GraphQL Semantic Output Conversion Kit - converts a cutting edge SDL file that supports semantic nullability into a more traditional SDL file legacy tools can support.

TypeScript types for RevenueCat Webhooks. Hand-crafted from their docs, with JSDoc when appropriate and nullability manually added.

Oxlint plugin for explicit nullability checks.

Vexor fork of react-native-ota-hot-update with explicit nullability fixes for React Native 0.74+.

Nullability Helpers for TypeScript

A simple utility to convert a deserialized Avro schema into a JSON structure with paths, types, and nullability information.

ESLint rule package to prevent runtime nullability issues

Alternative JavaScript/TypeScript runtime for ANTLR4

Paradox shared types

Automatic, high performance, and highly customizable GraphQL API for PostgreSQL

A markdown data dictionary generated from live Postgres by supawatch, comments sourced from the database itself.

An object-to-object mapper by convention for TypeScript.

PostGraphile v5 _meta introspection plugin — exposes a single _meta root query describing tables, fields, indexes, constraints, relations, inflection names, and smart-tag-derived metadata for dynamic query building and code generation

Generate a Pothos schema builder from a Drizzle schema, one object type per table, with each row type checked against the columns it came from.

Compile-time-checked raw SQL for TypeScript + PostgreSQL. Inspired by sqlx.

Simple Pagination for Node.

An ESLint plugin to catch mistakes if the TypeORM column types and TypeScript types aren't consistent.

To install dependencies:

Generate beautiful Mermaid ERD diagrams and markdown documentation from your Supabase database.types.ts file

Versioned, inert application manifest contracts for the Doxa framework.