Directory
Stream
Chat, feeds and video SDKs
Free tier + paidRealtime, comments & collabgetstream.io
What it is
Managed SDK suite spanning chat, activity feeds, video and moderation, with polished pre-built UI components for React, iOS, Android and Flutter. Chat bills on monthly active users while video bills on participant-minutes. Includes automated moderation and a review dashboard rather than leaving policy enforcement entirely to you.
Why it earns a slot
For a chat or activity feed that looks finished on day one — threads, reactions, typing indicators, read state, moderation queue — instead of six months building chat UI. The makers exemption keeps genuinely small projects at zero.
Know before you commit
The step from the 1,000-MAU free tier to $399/mo for 10,000 MAU is the steepest cliff in this category. MAU counts anyone who connects, so a public public chat bills for lurkers who never type a word.
Getting started
npm i stream-chat stream-chat-react
Neighbourhood
How Stream sits against the rest of the atlas — swaps, companions and the tools builders actually save alongside it.
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