Foundler - Online hackathon weekends. Attend every other week.
Mockups Design - Mockups Design is the most leading web-based application that comes with a vast collection of creatively design mockups for all kinds of products and devices.
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.
Anthony Boyd Graphics - Anthony Boyd Graphics is the fastest-growing platform that offers high-quality and advanced level mockups, textures, 3D models, and UI kits for free to help designers to save time and effort.
HackHub - Host tech events and hackathons with ease 👨💻🛠
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.