Best Open-Source Coding Agents in 2026
Open-source coding agents help developers work on code through terminal sessions, editors or broader repository workflows. The listings include Aider, OpenCode and Gemini CLI for terminal work, editor-oriented projects such as Kilo and Void, and broader agent platforms such as OpenHands and goose. Their interfaces, model connections and levels of autonomy differ, so evaluate them on a task you actually perform.
Open-source coding agent code remains freely available as a foundation for developers after Continue's acquisition by Cursor.
Query and edit large codebases, generate apps from images or PDFs, and automate complex workflows from your terminal with Gemini 3.
Run an open source AI coding agent in your terminal, IDE, or desktop, connect free or any model, and keep your code and context private
Run a general-purpose AI agent on your machine to research, write, automate, analyze data, and code — with 70+ MCP extensions and 15+ LLM providers.
Open source, model-agnostic platform for running autonomous coding agents that automate PR reviews, CI fixes, and issue triage end-to-end with your ow...
Pair program with LLMs in your terminal — map your codebase, connect cloud or local models, and auto-commit every change to git.
Run one open-source AI coding agent across VS Code, JetBrains, CLI and cloud, pick from 500+ models at zero inference markup, and keep code private wi...
Open source AI IDE forked from VS Code — bring any LLM, keep full control over your data, and migrate your setup in one click.
About Open-Source Coding Agents
Compare repository context, editing controls, command approval, test execution and the clarity of proposed changes. Check the project’s current license, release activity and installation requirements rather than assuming every hosted feature is included with the source code.
Run a small task in a separate checkout and inspect the diff and test results. Record model usage, retries and setup effort alongside speed. Open-source software can still involve model API charges or infrastructure costs; data handling also depends on the model provider and integrations you connect.
Compare top 5 Open-Source Coding Agents
Side-by-side highlights for the top-ranked products in this category. Products whose main category this is come first, then by featured placement, upvotes, ratings, and review count.
| Compare |  Continue (acquired by Cursor) Product page | G Gemini CLI Product page | O OpenCode Product page | G goose Product page | O OpenHands Product page |
|---|---|---|---|---|---|
| Best for | Open-source coding agent code remains freely available as a foundation for developers after Continue's acquisition by Cursor. | Query and edit large codebases, generate apps from images or PDFs, and automate complex workflows from your terminal with Gemini 3. | Run an open source AI coding agent in your terminal, IDE, or desktop, connect free or any model, and keep your code and context private | Run a general-purpose AI agent on your machine to research, write, automate, analyze data, and code — with 70+ MCP extensions and 15+ LLM providers. | Open source, model-agnostic platform for running autonomous coding agents that automate PR reviews, CI fixes, and issue triage end-to-end with your own models and keys |
| Pricing | Free | Freemium | Freemium | Free | Freemium |
| Platforms | Web | — | macOS, Windows, Linux | macOS, Windows, Linux, Web | Web |
| Rating | — | — | — | — | — |
| Upvotes | 0 | 0 | 0 | 0 | 0 |
| Verified | No | No | No | No | No |
| Launch date | — | — | — | — | — |
Open Source Coding Agents FAQ
Common questions about this category, how we rank products, and how often the page is refreshed.
What are the best Open-Source Coding Agents on MazikBox?
The top-ranked Open Source Coding Agents products right now are Continue (acquired by Cursor), Gemini CLI, and OpenCode. The comparison table above shows them side by side.
How do you rank Open Source Coding Agents products?
Products whose main category is Open Source Coding Agents (or one of its subcategories) are listed first, followed by products that also fit the category. Within each group we order by featured placement, then upvotes, average rating, review count, and newest listing. Featured placement is an editorial choice, not a quality score.
What pricing models are common for Open-Source Coding Agents?
On this page you will find free and freemium options, depending on the tool. Check the comparison table and individual product pages for specifics.
Which platforms do these Open-Source Coding Agents support?
The products currently shown in this category support web, macOS, windows, and linux workflows. Platform coverage varies by tool, so compare product pages before choosing one.
How often is this Open Source Coding Agents page updated?
The category description and details were last edited on October 8, 2026. The product list, ranking, and counts update automatically as products, votes, and reviews change.
How many Open-Source Coding Agents are listed right now?
MazikBox currently lists 8 Open Source Coding Agents products in this category, with more added as they meet our editorial standards and category fit.