Open source. Open possibilities.

Soenneker.Flywheel.Suite is a modern background job engine for .NET, featuring Redis storage, source generators, and a live Blazor dashboard for real-time visibility.

PB-Compiler is a from-scratch C# compiler for the PowerBASIC family (including QuickBASIC and Turbo Basic). It generates authentic 16-bit DOS MZ executables with byte-identical fidelity to original compilers. Features include an SSA-based optimization pipeline, support for modern language extensions in pb36, and cross-platform execution on 64-bit hosts.

Amplication is an open-source platform for building, maintaining, and scaling backend services. It uses AI-powered automation to generate microservices with APIs, data models, and DTOs, while embedding organizational best practices into live templates.

A Kiota-generated .NET client for the Docker Hub API, distributed via NuGet. It supports bearer-token authentication, builder-style request paths under client.V2, explicit pagination, generated response and error models, and a companion package for dependency injection and cached client construction.

A .NET VST3 audio effects host based on NPlug and the ktsu ecosystem, allowing developers to create DSP effects using C# classes.

Ashlar is a local-first .NET runtime for auditable AI workflows you can embed. It offers task audit trails, a CI-proven certification gate, local model routing, and self-hosted deployment via CLI, HTTP API, containers, or NuGet.

A .NET utility that supplies a thread-safe, lazily created singleton Kiota client for the Copper CRM API, with DI registration helpers and configuration for API key, token-owner email, application and base URL.

Nakama is an open-source game backend server from Heroic Labs. It provides users, storage, social graph, chat, realtime and turn-based multiplayer, leaderboards, tournaments, parties, purchase validation, notifications and runtime code.

Read-only-by-default Model Context Protocol (MCP) server for Microsoft SQL Server, providing metadata discovery, parameterized SELECT-only queries, execution plan analysis for slow query diagnosis, profile-based multi-connection configuration, and optional per-profile write access, shipped as a .NET NuGet tool.

A transport-agnostic OAuth 2.1 and OpenID Connect server built on OpenIddict and redb.Route, supporting multiple databases, MFA, WebAuthn, SCIM, and in-process direct-vm calls.

Soenneker.Loops.Contacts is a .NET utility library for managing Loops contacts by email. It provides create, update, find, and delete operations, configuration through a Loops API key, and scoped or singleton dependency injection registration.

A .NET library for multi-tenant SQLite: per-tenant file isolation or shared-schema scoping, integrity checks across tenants, tenant context helpers, rate limiting and error middleware validation, plus settings and JSON utilities.