Self-hosted apps that integrate with LangSmith

4 open-source, self-hostable projects list LangSmith as an integration.

• deer-flowAn open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
• gpt-researcherSelf-hosted, open-source deep research agent: a planner splits your question, parallel researchers scan 20+ web or local sources, and it writes a cited report.
• datalineSelf-hosted, open-source AI tool to chat with data and generate SQL, charts, reports — supports PostgreSQL, MySQL, Snowflake, SQLite, CSV, Excel.
• n8n-installSelfhost AI is an open-source Docker Compose installer for a complete AI homelab with n8n, Ollama, Open WebUI, AI agents, RAG, and monitoring behind automatic HTTPS.