Flexbox Froggy: learn CSS Flexbox through play
A free browser game with 24 CSS puzzles. Guide frogs onto their lily pads while learning flex alignment, item order, direction and wrapping.
Resources
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Art Gallery — generative watercolor paintings and Studio
A gallery of self-painting watercolor studies with a browser Studio for adjusting palettes, variations and painting parameters. Free for non-commercial use under the stated license.
Antlii — generative design tools and creative-coding experiments
A collection of browser tools and visual experiments by Kyiv-based creator Anatolii Babii, spanning patterns, geometric typography and animated simulations.
Ditther — pixel effects and experimental posters
Turn images into pixel, halftone and ASCII compositions with layered effects, typography and shapes.
generative.graphics — geometric pattern generator
Create moving geometric compositions with grid, noise, shape and color controls, plus PNG and WebM export.
Paperlab: interactive 3D paper for the web
A free browser editor and React library for 3D paper effects, including folds, unrolling, peeling, animated galleries and spatial scenes.
Claude Code — AI Coding Agent for Terminal & IDE
An AI coding agent from Anthropic that understands repositories, edits files, runs tests, fixes bugs and handles long-running development tasks.
OpenAI Codex
An AI coding agent for implementing features, fixing bugs and reviewing changes, with plan-dependent access and limits.
Perplexity
AI-assisted search and answers with sources, offering a free Standard plan and paid research features.
Google Gemini
Google’s AI assistant for ideas, writing and multimodal tasks, with free access and paid upgrades.
Cursor
An AI coding environment for editing, understanding and developing software, with a limited free plan.
Claude
An AI assistant for writing, document analysis and coding, with limited free access.
ChatGPT
An AI assistant for writing, ideas, research, images and files, with a limited free plan.
AI Particle Simulator — 3D particle compositions
Casberry’s browser simulator for exploring particle formations, text, 3D shapes and custom motion logic.