Established AI coding assistant supporting 70+ languages with broad IDE plugin coverage. Personal tier is completely free with no usage limits. Enterprise tier adds more features.
Cline
Open-source AI coding assistant for VS Code, JetBrains, and CLI. Supports 200+ models including Claude, GPT, Gemini. Launched.
🆓 Free Tier Details
Long-term FreeFree Credits
0 unlimited
Unlimited
Credit Card
✅ Not Required
Watermark
✅ No watermark
Commercial Use
✅ Allowed
Resolution: N/A
Last verified: 2026-06-17
👍👎 Pros & Cons
✅ Pros
- +Fully open source, Apache 2.0 license
- +Model-agnostic, use any provider
- +Active community, fast updates
- +Multi-platform: terminal, IDE, web
- +Auto error detection and fixing
❌ Cons
- -Requires your own API key
- -Complex tasks burn tokens fast
- -Many config options, learning curve for beginners
🎯 Key Features
💡 Tips & Tricks
- 1Start with Claude Sonnet for best cost-performance
- 2Define project rules in .clinerules for better results
- 3Use OpenRouter for 200+ models with transparent pricing
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AtomCode
4.5Huawei-backed open-source terminal AI coding assistant, competing with Claude Code. CodingPlan offers free 30-day access to GLM-4.6, DeepSeek-V4-Flash, Qwen3 series and more, running on Ascend chips with 5-hour rolling window metering.
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