Open-source DeepResearch is an open-source project aimed at replicating functionalities akin to OpenAI Deep Research using an open-source framework and tools. The project is based on the Hugging Face platform and leverages open-source large language models (LLMs) and agent frameworks to achieve complex multi-step reasoning and information retrieval through code agents and tool calls. Its main advantages are being open-source, highly customizable, and capable of continuous improvement through community contributions. The project aims to enable anyone to run intelligent agents similar to DeepResearch locally, using their preferred models, with full localization and customization.