# AI tools for “code debugging” 385 matching tools; showing 24, ranked by relevance. Filters: `pricing=free` Related categories: [ai-developer-tools](https://openaitools.app/category/ai-developer-tools.md) | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [VS Code](https://openaitools.app/tool/vs-code) | 7,397,370 | -3.8% | Freemium | Write code with precision, hand bigger jobs to agents, and keep working from anywhere | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/vs-code.md) | | 2 | [Pi Coding Agent](https://openaitools.app/tool/pi-coding-agent) | 1,929,244 | +4% | Free | A minimal, extensible terminal coding agent you can reshape | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/pi-coding-agent.md) | | 3 | [T3 Code](https://openaitools.app/tool/t3-code) | 1,071,866 | +52.5% | Free | Open-source control plane for orchestrating coding agents | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/t3-code.md) | | 4 | [Trae](https://openaitools.app/tool/trae) | 702,366 | -7.8% | Freemium | An AI IDE and coding agent that works on your project, not just your cursor | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/trae.md) | | 5 | [Code Arena](https://openaitools.app/tool/code-arena) | 35,827,928 | +19.4% | Free | Battle-test AI coding models side by side | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/code-arena.md) | | 6 | [PseudoEditor](https://openaitools.app/tool/pseudoeditor) | 103,170 | -11.5% | Free | PseudoEditor is a free browser-based pseudocode editor and compiler built for students, teachers and anyone designing algorithms. It offers syntax highlighting, autocomplete, cloud project saving, exam-board syntax modes | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/pseudoeditor.md) | | 7 | [Open Interpreter](https://openaitools.app/tool/open-interpreter) | 57,487 | -29% | Free | Open-source coding agent built for low-cost, open-weight language models | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/open-interpreter.md) | | 8 | [Google AI Studio](https://openaitools.app/tool/google-ai-studio) | 112,620,020 | +2% | Freemium | Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models. | category: ai-developer-tools | [.md](https://openaitools.app/tool/google-ai-studio.md) | | 9 | [Qoder](https://openaitools.app/tool/qoder) | 5,145,040 | +81.8% | Freemium, Free Trial, Free | An agentic coding platform that ships real software | category: ai-developer-tools; semantic match | [.md](https://openaitools.app/tool/qoder.md) | | 10 | [CodebaseChat](https://openaitools.app/tool/codebasechat) | 3,568 | +185.4% | Freemium | Ask your codebase anything in plain English | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/codebasechat.md) | | 11 | [MarsCode (Trae AI IDE)](https://openaitools.app/tool/marscode) | 16,112 | -49% | Free | AI programming assistant and cloud IDE for writing, debugging and shipping code faster | keywords 100%; semantic match | [.md](https://openaitools.app/tool/marscode.md) | | 12 | [Captum](https://openaitools.app/tool/captum-ai) | 4,464 | -42.7% | Free | Open-source model interpretability for PyTorch | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/captum-ai.md) | | 13 | [Kimi AI](https://openaitools.app/tool/kimi-chat) | 19,632,261 | -23.4% | Free | Moonshot AI's long-context assistant for research, coding, and agentic work | keywords 100% | [.md](https://openaitools.app/tool/kimi-chat.md) | | 14 | [Impeccable](https://openaitools.app/tool/impeccable) | 1,038,637 | +8.2% | Free | Give your coding agent real design judgment | category: ai-developer-tools; semantic match | [.md](https://openaitools.app/tool/impeccable.md) | | 15 | [AI Code Translator](https://openaitools.app/tool/ai-code-translator) | 2,423 | +51.1% | Free | Translate code between 14 programming languages or plain English—free, no signup | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/ai-code-translator.md) | | 16 | [jsoneditor.io](https://openaitools.app/tool/jsoneditor-io) | 1,818 | -33.7% | Free | A free, browser-based JSON IDE with a built-in AI assistant | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/jsoneditor-io.md) | | 17 | [Rerun](https://openaitools.app/tool/rerun) | 54,018 | -23.7% | Free | The open-source data layer for robotics and physical AI | category: ai-developer-tools; keywords 100% | [.md](https://openaitools.app/tool/rerun.md) | | 18 | [Respan](https://openaitools.app/tool/respan) | 91,503 | -14.5% | Freemium | Open-source AI gateway with observability and evals built in | category: ai-developer-tools; keywords 100% | [.md](https://openaitools.app/tool/respan.md) | | 19 | [HookWatch](https://openaitools.app/tool/hookwatch) | 1,095 | +797.5% | Freemium, Free Trial, Free | Capture, debug, and replay failed webhooks before your users notice | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/hookwatch.md) | | 20 | [HTTPie AI](https://openaitools.app/tool/httpie-ai) | 24,714 | -45.2% | Freemium | Human-friendly API client with an AI sidekick | category: ai-developer-tools; keywords 100% | [.md](https://openaitools.app/tool/httpie-ai.md) | | 21 | [Cratecode](https://openaitools.app/tool/cratecode) | 4,655 | +32% | Free | Free, project-first programming courses with an AI coding tutor | keywords 100%; semantic match | [.md](https://openaitools.app/tool/cratecode.md) | | 22 | [Helicone](https://openaitools.app/tool/helicone-ai) | 57,187 | -25.2% | Freemium, Free Trial, Paid, Contact for Pricing, Free | Open-source LLM observability and AI gateway for shipping reliable AI apps | category: ai-developer-tools; keywords 100% | [.md](https://openaitools.app/tool/helicone-ai.md) | | 23 | [Hermes-Agent](https://openaitools.app/tool/hermes-agent-1) | 3,638,741 | -5.4% | Freemium | A free, open-source personal AI agent that learns your projects and works across every messaging app. | category: ai-developer-tools | [.md](https://openaitools.app/tool/hermes-agent-1.md) | | 24 | [ComfyUI](https://openaitools.app/tool/comfyui) | 4,379,348 | +13.4% | Contact for Pricing, Free | Node-based visual AI studio for images, video, 3D and audio | category: ai-developer-tools | [.md](https://openaitools.app/tool/comfyui.md) | Page 1 of 17 · [Next page →](https://openaitools.app/index.md?q=code+debugging&pricing=free&page=2) For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`. --- Source: https://openaitools.app/?q=code%20debugging More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)