Open-source alternatives to Content Generator Sketch Plugin

This project is a lightweight C string formatting library and low-level text formatter designed for embedded systems and bare-metal hardware environments. It provides a minimal formatting engine for converting numeric types and variables into formatted text using standard specifier notation in environments that lack a full C runtime or standard library. The library features a custom stream output utility that routes formatted text strings to user-defined callback functions. This allows for flexible output destinations and character-level writing, enabling formatted debug messages and logging

hogan.js is a logic-less template compiler and Mustache templating engine. It transforms static templates into executable JavaScript functions to generate data-driven strings without using conditional or looping logic. The system focuses on precompilation to eliminate parsing overhead during runtime execution. This includes a precompiled template library and a command line interface for converting template files into optimized JavaScript. The engine handles dynamic content generation through template compilation and data rendering. It supports reusable UI fragments via partials and allows fo

AngularJS Internationalization Library is a localization framework for AngularJS 1.x applications. It functions as an i18n translation tool used to swap static user interface text with localized versions based on a selected locale. The framework manages multi-language content through asynchronous loading of translation files to minimize bundle size. It includes systems for handling pluralization rules and interpolating dynamic variables into translation strings. The project also provides capabilities for language switching and fallback-chain resolution to ensure a readable string is displaye

Popcorn Desktop is a multi-platform video aggregator and BitTorrent media streamer that provides a unified interface for watching movies and television series. It functions as a local media player capable of rendering video files stored directly on the host file system. The application distinguishes itself by acting as a content dataset publisher, exporting large movie and series catalogs in columnar formats to facilitate analysis by external researchers. Its broader capabilities include aggregated content federation and stream routing across multiple platforms, allowing for the integration

Polyglot.js is a JavaScript internationalization library and client-side translation framework. It provides a system for mapping unique keys to localized strings, allowing applications to translate text into multiple languages. The library includes a pluralization and interpolation engine that handles complex grammatical plural forms based on numeric counts and inserts dynamic variables into translated strings. It supports nested namespaces to organize phrase mappings into logical categories. These utilities cover phrase translation, locale-driven configuration, and the management of multi-l

This project is a Git commit standardization tool and semantic commit generator. It serves as an assistant to align code changes with semantic versioning by enforcing a consistent commit structure and formatting rules. The utility uses interactive prompts to gather user input, which it then validates against semantic categories and interpolates into predefined templates. This process automates the generation of standardized messages, ensuring that each commit follows a specific format to improve project history and traceability. The system also handles commit metadata structuring, including

Tera is a server-side rendering engine and template engine for Rust. It is designed to generate dynamic text by injecting data into predefined template files, utilizing a syntax compatible with Jinja2 and Django. The engine supports a variety of text generation tasks, including the creation of web pages via HTML rendering, the automation of email templates, and the production of environment-specific configuration files.

Screenbox is a media player application designed for playing local and network video files. It functions as a network media streamer and a video casting client, enabling the browsing and streaming of media over a local network or to external remote viewing devices. The application features a picture-in-picture mode that detaches video content into a floating window that remains on top of other applications. It also supports gesture-based playback control, allowing users to seek through content and adjust volume levels using mouse or touch gestures. Additional capabilities include video frame

Mimesis is a Python synthetic data generator used to create realistic fake datasets and mock data for software testing and development. It functions as a schema-based dataset generator capable of producing structured records and relational datasets, while also serving as a production data anonymizer to replace sensitive information with synthetic values. The library distinguishes itself through comprehensive multilingual support, allowing for the generation of locale-specific information to simulate regional user profiles. It ensures reproducibility through deterministic data generation using

pdfme is a schema-based PDF generation engine and dynamic document builder. It provides a system for producing PDF documents by merging predefined templates with dynamic input data across different runtime environments. The project includes a browser-based WYSIWYG PDF editor and template designer, allowing for the arrangement of elements via a drag-and-drop interface. It distinguishes itself through a plugin-based architecture that enables schema extensions and custom rendering logic for new content types. The capability surface covers dynamic content generation, including variable placehold

Aidoku is a manga reader application and digital library manager. It serves as a modular content aggregator that allows users to discover, download, and read manga from various third-party sources and local files. The application utilizes a modular source plugin system to integrate external provider packages, enabling the ingestion of content from multiple third-party sources. It includes a sync engine that communicates with external tracking APIs to maintain consistent reading progress across different platforms. The system covers manga library management, including the ability to search fo

Radash is a TypeScript functional utility library designed for data transformation, validation, and workflow management. It provides a collection of typed helper functions to manipulate arrays, objects, and strings. The project features an asynchronous workflow toolkit for managing promises, retries, and concurrency limits, alongside a suite of boolean validators for verifying primitive types, objects, and promises. It also implements functional programming patterns such as function composition, partial application, and error-first response patterns. The library covers a broad surface of cap

Bogus is a fake data generator for .NET applications, including C#, F#, and VB.NET. It provides a deterministic mock data engine and an object configuration mapper to produce realistic profiles, addresses, and financial records. The library differentiates itself through a localization data provider that generates region-specific identifiers across various international languages and locales. It ensures reproducibility across executions by using seed values to control the sequence of generated data. The project covers wide-ranging data synthesis capabilities, including the generation of netwo

gofakeit is a Go library for creating realistic synthetic datasets and populating Go structs with mock information. It functions as a deterministic data generator, allowing for seedable random number generation to ensure reproducible datasets for software testing. The project distinguishes itself by providing a mock data API server that exposes generation functions as HTTP endpoints and a synthetic dataset exporter for producing files in CSV, JSON, and XML formats. It also includes a command-line interface for generating mock data directly from the terminal. The library covers a wide array o

This project provides a collection of coordinated color themes and visual presets for the tmux terminal multiplexer. It is designed to standardize the interface appearance by styling the status bar and window borders through a set of curated color palettes. The system enables comprehensive interface customization, allowing for the modification of window tabs and the application of visual styles to system metric displays. It includes a management system for switching between distinct visual presets to maintain a consistent aesthetic across the terminal workspace. The project covers the config

This project is a web-based graphic design editor and online poster designer. It provides a browser-based environment for creating professional visual layouts, e-commerce graphics, and social media covers using a canvas with drag-and-drop elements. The toolkit includes a specialized PSD template converter that parses Photoshop design files into editable web templates. It also features a custom QR code generator capable of producing styled codes with gradients and embedded logos, alongside a browser-based image manipulation tool for cropping assets and removing backgrounds. The editor covers

Java-faker is a synthetic data generator and mock data library for Java applications. It provides utilities to create randomized, believable fake records such as names and addresses to populate test environments and verify application logic without using real user information. The library specializes in localized data generation, producing synthetic content tailored to specific languages and regional formats. This allows for the verification of application accuracy across different global locales. The tool covers broad capabilities for automated testing mocking, including the generation of m

thiserror is a Rust error handling library and procedural macro designed to define custom error types. It functions as a trait implementation automator that generates the necessary code for standard library error traits at compile time. The library focuses on eliminating boilerplate by using derive macros to automatically implement display and source methods. It allows for the creation of custom error structs and enums that can map low-level errors to high-level variants while preserving the original cause and backtrace information. Its capabilities cover custom error formatting through temp

koro1FileHeader is a VSCode extension designed to automatically generate and update standardized comment blocks at the top of source files. It serves as a file metadata manager and automated code documenter that tracks authorship, modification times, and file paths directly within the code upon saving. The tool synchronizes author names and email addresses from local Git configurations to populate header fields. It also features a source code comment decorator capable of inserting decorative comment art and visual patterns to organize code sections. The extension covers a broad range of capa

epub.js is a JavaScript library for parsing and displaying EPUB files within a web browser. It functions as a digital publication layout engine and rendering library that enables the creation of browser-based eBook readers with support for both paginated spreads and continuous scrolling. The project provides a specialized framework for interactive eBook annotation and precise location tracking. It uses Content Fragment Identifiers to represent text positions as unique strings, allowing for stable bookmarking, text highlighting, and note-taking. The library covers a broad range of capabilitie

bash-git-prompt is a Bash shell extension and prompt customizer that integrates real-time Git status indicators directly into the terminal. It functions as a shell theme that displays branch names, commit divergence, and file status markers within the command line interface. The project distinguishes itself through a hierarchical configuration system that allows for directory-specific overrides of global settings. It includes performance tuning options to maintain shell responsiveness in large repositories by selectively disabling expensive operations such as remote fetching or untracked file

Faker is a Python library designed to generate realistic synthetic data for software testing, database prototyping, and privacy-preserving anonymization. It provides a comprehensive suite of tools to create diverse information types, including personal identities, financial records, geographic locations, and technical system metadata, allowing developers to populate environments with mock data that mimics real-world structures. The library is built on a modular provider architecture that supports dynamic method dispatch, enabling users to extend functionality by registering custom data genera

⚠️ 19 August 2019: This plugin is no longer maintained and does not work with Sketch 50+

sketch-measure is a design specification tool and design-to-code annotation utility for Sketch. It functions as an HTML design spec generator and asset export manager, creating technical handoff documentation and measurement annotations directly from design files. The tool generates interactive web viewers and standalone offline HTML pages that allow for the inspection of dimensions, styles, and design details. It includes capabilities for managing color palettes via XML export and capturing influence rectangles to ensure exported image dimensions account for shadows and borders. The system

This project is a self-hosted media server for organizing, streaming, and tracking anime and manga collections. It functions as a BitTorrent streaming client that allows video content to be played directly from torrents and cloud storage, a manga reader and tracker, and a media processing system using hardware-accelerated transcoding to ensure browser compatibility. The system distinguishes itself through synchronized media viewing, enabling users to host watch parties by coordinating playback in real time across multiple devices. It also features an extensible framework with a JavaScript-bas

huashu-design is a design system infrastructure and a set of specialized design engines for high-fidelity HTML prototyping, quality evaluation, and presentation conversion. It provides tools for generating interactive single-file HTML mockups, frame-based motion design, and a visual evaluator that analyzes design quality across five dimensions using radar charts. The system distinguishes itself through a translation pipeline that converts HTML slide decks into editable PowerPoint and PDF objects rather than flat images. It includes a motion design engine that uses a time-slice model to render