Where is Sci-Hub now?. Nice idea of using Sci-hub preferred tag from WikiData folks. A Node.JS Express app hosted on Heroku platform.
The Missing UI for Elastic Search - DejaVu. Should be interesting to explore more on this self-claimed missing web UI. A good starting point would be to follow discussions at HN. The general argument against ES seems to be that it was designed for full text search but is popular as a log analyzer. Pilosa seems to be a new kid in this space.