual first moves