Open source. Open possibilities.

Open-source desktop AI companion app with Live2D/VRM avatars, voice chat, local LLM support, tabletop RPG engine, and autonomous desktop agent capabilities. Runs 100% locally by default.

PocketRisu is a self-hosted AI roleplay chat platform forked from RisuAI, letting you run a personal server accessible from PC, tablet, and smartphone via web browser.

A one-click, fully local and private AI chat front end for Windows. Runs LLMs offline with characters, lorebooks, threads, and optional phone access via LAN.

Otaku is a free, local LLM frontend for roleplay, offering web and terminal interfaces. It supports local and cloud LLMs, manages long context via scene summaries, and imports SillyTavern chats and character cards.

Spherse is a locally-run desktop Agent runtime that enables multiple AI Agents with independent identities and skills to collaborate around a shared data space, supporting event-driven automation, HTML app hosting, and distribution of the entire Workspace.

LastChat is a feature-rich Android AI assistant forked from RikkaHub, offering multi-provider chat, RAG memory, multimodal input, built-in Python/JS engines, and local-first privacy.

Liyuan is a role-playing application centered on AI Agent, optimizing memory via the harness layer and introducing decision cards that let users drive the plot, supporting save branches, custom knowledge and material libraries, and compatibility with mainstream character cards and world book formats.

Local-first desktop AI workbench for roleplay, multi-character chat, long-form writing, RAG, MCP tools, and local models.

WorldLines is a multi-agent simulation engine for AI role-play, where a world-agent orchestrates independent soul-agents—each with private memory, mind, and agenda—in a file-backed, event-sourced living world.

A local-first studio for AI-roleplay content that manages characters, lorebooks, personas, and presets as canonical JSON, exporting to multiple platform formats via adapters.