Upcomming Mainnet Launches till June

Oyster (PRL) May 29th
TRON (TRX) May 31st
Nuls (NULS) Sometime in May
EOS (EOS) June 2nd
VeChain (VEN) By end of June
High Performance Blockchain (HPB) By end of June
Fusion (FSN) By end of June
Ontology (ONT) By end of June
Credits (CS) By end of June
DADI (DADI) By end of June
Aeternity (AE) By end of June