You can check
https://bnktothefuture.com/search/pitches there are few projects specially related to cryptocurrency even the bitcache project from kim dotcom is there which is in hype right now. I haven't invested in any of such projects but i think this site is being used by some well known companies and projects to grab crowdfuding.
Btcjam is p2p lending platform not p2p funding/crowdfunding and i have seen several scam attempts on btcjam like p2p lending platforms in past. You can have your own research before investing or using any of this platforms.