Local first, desktop companion platform with animated pets, plugin SDK and coding-agent integrations.

C# coding-agent harness (.NET 10, Microsoft Agent Framework) — sessions, tools, permissions, providers, MCP, plugins

Preline UI is an open-source set of prebuilt UI components based on the utility-first Tailwind CSS framework.

A standardized framework for enhancing how LLMs process and respond to prompts through composable decorators, featuring an official open standard specification and Python reference implementation. Claude Code plugin and MCP server integration.

Computer-Use SDK for E2E QA Testing

Fluent argument validation for fluent software development.

The World's First Virtual Terminal for AI Agents

Interactive documents from Markdown. Extends MD with forms, approvals, webhooks, and more — built for next gen apps

One portable memory layer for every AI agent: local-first, Markdown-native, user-owned, and self-evolving across apps, tools, and workflows.

The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.

PyWry is a cross-platform app factory, rendering engine and UI toolkit for Python that produces native desktop, web, and notebook experiences from a single API.