NCBI Databases and Tools
https://www.ncbi.nlm.nih.gov/guide/sitemap/
Be sure to cite NCBI databases and tools properly, https://support.ncbi.nlm.nih.gov/link/portal/28045/28049/Article/451/How-do-I-cite-NCBI-services-and-databases
OrthoDB, catalogue of orthologs
http://www.orthodb.org/
Magic-BLAST is a tool for mapping large next-generation RNA or DNA sequencing runs against a whole genome or transcriptome.
ftp://ftp.ncbi.nlm.nih.gov/blast/executables/magicblast/README
Travis CI - for continuous integration of code, works with GitHub
https://travis-ci.org/
Previous Hackathon projects
https://github.com/NCBI-Hackathons
F1000 Hackathon Collection
https://f1000research.com/collections/hackathons