Aider

🌍 International 📖 Open Source ✅ Free

Command-line AI pair programmer with git-aware diffs, repo-level chat, and multi-file edits. Best with Claude Sonnet or DeepSeek-V3.

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🎁 Free Tier

Daily Limit: MIT open-source; bring your own model API key, pay-per-use.

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🔑 Free API

No free API available

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Free API Topic Hubs

AI Opportunity Library What you can build with these free AI tools, how to ship an MVP, and how to monetize. Explore ideas → Free AI API directory Compare DeepSeek, Qwen, Grok, GLM, Hunyuan, Groq, and Cloudflare Workers AI free credits. Open hub → API relay and OpenAI-compatible endpoints Relay options, free models, China-access notes, and SDK-compatible setups. View guide → FreeLLMAPI GitHub guide Open-source free LLM API aggregation, alternatives, and setup notes. Read guide →

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Aider Free Dev Tool Aider offers a free or open-source option: Fully open-source and free, bring your own API key with no restrictions. Useful for low-cost developer testing. →

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