A new option for those who need development service for Counterparty-based applications has been announced at:
https://letstalkbitcoin.com//forum/post/ironcladtechxcp-web-development-services-from-ironclad-web-technologies
While it is possible to fund custom or open source development by way of bounties, I think this is a valuable option for those who require personalized and continuous support for their projects.
Hopefully the number of such services will continue growing.
[This is not an endorsement or recommendation]