Open-source, minimal and extensible AI coding agent harness from Earendil Works. It can be customized with extensions, skills, prompt templates and themes, and used interactively, in print or JSON mode, or over RPC.
A free, open-source AI coding agent for VS Code, JetBrains, the command line and the cloud, with support for local models and your own API keys at no markup.
From the site: Kilo is the open source AI coding agent for VS Code, JetBrains, CLI, and Cloud. Access 500+ models, bring your own keys at zero markup, and keep code private with local models.
Why I recommend it: Open source and free to install — you only pay a model provider if you choose a hosted one.