Open-source alternatives to Pixelorama

Storyboarder is digital storyboarding software and a film preproduction tool used to sketch visual sequences and time story beats for animation and film production. It functions as a drawing application for prototyping visual narratives, providing a sketching environment to convert written scripts into visual frames for organizing camera shots and production planning. The project acts as a production pipeline bridge and digital asset pipeline, utilizing a real-time file-system watcher to sync drawing frames with external image editors. This allows the workspace to automatically update frames

Pinta is a cross-platform raster graphics editor and digital image manipulation tool. It provides a drawing environment for creating pixel-based artwork and editing photographs, utilizing a layer-based image model to organize visual components into a stack for non-destructive composition. The application is built with a GTK-based interface and features a plugin-based extension system that allows for the addition of new editing tools and filters. Its capabilities cover digital drawing workflows using various brushes and pencils, image geometry manipulation such as cropping and resizing, and v

Lorien is a cross-platform vector drawing application built with Godot. It functions as a vector graphics editor and a pressure-sensitive sketchbook for creating freehand drawings and geometric shapes. The application features an infinite canvas whiteboard with a boundless workspace, infinite zoom, and coordinate grids. It supports drawing tablets through pressure sensitivity to vary stroke thickness and opacity, and it includes a system for exporting drawings into the standardized SVG format. The software provides tools for vector sketch creation and brush stroke editing, managed via a comm

Piskel is a web-based graphics tool and pixel art editor designed for creating static sprites and frame-by-frame animations. It functions as an animated sprite creator that produces single frames and sprite sheets with adjustable scaling and layout. The project provides a grid-based interface for producing digital art and game assets. It supports both the creation of animated sequences for game characters and the design of static images tailored for game engines. The tool includes capabilities for layer-based composition and frame-based animation sequencing. It also offers a standalone deskt

DiceBear is an SVG avatar generation library and image API that creates deterministic profile pictures from seed strings. It provides a system for generating consistent visual outputs across different environments and programming languages using JSON style definitions. The project distinguishes itself with a comprehensive design toolkit, including a visual style designer and a Figma integration plugin that converts design frames into JSON schemas. It supports sophisticated visual control through weighted probability distributions for components, contrast-aware color management for accessibili

tsparticles is a JavaScript particle animation library and configuration-driven visual effects engine used to create customizable effects, confetti, and interactive backgrounds using HTML5 Canvas. It functions as a plugin-based graphics engine and a web component animation engine, allowing for the generation of complex behaviors and themes through structured JSON configuration objects. The project provides a cross-framework animation wrapper with dedicated compatible components for integrating effects into React, Vue, Angular, and Svelte. Its modular architecture allows users to extend the en

Aseprite is a specialized graphics editor and animation suite designed for the creation of pixel-based artwork. It provides a comprehensive environment for managing multi-layered animation sequences, offering tools for frame-by-frame design, onion skinning, and real-time motion previews. The application is built to handle both indexed color palettes and full-color RGB editing, allowing users to maintain precise control over pixel data and transparency. What distinguishes Aseprite is its focus on programmable workflows and game asset production. It features a scriptable command architecture th

This project is a web-based rich text editor designed for markdown content authoring. It provides a dual-mode interface that synchronizes raw markdown syntax with a visual WYSIWYG editing experience, allowing users to toggle between modes while maintaining a consistent document state. The editor distinguishes itself through a modular architecture that supports custom content blocks and plugin extensions. This system enables the integration of specialized features such as code syntax highlighting, chart rendering, diagram generation, and complex table formatting. It also includes a live previe

LiteIDE is a cross-platform integrated development environment designed for writing, compiling, and debugging Go source code. It functions as both a code editor with syntax highlighting and a build tool orchestrator that manages toolchains, environment profiles, and cross-compilation targets. The environment is modular and extensible, supporting third-party plugins and custom keyboard mapping to tailor the coding workflow. It provides an integrated interface for external debuggers to inspect program execution and state. The platform covers a broad range of development capabilities, including

Navidrome is a self-hosted music streaming server designed to organize, index, and stream personal digital music collections. It functions as a centralized audio streaming platform that manages local audio files, automatically enriching them with metadata and artwork while providing a web interface for playback. The system supports multi-user access, allowing administrators to manage separate collections and listening histories with granular permissions. The platform distinguishes itself through its compatibility with the Subsonic API, enabling users to connect a wide range of third-party mus

Reactotron is a desktop-based development environment designed for inspecting, monitoring, and manipulating mobile and web applications in real time. It functions as a centralized hub that connects to a running application via a persistent WebSocket connection, allowing developers to observe internal state, network traffic, and console output without manual instrumentation. The tool distinguishes itself through a modular plugin architecture that enables custom debugging commands and specialized extensions. It provides advanced diagnostic capabilities, including the ability to overlay design m

Mise is a development environment orchestrator that manages software runtimes, environment variables, and task execution. It functions as a version manager and task runner, providing a unified interface to synchronize project-specific configurations and dependencies across different machines. By automating the installation and switching of tools, it ensures that development environments remain consistent and reproducible. The project distinguishes itself through a hierarchical configuration system that automatically discovers settings by traversing the directory tree. It uses shim-based comma

Pixel-editor is a browser-based graphics tool designed for the creation and editing of pixel art. It provides a digital drawing environment that allows users to manipulate individual pixels on a grid-based canvas to produce retro-style graphics and sprite assets directly within a web browser. The application features a local storage workspace manager that enables users to maintain a customizable creative workflow. By saving interface preferences and tool visibility settings directly to the browser, the editor allows for persistent workspace configurations tailored to specific project requirem

PixiEditor is a multi-functional graphics suite that serves as a pixel art editor, a node-based graphics editor, and a vector graphics tool. It functions as a shader-based painting tool and 2D animation software, providing a comprehensive environment for creating raster images and frame-by-frame motion. The project is distinguished by its use of node-based workflows for building complex image transformations, visual effects, and custom digital brush designs. It utilizes a shader-based brush engine and a node graph to define personalized painting tool behaviors and procedural animations. The

Grade is a JavaScript library for image color analysis and dynamic theme generation. It extracts the most prominent colors from an image to automatically generate complementary CSS gradients and coordinated color palettes for web interfaces. The tool identifies dominant colors using pixel-data analysis and applies mathematical offsets to determine matching hues. It can inject these calculated values directly into the document as CSS custom properties or export the gradient data as a raw array for custom visual implementation.

This project is a cross-editor theme library and mapper that provides a curated collection of syntax highlighting color schemes. It uses a JSON theme specification to define visual roles and color palettes as immutable data structures, ensuring these definitions remain consistent across different software output targets. The system functions as a declarative style generator, translating abstract color definitions into the specific configuration formats required by various programming environments. By using a template-based approach, it maps a single source of truth for color definitions to mu

Polished is a specialized toolkit for programmatically managing color palettes, converting CSS units, and optimizing style execution at build time. It provides a set of functions for manipulating colors, sizes, and spacing within JavaScript styles to maintain consistent visual themes. The toolset includes a color manipulation library for adjusting lightness, saturation, and transparency, as well as a CSS unit converter for calculating size values between pixels and rems. It also functions as a static style compiler that resolves static styling function calls during the build process to elimin

TIC-80 is a fantasy console platform and multi-language game engine that provides a virtual retro game development environment. It operates via a bytecode virtual machine that executes game logic within fixed memory and resolution constraints. The project distinguishes itself by offering integrated asset editors for pixel art, tile maps, and a pattern-based chiptune audio workstation all within a single environment. It supports multi-language scripting, allowing developers to write logic in Lua, JavaScript, or Ruby, and provides a standalone game exporter to package projects into native execu

Armortools is a 3D PBR texture painting suite and mesh texture workflow tool. It provides a system for painting physically based rendering materials directly onto 3D meshes using a combination of layer and mask support, a GPU-accelerated texture baker for extracting geometry data from high-polygon models, and a node-based material editor for creating procedural textures. The software features integrated neural network tools for AI texture authoring, allowing the generation of PBR maps from text prompts, image-based material extraction, and texture upscaling via local nodes. It also implements

This project is a Material Design XAML library and UI framework for building Windows desktop applications. It provides a collection of components and styles used to implement Material Design interfaces within WPF applications. The toolkit functions as a XAML styling toolkit that provides reusable styles and color swatches. This allows for the maintenance of a unified visual identity and the application of standardized primary and secondary color palettes across .NET desktop screens. The framework covers WPF UI development and XAML interface styling, facilitating the implementation of Materia

Nord is a color palette design system and standardized color reference providing curated blue-toned palettes for user interfaces, design software, and environment themes. It defines a UI color scheme consisting of dimmed pastel palettes intended for flat, minimalist aesthetics. The system functions as a cross-platform theme specification to unify the appearance of code editors, shell terminals, and operating system environments. It includes importable color swatches compatible with native formats for use in professional design tools. The project covers cross-application visual standardizatio

Dracula Theme is a universal dark color palette and cross-platform theme specification. It provides a standardized set of high-contrast colors designed to implement a unified dark aesthetic across various text editors and terminals. The project is an accessible color scheme that maintains a minimum 4.5:1 contrast ratio to meet global visual accessibility standards. It ensures a cohesive visual experience by synchronizing these colors across different operating systems and developer environments. The system utilizes a centralized color palette and static definitions to maintain consistency. I

SciencePlots is a Matplotlib style library and scientific plotting framework designed to automate the formatting of figures for academic journals and professional scientific publications. It provides a collection of visual presets and configuration rules for academic typography, layout, and resolution. The project features curated color-blind accessible palettes and figure formatters specifically designed to meet the strict submission standards of academic publishers. It includes specialized tools for professional figure styling and the rendering of non-Latin scripts for multilingual support.

This project is a CSS color utility library and palette framework designed to standardize the application of colors to text, backgrounds, and borders on the web. It provides a web color style system with predefined classes and defaults to accelerate the visual styling of web prototypes. The system utilizes skin-based color theming, allowing users to swap entire color palettes by changing top-level classes. It employs a utility class system backed by global CSS variable mapping to ensure visual harmony across different UI elements. The framework supports rapid UI prototyping and general web c

CKEditor 4 is a browser-based WYSIWYG rich text editor that enables users to create and format HTML content directly in the browser. It operates on a plugin-based architecture with a configurable toolbar system, DOM-based content editing, and an event-driven lifecycle, all delivered through a CDN-based distribution model. The editor supports skin-based theming and includes a legacy plugin compatibility layer for backward compatibility. The editor distinguishes itself as a cross-platform framework that integrates natively with Angular, React, Vue, Electron, Android, and iOS environments. It of

Albert is a keyboard launcher that opens files, applications, and runs commands by typing search queries into a search bar. It functions as a keyboard-driven workflow tool, enabling users to navigate their file system, launch installed applications, and execute shell commands without touching a mouse. The launcher processes user input through a plugin-based modular architecture, where functionality is extended by dynamically loaded C++ and Python plugins. Queries are dispatched to all enabled handlers in parallel, with results merged and ranked by a combination of match quality and historical

Countly is a self-hosted product analytics and engagement platform that tracks user behavior across mobile, web, and desktop applications. It collects and analyzes device properties, user actions, and session lifecycle data to understand engagement patterns, while also providing crash reporting, push notification delivery, and A/B testing capabilities. The platform is designed for privacy-first deployment, with built-in consent management and the ability to run entirely on private infrastructure. The platform distinguishes itself through its comprehensive feature set that combines analytics w