These are projects being worked on by other people, that are sufficiently exciting for me to check up on them often. You might find something here that interests you too.
Frontier Markets Institute — A think tank dedicated to accelerating the development of frontier markets across the globe. (Internship programme).
Playbit — A DOM-like data structure for building collaborative software that works just as well while connected to the Internet as when running offline locally.
Seeds of Science — A new scientific journal and community that aims to address issues in the publishing landscape by providing a peer-reviewed platform for non-traditional scientific writing.
Farcaster — A sufficiently decentralised social protocol.
Moth Fund — Early-stage-focused venture capital firm that aims to increase the agency of extraordinary individuals using both investment dollars and grants.