The best alternatives to Numa are WTF is Ethereum?, Ether, and Peepeth. If these 3 options don't work for you, we've listed a few more alternatives below.
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Ether is built on a set of small core libraries. Their simplicity belies the fact that they are the outcome of years of building design systems across projects that range from marketing sites to enterprise applications. These libraries won’t try to do everything. They try to do the right thing.
Peepeth is a social network for those who value mindful, responsible engagement:
> Features encourage thoughtful content while discouraging reactive and hateful posts.
> No ads. Peepeth is accountable to users, not advertisers.
> Peepeth gives you control of your online legacy because data is saved to the Ethereum blockchain. Blockchain data is open, decentralized, and immutable.
Ethereum is a global, decentralized platform for money and new kinds of applications. On Ethereum, you can write code that controls money, and build applications accessible anywhere in the world.
Minds is a free and open source distributed social networking service that uses the blockchain to reward the community with ERC20 tokens. Minds describes itself as a "Crypto Social Network" that upholds internet freedom.
Murmur is a new-age microblogging platform on EOS blockchain. Unlike conventional social media platforms, Murmur is decentralized. This way users can better exercise control over their data, socially connect in safe & interesting ways without entrusting their data to some central middlemen & without confirming with arbitrary rules of publishing.
Hodlin is a cryptocurrency pricing platform build around social concepts. On hodlin.com, users can add context to any crypto price point by creating and sharing past or current events on specific points in time with opinions, images, videos, and articles.