Open Source Toolkit for Building AI Agents
SMRTR summary
Building AI agents in 2026 has never been easier, but finding tools worth using is harder than ever. This roundup cuts through the noise by highlighting battle-tested open-source projects across 17 categories — from frontend UI layers like CopilotKit (31.5k stars) to browser automation with Browser Use (94k stars) and document processing with Docling (60.1k stars). Together, these tools cover everything needed to build, run, debug, and monitor production-ready AI agents.
SMRTR provides this summary for quick context. The original article belongs to Daily.dev.
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