TODO app + OpenCode terminal, in the tab

TODO app + OpenCode terminal, in the tab is a browser-based development environment that runs an OpenCode server, TUI, and agent entirely in a tab.

This browser-based tool runs an OpenCode server, development server, and agent entirely inside a single browser tab. It uses a free hosted model from OpenCode by default, with an option to connect a ChatGPT plan by signing in with an integration code. All requests leave through a relay that carries only encrypted bytes. It is designed for developers who want to manage tasks and code directly within their browser. The source code is publicly available for review.

TODO app + OpenCode terminal, in the tab at a glance

Best for: Software engineer
Runs on: Web
Pricing: Free
Released: October 2026
Category: AI coding tool
Website: kkrausse.github.io

Key features

Runs completely inside a browser tab
OpenCode server and TUI integration
Free hosted model from OpenCode Zen
Connect external ChatGPT subscription
Encrypted byte relay for all requests

Use it for

Managing development tasks in a browser tab
Running an AI coding agent inside a web app
Connecting external LLM plans securely

Companions

Tools that articles about TODO app + OpenCode terminal, in the tab recommend using with it, each with its job.

OpenCode — Built to work with OpenCode.
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Ollama — Run local models at zero marginal cost, with code kept on your machine.
OpenRouter — Access over 500 models and 80 providers through one unified API.
Daytona — Runs sessions in isolated sandboxes synced to git branches.
Composio — Equips AI agents with tools, managed user auth, and sandboxes across 1,500+ apps

Alternatives to TODO app + OpenCode terminal, in the tab

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DevSpace — Connects ChatGPT directly to your local machine and projects without uploading data.
AG-UI — Standardizes agent-user interactions and generative UI for applications.
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TheGitAI — Operates active browser sessions without requiring APIs or credential sharing.
devpit — Control multiple coding agents in one window with side-by-side panes and cost tracking.

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