RabbitMQ - RabbitMQ is an open source message broker software.
UI Garage - Specific mobile and web design patterns for your inspiration
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
Muzli - UI/UX and Design Inspiration Chrome Extension
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
Design Hunt - Curated design inspiration for everyone