Lumo by Proton is described as 'Privacy-first AI assistant with zero-access encryption, no logging or profiling, open-source code, and user-controlled conversations, subject to GDPR regulations' and is a very popular AI Chatbot in the ai tools & services category. There are more than 100 alternatives to Lumo by Proton for a variety of platforms, including Web-based, Android, Mac, Windows and iPhone apps. The best Lumo by Proton alternative is ChatGPT, which is free. Other great apps like Lumo by Proton are DeepSeek, Mistral Vibe, Claude and Perplexity.
Built with Meta Meta Llama, Meta AI is one of the world’s leading AI assistants, already on your phone, in your pocket for free. And it’s starting to go global with more features. You can use Meta AI on .
United States
Open-source app offers local or cloud AI chat with major LLMs, advanced semantic search, automation, personal newsletters, document indexing, image generation, and text-to-speech. Access from web, Obsidian, Emacs, desktop, mobile, or messaging platforms.
India
Maid is a cross-platform Flutter app for interfacing with GGUF / llama.cpp models locally, and with Ollama and OpenAI models remotely.
Self-hosted AI workspace offering chat, tool use, and autonomous agent support. Enables email and research tasks securely on user hardware, keeps all data local, requires no external servers, and provides customizable AI workflows for privacy-focused environments.
Japan
Provides AI-powered writing tools, image generation, Genmoji, and memory movies; enhances Siri with deeper context and actions; integrates ChatGPT for complex tasks; prioritizes on-device processing for privacy; unifies features across Apple devices with Private Cloud Compute.
United States
Leo is an AI-powered intelligent assistant, built right into the browser. Leo can answer questions, help accomplish tasks, and more.
United States
Together Chat is a next-generation consumer app designed to let you interact seamlessly with today's most popular open-source models, including free access to DeepSeek R1, securely hosted in the North America.
United States
The simplest way to use private LLMs: Works fully offline and private when you don’t have internet. Runs models on-device optimized for Apple silicon.
United States
LlamaGPT is a chatbot that provides a ChatGPT-like experience, with no data leaving your device.
Ask questions to your documents without an internet connection, using the power of LLMs. 100% private, no data leaves your execution environment at any point. You can ingest documents and ask questions without an internet connection!
Germany
EU
Open-source AI assistant builds interactive chat interfaces with elements like buttons, forms, and tables, delivers over 40 tools, supports 24 AI services, local models for offline use, encrypted chat history, no ads, free usage, and privacy by design.
GermanyEU
