Open Source Design Editor

OpenPencil.dev is a lightweight, open-source desktop design editor that runs locally with full Figma file support. It offers scriptable workflows and an optional AI chat tool, prioritizing developer control and extensibility under the MIT license.

PenPot.app is an open-source design platform for creating UI, wireframes, and interactive prototypes with CSS Grid and Flexbox layouts. It features AI-driven workflows for design-to-code automation, design systems management, and self-hosted deployment for enterprise control.

PseudoEditor is a web‑based pseudocode IDE with syntax highlighting, error detection, auto‑completion, and instant compilation. Cloud‑stored projects are accessible from any device. It supports AQA, OCR, CIE, Edexcel, and IB specifications, helping students and teachers practice algorithms.

Cursor is an AI-powered code editor that utilizes natural language prompts for efficient coding. It streamlines workflows with features like predictive edits, one-click extensions, and privacy mode, enhancing developer productivity while maintaining a secure environment.

GitHub Copilot is an AI pair programmer that uses the OpenAI Codex to suggest code and entire functions in real-time.

EdrawMax Online is a cloud diagramming platform with 210+ diagram types, including flowcharts, UML, and Gantt charts. It offers drag‑and‑drop editing, real‑time collaboration, 20,000 free templates, 26,000 symbols, and AI tools for diagram, chart, and PPT generation, OCR, and copy‑writing.

Replit is a collaborative browser-based IDE with AI-powered tools for software development, real-time multiplayer editing and deployment, templates and tutorials, and hosting and monetization options.

Edraw Software is a versatile diagramming tool that enables users to create flowcharts, mind maps, and organizational charts with ease. Its drag-and-drop functionality, collaboration features, and support for multiple file formats enhance productivity and integration.

Editor.do is a real‑time IDE, hosting, and SSL platform for static sites. It supports any language, drag‑and‑drop design, AI code assistance, instant deployment, daily NVMe backups, custom domains, unlimited traffic, and multi‑project management.

CodeDesign.ai is an AI‑powered website builder that creates complete pages, copy, and layouts from prompts, allowing visual fine‑tuning. It offers cloud publishing, WordPress sync, clean code export, SSL, analytics, backups, and responsive design.

MermaidViewer is a browser-based Mermaid diagram editor with live preview, supporting a wide range of chart types. It features AI-assisted code generation, real-time collaboration, and export options for team documentation workflows.

JDoodle is a free online coding platform supporting over 100 programming languages. It offers features like live coding sessions, smart code suggestions, debugging tools, and LMS integration, enhancing the coding experience for developers, educators, and students.

XAML.io is a web-based tool for generating and editing XAML code, offering syntax highlighting, real-time error checking, and drag-and-drop UI design. It facilitates collaboration and integrates with various development environments to enhance productivity.

Windsurf is an AI coding tool that enhances developer workflows with features like Cascade for code understanding, real-time error detection, integrated IDE plugins, and collaboration tools, enabling efficient coding, debugging, and project management.

Codemia is an interactive learning platform for engineers, offering 120+ system‑design challenges, 200+ visualized data‑structure problems, 20 UML‑based OOP exercises, live mock interview sessions, and AI analytics to pinpoint improvement areas.

ImageEditor.ai is an AI-powered image editor used for interior design projects and can be controlled using verbal commands.

DesignEvo is an online logo maker featuring over 10,000 templates for branding, social media, apps, and print. Users customize with a vast icon library, 100+ fonts, multiple colors, and drag‑and‑drop editing, then export JPG, PNG, SVG, PDF.

Sprite Fusion is a free and easy-to-use online 2D game design editor that allows you to create beautiful tilemaps right in your browser. With its fast integration with game engines, you can quickly design levels with a focus on art direction and simplicity.

Generates AI-driven UI designs, editable interface pages and interactive prototypes from text or images, producing responsive web and native iOS/Android layouts plus one-click front-end code (React, Android Java, iOS Swift) for rapid prototyping and handoff.

OpenArt is an AI art generator that provides powerful tools for you to generate and edit images, especially artist assets, that you can directly use and edit to improve.

Open Apps is an open-source app directory that offers a curated selection of free alternatives to popular software tools, enabling users to find quality open-source solutions across various categories for development and productivity needs.

Sleek generates mobile app mockups from text prompts or images, offering templates, style presets, in-app editing, and modular responsive components. Export clean layouts to Figma or production-ready code for rapid prototyping and developer handoff.

Aider is an AI-powered pair programming tool that helps developers collaborate with LLMs for editing, refactoring, and debugging code within Git repositories. It supports multiple languages and integrates with IDEs and editors for real-time updates.

Xmind generates AI-powered mind maps and summaries from Markdown, DOC, OPML and TextBundle files, converts documents into SOPs, and provides real-time collaboration, cross-platform apps, integrations, and enterprise controls for team planning, documentation, and process design.

Genspark unifies inbox, workflows, and collaboration into one AI workspace, offering a 1‑million‑token context window, voice‑to‑text, auto‑meeting notes, and Chrome extensions for instant summarization and task automation across WhatsApp, Slack, and Teams.

OpenCreator is a generative AI workstation that integrates over 20 AI models for efficient content creation. With an intuitive interface, it enables quick visual production for various applications, including marketing and education, while simplifying the creative process.

Supernova.io is an AI collaborative workspace enabling product teams to prototype, manage design systems, sync tokens, convert Figma prototypes into production-ready components and code, and maintain searchable documentation, governance, and integrations for cross-team alignment.

Visily is an AI‑powered UI design tool that lets users create wireframes, mockups, and prototypes via drag‑and‑drop, generate designs from text, convert screenshots, auto‑apply UI patterns, and support real‑time collaboration and Figma integration.

CodeViz automatically scans codebases in major languages to generate editable, versioned architecture diagrams. Teams view end‑to‑end workflows, API routes, and data flows, embed them in Git, Jira, Slack, or Figma, and sync branch‑specific designs for faster reviews and deployments.

Coddy.Tech offers free interactive coding lessons across many languages and AI prompt engineering, featuring an in‑browser editor, streak tracking, achievements, AI debugging, a community leaderboard, and certificates for LinkedIn. It runs on iOS, Android, and web.

Mckp.live offers a Figma plugin and online editor with over 4,000 editable mockups, including device, branding, print, animated and illustration templates. Designers can replace artwork, adjust layouts, preview across devices, use presets and download assets.

Edraw.ai is an AI-driven platform for visual collaboration, offering a variety of diagram types and real-time editing. It enhances productivity by facilitating teamwork, streamlining workflows, and improving visual documentation across diverse industries.

WeWeb is a no-code AI platform for building and customizing web apps with a drag-and-drop editor, requiring no coding skills. It accelerates development and deployment with AI-powered tools and workspace-based project management.

Octopus.do builds visual sitemaps by importing URLs, letting users organize site architecture and outline pages. It supports team collaboration, Figma integration, AI‑assisted content planning, SEO analysis, wireframing, and project estimation, with export options for easy deployment.

OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.

Openkoda is an open‑source insurtech platform providing modular templates for claims, policy, and embedded insurance. It offers AI analytics, automated documents, role‑based access, multi‑tenant clustering, and API hooks for rapid, scalable development without vendor lock‑in.

SciDraw AI is a scientific illustration and data visualization tool that converts text prompts, sketches, or images into publication-ready figures. It generates editable SVG/PPTX exports, data-driven charts from CSV/Excel, and supports journal style presets and colorblind-friendly palettes for repro

Termdock is a terminal-centric AI development environment that consolidates multi-workspace, multi-terminal workflows with resizable windows and picture-in-picture monitoring, AST-driven code analysis across 13+ languages, drag-and-drop CLI inputs, unified caching, search, and Git visualizations.

Glitch is an online code editor and hosting platform for building, editing, and deploying web apps, offering real-time collaboration, live preview, instant deployments, templates and remixing, version history and logs, community resources, and edge hosting for low-latency apps.

OpenAI Codex CLI is a terminal-based, open-source coding agent that uses natural language to automate development tasks like code generation, testing, refactoring, and codebase understanding, with secure sandboxed execution and Git integration.

Nimbalyst is an open-source visual workspace facilitating seamless collaboration with AI coding agents like Claude Code and Codex. It provides a centralized environment for managing agent sessions, tasks, and files through a visual editor and real-time AI diff review.

Claude Code is an AI-powered coding assistant that operates within the terminal, automating tasks like editing files, fixing bugs, executing tests, and managing git workflows. It enhances developer productivity through natural language commands and real-time support.

Design Buddy evaluates layouts, color, typography, and accessibility in Figma, Canva, and Adobe Express, delivering actionable feedback. Designed for non‑designers such as marketing teams and product managers, it reduces revision cycles and boosts confidence in visual assets.

Piny is a visual editing tool for developers using Astro, React, Next.js, and Tailwind CSS. It features intuitive styling, code reflection, a Tailwind class inspector, component navigation, and an AI-powered drag-and-drop interface for efficient UI creation.

Web Design Using AI generates website designs with artificial intelligence.

Tempo AI streamlines React application development with a drag-and-drop interface. It supports component imports from Storybook, custom library creation, and integrates with Visual Studio Code and GitHub for improved collaboration and version control.

Copycoder is an AI design tool that allows users to clone websites by entering a URL, edit designs with plain language, and export responsive HTML/CSS code, streamlining UI design and code generation for applications.

UX Pilot is an AI-powered UX/UI design tool that accelerates the design process, enabling users to create high-fidelity UI designs and wireframes in seconds. It integrates with Figma, streamlining UI generation, iteration, and design-to-development handoff.

Tempo AI blends a drag‑and‑drop visual editor with a code‑centric workflow, letting designers tweak React components and styles in the browser while developers edit code locally. It imports codebases, creates design‑system libraries, and auto‑generates architecture diagrams, snippets, and brand styl

Bolt.new is an AI-powered development agent that allows users to build, edit, run, and deploy full-stack applications directly from their browser without local setup. It provides complete control over the development environment, making web development seamless and AI-driven.