The best IDE alternative to opencode is Google Antigravity, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to opencode and four of them are IDEs so hopefully you can find a suitable replacement. Other interesting IDE alternatives to opencode are Firebase Studio, TabbyML and Qoder IDE.
Google Antigravity is an agentic IDE and coding environment designed to support real world software projects through autonomous development workflows. It provides an agent first workspace where developers set direction while AI agents carry out tasks such as coding, debugging...
A cloud-based, agentic development environment designed to accelerate how you build, test, deploy and run production-quality AI applications, all in one place.
Firebase Studio is the most popular Web-based alternative to opencode.
Tabby is an open-source, self-hosted AI coding assistant. With Tabby, every team can set up its own LLM-powered code completion server with ease.
Qoder is an AI-powered agentic coding platform and IDE that automates complex software development tasks using autonomous AI agents.
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