Open Source Alternatives to Charlie
15 open source AI Assistant options similar to Charlie, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
GitpodNot ratedCloud Development Environments for efficient and secure team software development.
Open source · Self-hostable
cal.comNot ratedOpen-source scheduling infrastructure for individuals, businesses, and developers.
Open source · Self-hostable
OpenClawNot ratedOpen-source AI agent framework for automating tasks across messaging platforms and software systems.
Open source · Self-hostable
OmnivoreNot ratedA free and open-source read-it-later service with AI-powered features and integrations.
Open source · Self-hostable
ZoteroNot ratedFree, open-source personal research assistant for collecting, organizing, citing, and sharing research.
Open source · Self-hostable
Apache AirflowNot ratedOpen-source platform for programmatically authoring, scheduling, and monitoring data pipelines.
Open source · Self-hostable
CapNot ratedOpen-source screen recording, editing, and hosting tool with ownership of your data.
Open source · Self-hostable
OpenProjectNot ratedOpen-source project management software.
Open source · Self-hostable
- I3i3Not rated
A highly configurable and efficient tiling window manager for X11.
Open source · Self-hostable
- EUEurostackNot rated
A European enterprise contributing to the development of sovereign digital infrastructure.
Open source · Self-hostable
LibreChatNot ratedOpen-source, self-hostable AI chatbot UI.
Open source · Self-hostable
- EUEuro-OfficeNot rated
A sovereign, open-source office suite for European enterprises and public administrations.
Open source · Self-hostable
Naps2 SoftwareNot ratedFree and open-source scanning software for Windows, Mac, and Linux, simplifying document digitization.
Open source · Self-hostable
- OPOpenWorkerNot rated
OpenWorker is an open-source desktop AI agent that runs locally, integrates with everyday tools, and delivers finished outcomes by breaking down tasks.
Open source
ThunderbirdNot ratedFree and open-source email client for managing email, calendars, and contacts.
Open source · Self-hostable