Chatbox AI
AI & Generative AI
An AI client for using GPT, Claude, Gemini, DeepSeek and more with your own API keys, free to start on desktop, mobile and web.
Free planAI
List of chat apps
5 apps
5 apps that APP NAVI confirmed from official sources as chat. Last checked: 2026-11-05. Anything we could not confirm stays "Unverified"; we never guess. Prices and specs change, so check each app's official page before you use it.
Jan
AI & Generative AI
An open-source ChatGPT alternative that runs AI models locally on your computer, and can also connect to cloud models such as GPT and Claude.
AI
Matrix
Social & Communication
An open protocol for secure decentralised communications, as its official site describes it, with open-source server implementations.
Stoat
Social & Communication
An open-source group chat app for friends and communities with servers, channels, voice chat and file sharing. The official site states there are no ads or data mining.
Zulip
Social & Communication
An open-source team chat application for distributed teams, described on its official site as organized team chat.