You can their own wallets and gain from Hodlin if that's your intention.
For Pie
http://www.piecoin.info/ you can download their wallet there and stake.
Factom
https://docs.factom.com/#introductionNeo, use NEON, and you'll get gas which is like 20 bucks right now when staking, it takes a while to get any real amounts but since I'm hodling for what I plan to be years it works.
Be sure to keep them in sync with their respective networks