Earendil Works

Open source AI coding agent toolkit

Vienna, Austria
Founded 2025

Earendil Works is a public benefit corporation building open source developer tools and AI-powered software. Its flagship product is Pi, an open source AI agent toolkit and coding agent CLI that provides a unified LLM API, an agent loop, and a terminal user interface for developers. The company also develops Lefos, an AI email assistant that enables users to interact with their inbox as a command line, and Absurd, a durable execution framework for Python.

Last Updated: June 27, 2026

Current Valuation

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Funding Summary

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Core OSS Projects

Open source AI agent toolkit and coding agent CLI with a unified LLM API, agent loop, and terminal user interface

License: MIT

Durable execution framework for Python

License: Apache-2.0

Business Information

Category

AI Agents

Industries

Software

Technologies

Developer ToolsCoding AgentAI Coding AgentsTerminal User Interface

Sectors

Developers

Licenses

MIT

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