Antora Kindfree and open-source software, static site generatorImplemented inJavaScriptDeveloperDan Allen
Servo Kindbrowser engineImplemented inRustDeveloperEmber Arlynx, Emilio Cobos Álvarez, Josh Matthews, Samsung Group, Mozilla Foundation, Linux Foundation
SpiderMonkey KindJavaScript engineImplemented inC, C++, RustDeveloperMozilla Corporation, Mozilla Foundation
Symphonia Kindmultimedia framework, free and open-source softwareImplemented inRustLatest version0.6.1 (August 13, 2026)