Sign up form for one of the four showcases:
Discord message link: https://discord.com/channels/667044843901681675/972069216343715860/1159237745722527807
You can see recordings from all Proof of Integrity's Optimism RetroPGF Season 2 Showcases in the below message. They did 6 editions and 25 projects were able to speak up about what they do.