Public Call is a secret santa fic exchange for Doctor Who and its various related fandoms, run through LJ and AO3. Participants sign up to write a story of at least 1,000 words involving a relationship between two or more characters someone else has requested. In return, they receive a story of at least 1,000 words with a relationship they have requested.
All Whovian canons are welcome, from the TV show to the novels to The Curse of Fatal Death. RPF is not included.
"Relationship" encompasses all kinds of relationships, from familial to friendship to romance, from platonic to explicitly sexual etc. (Writers are free to write any relationship as a pairing/moresome or as gen.)