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About

JSFiddle has the notion of panels (or tabs if you switch into the tabbed layout), there are 4 panels, 3 where you can enter code, and 1 to see the result: HTML - structure code, no need to add body doctype head, that's added automatically, CSS - styles. You can switch pre-pocessor to SCSS, JavaScript - behavior. There are many frameworks and code pre-processors you can use. Once you enter code, just hit "Run" in the top actions bar, and the fourth panel with results will appear. SFiddle allows you to switch the layout of the editor from the classic 2x2 grid to something that suits your needs. In addition to the grids mode it also has a tabbed mode. Grids are fully resizable. As an addition resizing the Results panel will tell you its width (handy for working on media queries).

About

bb is a local-first, fully customizable IDE for working with AI coding agents, designed to control, automate, and even modify itself. Almost anything in the environment can be changed with a single prompt: users can add panels, CLI commands, skills, plugins, and workflows that immediately become available to their agents. Many of bb’s own capabilities, including GitHub integration, agent memory, scheduled jobs, and remote access, are built as plugins using the same tools available to users. Its CLI is open to external programs such as shell scripts, cron jobs, or bots in Telegram, Signal, and Slack, allowing them to spawn work threads that remain available in the sidebar. bb supports multiple coding agents, including Claude Code, Codex, Cursor, Pi, OpenCode, Grok, omp, and Hermes, letting users assign tasks to the best-suited agent or have one agent spawn and manage another in separate threads. Work runs on the user’s own machine and can continue independently until they return.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Anyone looking for an online IDE service for testing and showcasing HTML, CSS, JavaScript code

Audience

Software developers and engineering teams wanting to orchestrate multiple AI coding agents, automate development workflows, and customize a local-first programmable IDE around their own needs

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

JSFiddle
Founded: 2009
jsfiddle.net

Company Information

bb
Founded: 2026
United States
getbb.app/

Alternatives

Alternatives

Spawn

Spawn

OpenRouter
Kiro

Kiro

Amazon Web Services
AWS Cloud9

AWS Cloud9

Amazon
Devin Desktop

Devin Desktop

Cognition
Visual Studio

Visual Studio

Microsoft

Categories

Code Collaboration Supported
IDE Supported

Categories

Agentic AI Supported
AI Coding Agents Supported
AI IDEs Supported
IDE Supported

Integrations

GitHub Supported
CSS Supported
ChatGPT Not Supported
Claude Not Supported
Claude Code Not Supported
Cursor Not Supported
Docsie Supported
Grok Not Supported
HTML Supported
Hermes Agent Not Supported
JavaScript Supported
OpenAI Not Supported
OpenAI Codex Not Supported
OpenClaw Not Supported
OpenCode Not Supported
Pi Agent Not Supported
Signal Not Supported
Slack Not Supported
Telegram Not Supported

Integrations

GitHub Supported
CSS Not Supported
ChatGPT Supported
Claude Supported
Claude Code Supported
Cursor Supported
Docsie Not Supported
Grok Supported
HTML Not Supported
Hermes Agent Supported
JavaScript Not Supported
OpenAI Supported
OpenAI Codex Supported
OpenClaw Supported
OpenCode Supported
Pi Agent Supported
Signal Supported
Slack Supported
Telegram Supported
Claim JSFiddle and update features and information
Claim JSFiddle and update features and information
Claim bb and update features and information
Claim bb and update features and information