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.
ivx/ai Chat is a lightweight, browser-based chat client designed for users who want total control over their data and their AI interactions. Unlike the vast majority of AI interfaces, it has no backend, no accounts, no analytics, and zero telemetry.
India
Anahata ASI Desktop is the world’s first stateful, air-gapped Java ASI (Artificial Super Intelligence) Container designed to run entirely on your local workstation or private corporate network.
India
SOWA Privacy is a free, open-source Chrome Extension that anonymizes your personal data in real time — before it reaches any AI platform. 100% on-premise. Zero cloud.
Give your AI a soul
Alma is a persistent memory layer for AI. Your conversations build knowledge over time — preferences, facts, decisions, patterns. Every interaction makes your AI smarter, more personal, more yours.
Privacy-first AI assistant built on open-weights models with encrypted conversation storage, the ability to exclude military contractors from your infrastructure, and radical transparency including per-user electricity and water tracking with built-in eco-mode.
United States
United States
GDPRchat gives everyone in Europe a full-powered AI assistant built end to end on European technology and law, so capability is never traded for trust.
Denmark
EU
Private AI inference with encrypted vault storage. Every conversation encrypted end-to-end, every response verified on Arweave. The ChatGPT alternative where you own your data.
A Swedish-operated AI workspace for privacy-sensitive work, combining EU-hosted AI chat, selectable EU-origin and well-known AI models.
SwedenEU
Free, private AI chat for phones and computers, with local models, offline conversations, and model recommendations matched to your device.
