While I can't promise when to add offline support to Cyberspace, I can definitely say that it's on the roadmap I envisioned. Edit: Have you tried Wikipanion? I

While I can't promise when to add offline support to Cyberspace, I can definitely say that it's on the roadmap I envisioned. Edit: Have you tried Wikipanion? It's only for Wikipedia browsing, but its feature set is amazing. The offline support is very robust, too.