> Open source client, standards for content, standards for hyperlinking, open source server High Fidelity has all that: https://github.com/highfidelity https

> Open source client, standards for content, standards for hyperlinking, open source server High Fidelity has all that: https://github.com/highfidelity https://github.com/highfidelity The web page emphasizes Marketplace because they recently started trying to get that going too (with a blockchain-based virtual currency which they've been handing out to anyone interested).