#buildinpublic - Discover what people are building in public
Open Makers - Open Makers is a community for those of you who are "building in public" and want to share your maker journey.
Astramind for Makers - Astramind is a platform where makers build in public and engage with potential customers, fellow makers.
Publicly - Build in the open
GrowthList - A crowd-sourced list of growth hacks
Hypefury - No idea what to share on Twitter?