The "markstream-react" topic on GitHub groups 1 open-source project in the DeepSeek Harness (DSH) ecosystem, led by dsh-better-markdown with 19 GitHub stars. dsh-better-markdown — DeepSeek Harness Web plugin powered by markstream-react for resilient streaming Markdown, Mermaid diagrams, KaTeX math, and safe renderer fallback. Every project here is indexed by DSH Universe with live GitHub data — stars, activity and install status — so you can compare and install directly.