Apps similar to Mellum include Lumo by Proton, which is open source with a free version. Other options are ChatGPT, DeepSeek, Mistral Vibe and Claude. You're spoiled for choice with AI Chatbots like Mellum: we list more than 100 alternatives for the web, Windows, Mac, Linux and Android.
Privacy-focused AI chat assistant compatible with Windows, Mac, and Linux. Operates completely offline or with EU-hosted models, never uploads data, keeps chats secure, supports multiple tabs, prompt libraries, organized conversations, and flexible usage-based pricing.
Finland
EU
Model Diplomat is an AI-powered assistant built for Model United Nations (MUN) delegates, helping you prepare, practice, and perform at your best.
An AI coding agent in your terminal, on your own API key. Describe the steps; it runs them as a checked, resumable workflow.
SageBow's autonomous AI agents deploy directly into your Python environment and execute end-to-end tasks.
United States
Harkixsha AI is a cutting-edge assistant designed for natural conversations, smart answers, and real-time knowledge — always ready to help you.
ItalyEU
Anahata ASI - Artificial Super Intelligence - Cross-Platform, Modular, Enterprise Ready, Open Source, Pure Java, AGI and ASI Containers. Context Window Garbage Collector, Stateful Toolkits, Flight Recorder. Autonomous Observable Auditable JVM Agent with JIT java code execution.
India
AI chat with real memory. Say something once — it knows forever. Every fact visible as a Mark you can edit or delete.
Offers llama, nova, mixtral, and multiple versions of Claude. SDXL and Titan Image for image generation. Great interface with tools like document submission and web search.
United States
ExplainBot is not just a chatbot demo — it’s a complete SaaS starter kit with everything you need to launch your own AI-powered chat platform.
Pakistan
Ozus PC Assistant is an AI based Windows PC Agent using which you will be able to manage files, boost performance, launch apps faster, Edit documents and creats PDFs and interact with your PC using built-in AI.
Aris is a smart encyclopedia with advanced parental controls, allowing all ages to learn and explore without the distractions or inappropriate content on the internet.
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
