OPEN SOURCE
Built for teams and agents to ship faster
39M+
Downloads / month
300+
React Native commits
67K+
GitHub stars
150+
OSS Projects
Used across production apps
Teams use our libraries every month to build, test, release, and improve React Native products at real high-trafficproduction scale.
Part of the React Foundation
We help shape the framework your mobile products depend on. Our open source sits close to the decisions behind React Native.
Maintained with the community
These projects grow through real usage, contributor feedback, and engineers who ship production React Native apps every day.
The stack for AI-native delivery
From core libraries to agent infrastructure, our projects give teams and agents the tools to work inside real codebases.
Open source
Tools for teams and agents.
From core React Native libraries to agent infrastructure, these projects help engineers and AI agents inspect, validate, automate, and ship real apps.
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Agentic Infrastructure
Infrastructure built for AI-native delivery
Agentic development only works when the infrastructure around it can keep up. The right delivery stack turns more agent output into faster engineering and smoother releases.
discord
Talk agents, apps, and open source.
Join the Callstack Discord to discuss React Native, AI-native workflows, agent tooling, bugs, ideas, and contributions.

