Top CODE-GENERATION GitHub Repositories & Tools (2026)

This is MCP server for Claude that gives it terminal control, file system search and diff file editing capabilities

AI-powered Storybook story generator — works with any framework, any design system, any LLM provider

Business Apps Made Simple with Asp.Net Core MVC / TypeScript

A software for laser cutters and engravers

Supercharge Swift's Codable implementations with macros meta-programming.

Instant SECURE Full Stack Apps and AI Agents

Umple: Model-Oriented Programming - embed models in code and vice versa and generate complete systems. Save yourself lots of coding. Do it collaboratively online in UmpleOnline, in an IDE or on the command line.

CasADi is a symbolic framework for numeric optimization implementing automatic differentiation in forward and reverse modes on sparse matrix-valued computational graphs. It supports self-contained C-code generation and interfaces state-of-the-art codes such as SUNDIALS, IPOPT etc. It can be used from C++, Python, Matlab/Octave, Julia or Javascript

Open-source OpenAPI mock server with cloud hosting and local modes for development, testing, and CI. Generates realistic API responses from specs with latency simulation, error injection, proxy fallback, and request validation. Validated against 2,200+ real-world OpenAPI specs.