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Open Source

The .NET libraries that power Oproto — and yours to use too.

We build and maintain open source tools for AWS and .NET developers. These libraries form the foundation of Oproto's architecture and are available for everyone under permissive licenses.

FluentDynamoDB logo

FluentDynamoDB

v0.8.0

A fluent, AoT-compatible C# interface for DynamoDB

The most comprehensive .NET library for Amazon DynamoDB. Write type-safe queries using C# lambda expressions with full IntelliSense support. Source generators eliminate reflection for Native AOT compatibility.

Type-Safe Queries

Write DynamoDB queries using C# lambda expressions with full IntelliSense support.

Fluent API

Compile-time source generation creates clean, expressive repository patterns.

AoT-Compatible Runtime

Zero-reflection execution. Fully Native AOT compatible. Smaller, faster deployments.

Enterprise Features

Built-in support for KMS encryption, S3-backed objects, geospatial search, and streams.

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LambdaOpenAPI logo

LambdaOpenAPI

Production Ready

Generate OpenAPI specs from AWS Lambda Annotations

Define your API with simple C# attributes and get a complete OpenAPI (OAS 3.x) document at build time. No manual YAML, no drift, and no runtime cost.

Attribute-Driven API Definitions

Define your entire API surface using simple C# attributes. Lambda routes, inputs, outputs, and errors stay clean, discoverable, and strongly typed.

Automatic OpenAPI Generation

Your OpenAPI (OAS 3.x) file is generated at build time — no manual YAML, no drift, and no runtime cost.

AoT-Compatible Runtime

Fully Native AOT-ready. Zero reflection and zero runtime scanning make your Lambda functions cold-start fast.

λ

First-Class AWS Lambda Support

Designed around AWS Lambda Annotations and the Lambda programming model. Your existing functions become complete OpenAPI operations instantly.

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LambdaGraphQL logo

LambdaGraphQL

Coming Soon

GraphQL schema generator for AWS AppSync

Build type-safe GraphQL APIs with .NET. Generate schemas and process queries for AWS AppSync with full C# type safety.

Schema Generation

Generate GraphQL schemas directly from your C# types and attributes.

Type-Safe Resolvers

Write resolvers with full C# type safety and IntelliSense support.

AoT-Compatible

Native AOT ready with zero reflection at runtime.

AppSync Integration

First-class support for AWS AppSync and Lambda resolvers.

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