JetBrains
The developer-tools company that created and funds Kotlin — the language paged as this spoke’s second programming language. The Kotlin Foundation (a JetBrains–Google body) holds the trademark and stewards the language, while JetBrains bears the development cost.
JetBrains is better known for its IDE line (IntelliJ IDEA, and the platform under Android Studio), which is the developer-tooling stratum this node opens — the spoke has compilers (typescript-7-go-compiler), a VCS (git), and languages (dart, kotlin), but no IDE/LSP source yet. Thin, evidence-only node for now (paged as Kotlin’s maker); deepen it if a JetBrains IDE or tooling source lands.