StackExchange hide closed questions
Hide closed questions on the home page and in other lists of questions. Put a link showing the number of closed questions that have been hidden that shows the closed questions again.
Adds navigation links between the various stackoverflow sister sites, shades the voting control of community wiki posts (ie, non-reputation), adds a "revisions" link to each question and answer, and blocks ads.
ACQUA: StackExchange best answer predictor
G. Gkotsis, K. Stepanyan, C. Pedrinaci, J. Domingue, and M. Liakata. It's all in the Content: State of the art Best Answer Prediction based on Discretisation of Shallow Linguistic Features. In Proceedings of the 2014 ACM Conference on Web Science, WebSci '14, pages 202-210, New York, NY, USA, 2014. ACM.
Auto-Add A Comment When Closing
Automatically adds a comment with details of the close reason, so that the OP can see why their question may be being downvoted, and improve it, before it is closed (disabled for Duplicate, Off-topic > Migrate, and Off-topic > Other)