A few OSS projects:

- NookJS: a Javascript/Typescript interpreter and sandbox written in Typescript (https://nookjs.dev)

- Litz: a thin React meta framework that uses RSC as purely a server transport, allowing for more flexible client/server architectures (https://litzjs.dev)

- Nativite: a Vite plugin for building for native platforms using web technologies, with a custom plugin/platform support (https://github.com/samlaycock/nativite)

- superformdata: superjson but for FormData/URLSearchParams (https://github.com/samlaycock/superformdata)

- NoSQL ODM: ODM for various noSQL (and “unstructured” SQL) data stores, supporting both lazy and active data migration strategies (https://github.com/samlaycock/nosql-odm)