Showly - Showly is a free and open-source TV shows tracking application that is created with the help of TV show lovers.
Foundler - Online hackathon weekends. Attend every other week.
MyEpisodes.com - MyEpisodes is your personal TV assistant with alot of loved features including episodes checklist, rss feeds, automatic state view, calendar and more. You'll love this website as you will travel through its features.
HackHub - Host tech events and hackathons with ease 👨💻🛠
Sharkle - Generator of random awesomeness
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.