These are links to the most recent editors' copies of the draft specifications I'm currently working on in the IETF. Those that are adopted by Working Groups usually (but not always) go into that group's repository, rather than here (e.g., see the HTTP Working Group).
Source and issues are kept in Github.
bcp56bis - On the use of HTTP as a Substrate
for-the-users - The Internet is for End Users
httpbis-header-registry - A Registry for HTTP Header Fields
identifying-protocols - Identifying Protocols
json-home - Home Documents for HTTP APIs
link-template - The Link-Template HTTP Header Field
linked-cache-inv - Linked Cache Invalidation
rfc5988bis - Web Linking
scoping-protocols - Scoping Protocols for the Internet
site-wide-headers - Site-Wide HTTP Headers
structured-headers - None
thanks-larry - Reserving the 418 HTTP Status Code
variants - HTTP Variants
wugh-services - Using Third Party Services for IETF Work