At the moment I have shared 5 Contribution Programs in the Channel. Have a look in case you´re interested!

🔸Coda's Genesis Token Program : Incentivized Testnet
🔸Solana's Tour de Sol : Incentivized Testnet                                                   
🔸Captain Bitcoin : Airdrop & Referral Campaign                                           
🔸Near Protocol's Contributor Program : Event Organisation, Development, Writing, Education
🔸Celo's Baklava Testnet Incentivized Community Challenge :  Technical Contributors, Community helpers, and Educational Content Contributors (Translators)