Project N.E.K.O. is an open-source AI companion designed to live on the user's desktop. It listens to voice, reads text, sees the screen and shared images, and remembers shared experiences through a long-term memory system. It supports multiple avatar forms (Live2D, VRM, MMD, PNGtuber), connects to 20+ AI service providers, and can be extended through plugins and a creative workshop.
What it's for
Real-time voice conversation with the AI companionText chat with long-term contextual memorySharing and understanding images dragged or pasted into chatScreen sharing so the companion can understand what the user is viewingCustomizing the companion's persona, name, voice and appearanceCloning a custom voice from a short recordingExporting and sharing character cardsExtending functionality via pluginsSharing custom characters, models and voice packs via the creative workshop
Features 18
- 5 avatar forms: Live2D, VRM, MMD, PNGtuber, and more
- 5-dimensional memory system (working, recent, factual, reflective, personality memory)
- 5-second voice cloning from a recording
- Character card export and sharing
- Compatibility with 20+ AI service providers (e.g. OpenAI, DeepSeek, Tongyi Qianwen)
- Creative workshop for sharing custom characters, models, and voices
- Cross-scene memory synchronization across desktop and game contexts
- Custom persona and character card editing in-browser
- Hybrid memory recall combining temporal indexing, summarization, vector search, and BM25
- Image import via paste or drag-and-drop
- Memory browsing and correction interface
- Plugin system to extend capabilities
- Privacy mode to disable proactive screen viewing
- Real-time voice conversation
- Real-time voice, text, and visual perception
- Screen sharing and screenshot understanding during calls
- Steam Workshop integration for uploading custom content
- Text chat with long-term memory context
At a glance
free tieropen source
TypeDesktop app
DeploymentInstalled (local)
LanguagesChinese, English
Integrations
DeepSeek通义千问OpenAI
Pricing
Free download via Steam; project is open source under Apache 2.0 license.
N.E.K.O.Free
Free to download via Steam and GitHub; open source under Apache 2.0.
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