Tielman Esterhuizen

Tielman Esterhuizen

Jesus man. Founder. Builder.

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Tastemaker

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OpenSidekick - Open-source AI browser agent that runs any model you choose

Open-source AI agent for Chrome. Reads and acts on the page you're on using any model you choose — OpenRouter, OpenAI, Claude, Gemini, Groq, or a local model. Keys stay in your browser. MIT, no account, no telemetry.
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