Open-source alternatives to Sourcery

Plop is a template-based code generator and interactive command-line scaffolding tool. It functions as a file system automation engine that uses a pipeline of prompt-driven tasks and regular expression replacements to generate and modify codebase structures. The framework combines Handlebars templates with interactive terminal prompts to automate boilerplate code generation. It allows for the enforcement of codebase patterns through shared generators and provides the ability to embed the engine into custom command-line tools. The system covers the creation of project files from templates and

Zheng is a Spring Boot microservices framework and enterprise J2EE development platform. It functions as a distributed service gateway and identity provider, providing a foundation for building complex business applications and microservices infrastructure. The project includes a comprehensive enterprise content management system and an OAuth2 identity provider for managing single sign-on and third-party social login integrations. It also features a MyBatis ORM code generator that automatically creates database models and boilerplate functions from existing tables. The platform covers a broa

This project is a Spring Boot API starter kit and RESTful project skeleton designed for building backend services. It provides a foundational codebase that implements a layered service architecture and standardized directory structures to organize controllers, services, and data mappers. The project features a MyBatis CRUD boilerplate generator that automates the creation of models and controllers from database tables using customizable templates. It includes a security framework for protecting endpoints via interface signature authentication to verify user identity and request authorization.

go-tools is a collection of utilities for Go static analysis and memory layout optimization. It provides a toolset designed to analyze source code to detect bugs and dead code, alongside specialized tools for optimizing how structs are arranged in memory. The project includes a memory alignment visualizer to display physical memory layouts and padding, as well as a struct layout optimizer that reorders fields to minimize memory padding. Additionally, it provides a boilerplate generator to automate the creation of registration and test files required for developing custom Go analyzers. The to

NSwag is a toolchain for the .NET ecosystem designed to automate the generation of API documentation, server controllers, and typed client proxies from OpenAPI contracts. It functions as a contract-first API tool that enables the creation of server-side boilerplate and client libraries based on predefined specifications. The suite distinguishes itself through its ability to extract OpenAPI specifications from existing ASP.NET Core code via reflection and its capacity to generate type-safe TypeScript client proxies. It also provides an interactive documentation server that hosts and renders th

Prek is a Git hook manager written in Rust that runs configured hooks as a single binary without requiring Python or other external runtimes. It executes hooks faster than standard tools through parallel processing and bundled Rust implementations, and includes a built-in hook repository that enables fully offline operation without network access or environment setup. The tool supports both TOML and YAML configuration formats with identical semantics, and can run hooks from existing pre-commit configuration files without modification. Prek distinguishes itself through workspace-aware monorepo

Rainfrog is a terminal-based database client that connects to multiple database engines, combining schema browsing, interactive SQL query execution, and inline data editing into a single terminal interface. It provides a tree navigator for exploring tables, columns, and indexes, and an inline cell editor that automatically constructs and executes the necessary UPDATE statements when a cell value is changed. The application also supports modal Vim-style keyboard shortcuts for cursor movement and editing, making it usable entirely from the keyboard. Query results are fetched in chunks and pagin

Doxygen is a source code documentation generator and multi-language API reference tool. It extracts annotated comments from source code to create structured technical manuals and searchable software libraries in formats including HTML, LaTeX, and PDF. The project functions as a static code analysis visualizer, generating call graphs, class diagrams, and inheritance hierarchies to illustrate codebase structure. It also serves as an XML documentation export engine, producing structured metadata that can be transformed via XSLT or third-party tools. Beyond API extraction, the tool provides a Ma

Quarkus is a Kubernetes-native Java framework designed for building high-performance, memory-efficient applications. It utilizes ahead-of-time native compilation to transform Java code into standalone, optimized binaries that eliminate the need for a virtual machine, enabling rapid startup and reduced memory consumption. By performing code augmentation during the build phase, it shifts heavy processing tasks away from runtime, ensuring that applications are optimized for cloud-native environments. The framework distinguishes itself through a unified approach to reactive and imperative program

Periphery is a static analysis tool and dead code detector for Swift projects. It identifies unreferenced classes, structs, functions, and properties, and serves as an API surface optimizer to find public declarations that can be restricted to internal access. The tool includes specialized scanning for Interface Builder files, such as storyboards and XIBs, to ensure UI-connected members are not incorrectly flagged as unused. It also provides automated code removal to eliminate identified dead code and unused parameters directly from source files. Its analysis capabilities cover the detection

The Swift OpenAPI Generator is a build-time tool that produces type-safe Swift client and server code directly from OpenAPI specification documents. By integrating with build systems through native plugins, it automates the creation of strongly-typed interfaces and protocol stubs that map network operations to native methods, ensuring that application code remains strictly consistent with defined data schemas. The project distinguishes itself through a protocol-oriented architecture that decouples business logic from specific transport implementations. It utilizes a pluggable transport layer

Jeesite is a full-stack low-code development framework designed for building enterprise administrative portals using Spring Boot, MyBatis, and Vue. It functions as a comprehensive platform for creating administrative dashboards with integrated role-based access control and organizational data permission systems. The framework distinguishes itself through a combination of automated CRUD code generation and an integrated RAG platform that connects large language models to enterprise data via vector stores. It further incorporates a BPMN-based workflow engine to automate complex business process

SwiftGen is a tool that creates strongly typed Swift references for assets, strings, and storyboards to eliminate manual string-based APIs. It functions as a code generator that maps localization keys, static assets, and data models into typed source code using a template-based engine. The project uses custom templates to define the exact structure and syntax of the generated code. This allows the generated output to match specific project conventions while providing a flexible system for mapping translation keys and converting local files, colors, and fonts into typed constants. The tool co

Mometa is an AST-based visual code editor and low-code metaprogramming tool. It provides a visual interface for modifying source code through abstract syntax tree manipulation, allowing for the insertion and deletion of code blocks via drag-and-drop actions. The project distinguishes itself through a visual source mapping system that links rendered DOM elements back to their original source code positions. It utilizes a real-time synchronization system and hot module replacement workflow to update application components in the browser without requiring a full page reload. The platform covers

VVDocumenter-Xcode is an IDE documentation workflow tool and automation utility for the Xcode environment. It serves as a documentation generator that automatically creates structured comment blocks for Swift source code by extracting parameters and return values. The tool functions as a commenting assistant that reduces manual typing through the use of a custom trigger sequence. It identifies method signatures and metadata to inject standardized documentation headers directly into the editor. The system covers static source analysis and template-based block generation to ensure a consistent

Tkinter-Designer is a tool for converting Figma design files into executable Python source code and visual assets. It automates the transformation of visual design layouts into functional Tkinter source code to facilitate the creation of desktop application prototypes. The project converts Figma design URLs and API tokens into functional interfaces, processing individual design frames as independent views. This enables the generation of multi-screen applications with navigation logic to move between different layouts. The generated output uses a class-based architecture to organize screens,

samplemod is a project scaffold generator and directory templater designed to automate the creation of initial folder layouts and essential files for new software developments. It functions as a Python project bootstrapper that generates standardized directory structures and configuration files to organize source code, tests, and documentation. The utility employs configuration-driven scaffolding and file-system blueprinting to derive project layouts from user-defined parameters. It uses template-based code generation and static asset injection to populate new projects with baseline files, su

Sinon is a JavaScript test double library and mocking framework used to isolate code and verify behavior during unit testing. It provides a collection of spies, stubs, and mocks that replace real function implementations and object methods with controlled substitutes. The project includes a specialized fake timer library for overriding the system clock, allowing the simulation of time progression to trigger timeouts and intervals without waiting for real-time delays. It also features a test sandbox mechanism to group multiple fakes together, ensuring the original state is restored between tes

Rekit is a development toolkit for building scalable web applications, providing a modular framework and automated project scaffolding. It functions as an extensible environment for managing the architecture of applications built with React, Redux, and React Router, utilizing a feature-sliced design to organize components, state logic, and routing into decoupled, domain-specific modules. The toolkit distinguishes itself through a plugin-based extensibility system that allows for the creation of custom project element types and the modification of default scaffolding behaviors. It features a R

The Angular Command Line Interface is a tool for initializing, scaffolding, and managing the development lifecycle of Angular web applications from a terminal. It functions as a project manager and frontend build toolchain, providing a standardized way to bootstrap new applications and manage their overall health and configuration. The tool employs schematic-based code generation to create standardized project structures and components. It utilizes a workspace-based configuration to manage multiple related applications and libraries within a single shared root and dependency tree. The system

docker-gen is a configuration generator that renders text templates into files using metadata retrieved from Docker containers. It functions as a service discovery tool and template-based orchestrator, mapping container state and environment variables to specific destination paths on a host machine's local storage. The tool automates the update of reverse proxy and service discovery settings in real time as containers are started, stopped, or renamed. It employs sequential template processing and helper functions to filter and sort container data, ensuring stable and consistent configuration

create-better-t-stack is a full-stack boilerplate generator and TypeScript project scaffolder. It functions as an interactive CLI stack builder that automates the initialization of development environments by combining specific frontend, backend, database, and API technologies. The system operates as a type-safe boilerplate engine, using a configuration mapper to ensure end-to-end type safety across the entire application architecture. It utilizes a visual interface and prompt-based configuration to help users select compatible runtimes and libraries, which the tool then translates into a cus

WTM is a development framework for building enterprise server and client applications using .NET Core. It functions as a rapid application development tool that provides a set of generators and wizards to automate the creation of project structures and boilerplate code. The framework includes a low-code UI builder that utilizes a shared library of controls to construct forms, grids, and dialogs across multiple frontend libraries. It further automates development through template-based code generation and a configuration-driven project bootstrapping wizard. The system handles enterprise data

This project is a command-line utility designed to automate the initialization and scaffolding of web applications. It establishes a standardized directory structure and generates the necessary boilerplate configuration files required to bootstrap a new server environment. The tool distinguishes itself by offering customizable project generation, allowing users to select specific view engines and stylesheet preprocessors during the setup process. It dynamically updates dependency manifests and configures version control ignore files to ensure the resulting environment is ready for immediate d

xo is a tool for generating type-safe Go models and query execution code from SQL database schemas and queries. It functions as a multi-dialect SQL tool supporting PostgreSQL, MySQL, SQLite, Oracle, and Microsoft SQL Server to produce idiomatic source code. The project uses a template-based generation system, allowing the structure and logic of the generated database source code to be defined through customizable text templates. It also includes a database schema visualizer that analyzes table relationships and definitions to create visual diagrams and structured documentation. The tool's ca

This project is a project scaffolding engine and template-based code generator. It provides a modular project template library and a command-line tool designed to generate standardized directory structures and configuration files from reusable skeletons. The system uses variable injection and custom delimiters to render project skeletons into concrete files. It includes a mechanism for synchronizing shared template collections via version control repositories and a utility for uploading generated files and secrets to remote hosts using secure shell protocols. The tool covers automated projec

Screw is a database schema analysis tool used to automatically produce technical documentation and Java data objects. It scans database tables to export their definitions, transforming schema metadata into structured reports and application code. The project generates plain Java objects based on existing database table structures to automate data modeling. It also produces database schema documentation in HTML, Word, and Markdown formats. The system includes capabilities for table export filtering using name patterns, JDBC-based schema extraction, and template-based code generation to map da