The best alternatives to Boostinsider are Rocketclub, Yup, and Podcoin. If these 3 options don't work for you, we've listed a few more alternatives below.
There are >300m curators who've never made a dime off their influence. Yup allows them to earn from their engagement without changing their behavior. At scale, Yup provides clarity on what's socially valuable to each user and fixes incentives around social.
12 Dragons Magazine is an entrepreneurial magazine unlike any other. This magazine focuses on topical articles directly associated with successfully retraining your brain. New and seasoned entrepreneurs use 12 Dragons for definite higher levels of achievement.
BrewPlugger.com is a place for creators and makers alike to self-promote. Every week there are 10 free spots to promote your 'brew'. There are no hard limits to what or how many times something can be promoted. It's a free ad board for all!