openkos is a local-first CLI tool and engine that transforms scattered text documents into a living, portable knowledge base in the Open Knowledge Format (OKF). It supports knowledge graphs, RAG workflows, and second-brain style organization. Ideal for developers and power users who want full control over their personal knowledge without cloud dependency.
openkos sits in PulseGate's Other productivity category. It focuses on turning disorganized personal notes and text files into a structured, portable, queryable knowledge base. It is built as an open-source project for knowledge workers. openkos is open source under the Apache-2.0 license. It runs on the command line.
Jasonssdev builds and maintains openkos, and the product first shipped in 2026. Development happens publicly on GitHub with 177 commits in the last 90 days. Key capabilities include Local-first Storage, Knowledge Graph, and RAG Support.
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