Open Source Alternatives to Vellum

A personal AI assistant platform that automates daily tasks such as email triage, calendar management, meeting preparation, and project tracking. The software features a memory system that learns user preferences and improves skills over time to handle repetitive work in the background. It is designed for individuals seeking to automate their personal and professional workflows through a system that remembers context and executes specific skills. The platform is deployed via a cloud-hosted service or self-hosted on private hardware, VPS, or private clouds. It integrates with various channels including iOS, MacOS, Web, Voice, Email, Telegram, Slack, and CLI. The system utilizes a credit-based pay-as-you-go model for LLM inference, web search, image generation, and third-party API usage routed through managed OAuth connections.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Vellum give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Vellum. The most popular is Dify. It uses the Custom license and ships an official Docker image.