Free terminal coding agents
Terminal agents read your repository, edit files, and run commands. Most accept any OpenAI-compatible API, so you can connect free models from OpenRouter, NVIDIA Build, or a local Ollama.
8 tools7 open source
| # | Tool ↕ | What is free | License | Platforms | GitHub ↕ | |
|---|---|---|---|---|---|---|
| 1 |  OpenCode Anomaly (SST team) |
Free and open source; works with dozens of providers including OpenRouter and local models. OpenCode Zen currently offers several free models for a limited time (e.g. Nemotron 3 Ultra Free, Ling 3.0 Flash Fin Free). | Open source MIT |
WindowsmacOSLinuxCLI | ★ 209,700 | |
| 2 |  Codex CLI OpenAI |
The CLI is open source; sign in with a ChatGPT plan or use an API key. It can also be pointed at other OpenAI-compatible providers or local models (e.g. via Ollama). | Open source Apache-2.0 |
WindowsmacOSLinuxCLI | ★ 126,200 | |
| 3 |  Gemini CLI Google |
Sign in with a personal Google account for up to 1,000 model requests per user per day across the Gemini model family (Gemini Code Assist free tier). | Open source Apache-2.0 |
WindowsmacOSLinuxCLI | ★ 107,100 | |
| 4 | goose Agentic AI Foundation (originally Block) |
Free and open source local agent (desktop app and CLI); works with any LLM provider or local models, you pay only for the model you use. | Open source Apache-2.0 |
WindowsmacOSLinuxCLI | ★ 54,600 | |
| 5 | Aider Aider-AI (Paul Gauthier) |
Free and open source; connect any LLM via API key, including OpenRouter free models, DeepSeek or local models through Ollama. | Open source Apache-2.0 |
WindowsmacOSLinuxCLI | ★ 49,100 | |
| 6 | Crush Charm |
Free to use under the Functional Source License (converts to MIT); bring your own keys for OpenAI, Anthropic, OpenRouter, Groq, OpenAI-compatible or local endpoints. | Free FSL-1.1-MIT |
WindowsmacOSLinuxCLI | ★ 28,300 | |
| 7 |  Qwen Code Alibaba Qwen |
Open source and free to run, but the Qwen OAuth free tier was discontinued on 2026-04-15; use your own key (Alibaba Cloud Model Studio, OpenRouter or any OpenAI-compatible API). | Open source Apache-2.0 |
WindowsmacOSLinuxCLI | ★ 28,100 | |
| 8 |  Mistral Vibe Mistral AI |
Open-source CLI; it needs a Mistral API key, and Mistral's Free plan includes monthly API credits. | Open source Apache-2.0 |
WindowsmacOSLinuxCLI | ★ 5,000 |
Nothing found.
Need a free model for these tools? Pick one in the catalog — every model card has a base URL and a code sample. Coding models · Models for agents