
SparkHabits
Habit tracking with streaks and daily rituals.
6 Nitro modules for React Native. Written in C++, Swift, and Kotlin. Zero-bridge JSI, type-safe from the spec down, and documented like you're going to actually read it.
Better Auth passkeys in React Native, powered by Nitro.
Google Play Age Signals + Apple Declared Age Range.
On-device exercise tracking — rep counting, form validation, skeleton overlay.
Multipart uploads to S3, R2, and Backblaze — via Nitro.
Accelerometer, gyro, magnetometer, barometer, pedometer — zero-bridge.
iOS 26+ AlarmKit API for React Native.
These libraries are free and MIT-licensed. Sponsorship keeps them maintained and moves your issues to the top of the queue.
Become a Sponsor
Habit tracking with streaks and daily rituals.

AI meeting intelligence for industrial sales teams.

AI coaching and video analytics.
If any of these save you a week of native work, consider sponsoring — it pays for the next one. One-off or recurring, whatever fits.