CoinsHub - All your crypto trades synchronized with no hassle
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.
Bitcoin Flip - Trading Simulator for all the popular crypto currencies.
Geneva - An all-in-one communication app for groups & communities
CoinStats - CoinStats is a cryptocurrency research and portfolio tracker, that allows to access market data on over 3000 cryptocurrencies, track bitcoin and altcoin investments.
Figma Community - Publish live design files for others to learn from & remix.