Hello 1902spizirna,

You can see when the bounty ends by clicking on the link to Crowdholding. The date when it expires will be shown on the left next to the title of to task / bounty / airdrop.

Yes, simply go to the home page and scroll down the page. There are plenty of tasks, bounties and airdrops for you to get involved with! Here is the link to get started! - https://www.crowdholding.com/newsfeed