Babylon.js Kindweb3d framework, graphics engine, free and open-source software, JavaScript libraryImplemented inJavaScript, TypeScriptLicenceApache Software License 2.0
Barracuda Kindweb framework, free softwareLicenceGNU Lesser General Public LicenseUsed forweb framework
Base One Foundation Component Library Kindweb frameworkImplemented inC++DeveloperBase One International
BEdita Kindcontent management system, web framework, free softwareImplemented inPHPLicenceGNU Affero General Public License, version 3.0
Blaze Kindweb framework, JavaScript framework, free and open-source softwareImplemented inJavaScriptLicenceMIT License
Blend4Web Kindweb3d framework, free softwareImplemented inJavaScriptLicenceGNU General Public License
Blink Kindbrowser engineImplemented inJavaScript, C++LicenceBSD licenses, GNU Lesser General Public License
BlueSpice Kindfree software, wiki software, MediaWiki extensionImplemented inPHPLicenceGNU General Public License, version 2.0 or later
Boa Kindopen-source software, free software, JavaScript engineImplemented inRustLicenceUnlicense, MIT License
Bootstrap KindCSS framework, free and open-source softwareImplemented inSass, JavaScript, Cascading Style Sheets, HTMLLicenceMIT License
Box3D Kindmiddleware, free software, physics engineLicenceMIT LicenseLatest version0.1.0 (June 30, 2026)
Buckwalter Arabic Morphological Analyzer Version 1.0 Kindmorphological analysis engine, data setAppeared2002First releaseNovember 8, 2002
Buckwalter Arabic Morphological Analyzer Version 2.0 Kindmorphological analysis engine, data setAppeared2004First releaseDecember 15, 2004
Bulma KindCSS framework, free and open-source software, JavaScript libraryImplemented inSass, JavaScript, Cascading Style SheetsLicenceMIT License
Bun Kindrun-time system, JavaScript runtime, free and open-source software, application framework, package managerImplemented inRustLicenceMIT License