llm-wiki-agent is a free, open-source alternative to Reflect. It can be used without subscription fees — and its source code is open for anyone to inspect, modify and self-host.
A personal knowledge base that builds and maintains itself. Drop in sources — Claude (or Codex/Gemini) reads them, extracts knowledge, and maintains a persistent interlinked wiki. Works with Claude Code, Codex, OpenCode, Gemini CLI. No API key needed. Its license (MIT) is permissive: free to use, modify and redistribute — including inside commercial and proprietary products.