Code Tools

Free block-based programming platform and online community for creating interactive stories, games, and animations.

391

CodePen — Coding & STEM Learning Tool

Front-end development playground and social coding environment for HTML, CSS, JavaScript, live previews, and sharable experiments.

264

Glitch — Coding & STEM Learning Tool

Former collaborative web coding and hosting platform; now mainly a legacy reference after shutdown of hosting and core service access.

254

Snap! — Learning & Classroom Tool

Advanced blocks-based programming language from UC Berkeley for teaching real computer science concepts beyond beginner block coding.

254

Adobe Express Video — Video, Animation & Screen Recording Tool

Adobe Express Video is a browser-based video maker for editing, trimming, combining, and branding social and marketing videos quickly.

252

Trinket — Learning & Classroom Tool

Education-focused browser coding environment for Python, HTML, and shareable interactive code, but scheduled to shut down in early August 2026.

247

Blockly — Learning & Classroom Tool

Open-source blocks-based programming library for building custom visual coding editors and educational coding experiences.

246

Tinkercad — Coding & STEM Learning Tool

Free Autodesk web app for beginner-friendly 3D design, electronics simulation, and coding-based STEM projects.

231

unDraw — Design & Photo Editing Tool

unDraw provides free open-source illustrations with customizable colors for websites, apps, presentations, and products.

223

GeoGebra — Learning & Classroom Tool

Free math platform combining graphing, geometry, algebra, statistics, calculus, and classroom resources in one ecosystem.

217

Scratch Jr — Learning & Classroom Tool

Introductory coding app for ages 5-7 that teaches sequencing and logic through animated stories and games.

213

JSFiddle — Coding & STEM Learning Tool

Classic browser code playground for HTML, CSS, and JavaScript snippets, demos, experiments, and bug reproductions.

210

ClassPoint — Learning & Classroom Tool

ClassPoint is a PowerPoint teaching tool that adds live quizzes, annotation, gamification, and classroom interaction directly inside slides.

207

Framer — Website Builder & Newsletter Tool

Framer is a professional no-code and AI website builder for designing, managing, optimizing, and publishing modern sites with CMS and hosting built in.

206

Codewars — Coding & STEM Learning Tool

Codewars is a coding practice platform where developers improve by solving community-made kata in many programming languages.

205

Code.org — Coding & STEM Learning Tool

Free K–12 computer science and AI education platform with tutorials, curriculum, hands-on projects, and teacher professional development.

205

Tynker — Learning & Classroom Tool

Coding education platform for kids with block coding, Python, JavaScript, game creation, Minecraft, robotics, and STEM pathways.

204

Overleaf — Coding & STEM Learning Tool

Overleaf is an online LaTeX editor for academic and technical writing with real-time collaboration, templates, and version control.

202

CodeSandbox — Coding & STEM Learning Tool

Cloud development platform for full-stack web projects, rapid prototyping, collaboration, and shareable dev environments.

201

Fibery — Collaboration & Whiteboard Tool

Fibery is a modular work platform that connects databases, docs, whiteboards, automations, and reports into one company workspace.

200

SoloLearn — Coding & STEM Learning Tool

SoloLearn is an interactive coding learning platform with bite-size courses, hands-on practice, and a large learner community.

198

CS First — Coding & STEM Learning Tool

CS First was Google's beginner K-12 computer science program, but Google officially shut it down on June 30, 2025.

196

Mermaid Live — Mind Mapping & Diagramming Tool

Mermaid Live Editor is a text-based diagram tool for creating flowcharts and technical visuals quickly from code-like syntax.

196

Tilda — Website Builder & Newsletter Tool

Tilda is a design-oriented no-code website builder for landing pages, websites, blogs, stores, and editorials using block-based layouts and AI help.

196

Microsoft MakeCode — Coding & STEM Learning Tool

Microsoft MakeCode is a free learn-to-code platform for building games, coding hardware, and beginner programming projects.

194

regex101 — Coding & STEM Learning Tool

regex101 is a regex tester and debugger with syntax highlighting, explanations, library examples, and multi-engine support.

193

Dorik — Website Builder & Newsletter Tool

Dorik is an AI-powered no-code website builder with drag-and-drop editing, CMS, forms, hosting, and SEO tools.

192

StackBlitz — Coding & STEM Learning Tool

Browser IDE powered by WebContainers for running full-stack JavaScript and Node workflows without traditional local setup.

192

Deck.Toys — Learning & Classroom Tool

Deck.Toys is a lesson-adventure platform for building interactive learning paths, games, slides, and student-paced or teacher-led activities.

190

JSON Formatter — Coding & STEM Learning Tool

JSON Formatter is an online tool for formatting, validating, viewing, converting, and debugging JSON data quickly.

188

Replit — Coding & STEM Learning Tool

AI app-building platform for creating, deploying, and iterating on web apps, sites, and software projects directly from the browser.

186

Typedream — Website Builder & Newsletter Tool

Typedream is an AI-assisted no-code website builder for creators who want to launch sites, sell products, and publish fast.

186

Thunkable — Coding & STEM Learning Tool

Thunkable is a no-code app builder for designing, building, and publishing native mobile and web apps without coding.

183

HackMD — Writing & Storytelling Tool

HackMD is a real-time collaborative Markdown workspace for technical notes, documentation, and knowledge-sharing teams.

182

p5.js Web Editor — Coding & STEM Learning Tool

The p5.js Web Editor is a browser coding environment for learning JavaScript through creative coding, art, animation, and interaction.

180

Wolfram Alpha — Learning & Classroom Tool

Computational knowledge engine for math, science, data, and step-by-step problem solving using natural language input.

178

Strikingly — Website Builder & Newsletter Tool

Strikingly is a simple website builder for creating mobile-friendly websites, landing pages, and small online stores without coding.

178

Rive — Design & Photo Editing Tool

Rive is an interactive graphics engine where designers and developers build animations and state-driven interfaces that ship directly in products.

176

MIT App Inventor — Learning & Classroom Tool

Visual block-programming environment from MIT for building mobile apps in the browser, especially for beginners and classrooms.

173

Observable — Coding & STEM Learning Tool

Observable is a reactive notebook platform for interactive data exploration, visualization, prototyping, and analytical storytelling.

170

Coda — Collaboration & Whiteboard Tool