Apps similar to Klee include Tolaria, which is free and open source. Other options are Mnemosyne OS, Claude-Mem, LedgerMind and Raneto. You can choose from more than 10 Large Language Model (LLM) Tools like Klee for Mac, Linux, Windows, the web and self-hosting.
openKB is a Markdown Knowledge base application (FAQ) built with Nodejs and ExpressJS. The application uses an embedded database (nedb) by default but can also use a MongoDB server.
HowHive it's simple interface let's the team focus on finding and/or sharing knowledge fast and easy.
Haki gives any AI agent a memory that lasts for months dated, sourced, and provable. Self-hosted on your own Postgres, Apache-2.0, no amputated edition.
Mali
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.
MUSE gives AI coding agents (Claude Code, OpenClaw, Cursor, Windsurf, Gemini CLI, Codex) persistent cross-session memory and multi-role governance — all through plain Markdown files.
Taiwan
Long-term memory for Claude AI. Personalize Claude's responses with information from your past interactions.
An AI assistant that permanently stores user corrections and preferences, applying them across every future session and project to eliminate repeated teaching, personalize outputs for creators, students, developers, teams, and maintain reliable consistency.
The knowledge base for ChatGPT and Claude. Save notes once, connect via MCP, stop re-explaining context every conversation.
Belgium
EU
Italy
