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Tool
Category
Pricing
Free?
❤
Vercel AI SDK
Open-source TypeScript toolkit for building AI apps with streaming UI support.
Best for: ai-platform
Kilocode
Open-source VS Code AI coding agent — bring your own API key, no subscription required.
Best for: coding
OpenCode
Open-source terminal AI coding agent supporting multiple models for CLI-native development.
Best for: coding
Roo Code
Open-source VS Code AI coding agent with extended thinking support and deep customization.
Best for: coding
CrewAI
Open-source framework for building collaborative multi-agent AI systems.
Best for: open-source