2. PaxThe fastest JavaScript bundler in the galaxy.
4. EscayaAn blazing fast 100% spec compliant, incremental javascript parser written in Typescript
5. RegexpuA source code transpiler that enables the use of ES2015 Unicode regular expressions in ES5.
9. Kitsu🦊 A simple, lightweight & framework agnostic JSON:API client
10. Es HowtoHow to read the ECMAScript specification (ECMA-262)
11. WebcellWeb Components engine based on JSX & TypeScript
15. CherowVery fast and lightweight, standards-compliant, self-hosted javascript parser with high focus on both performance and stability
19. Shapeshifter🐺 Generate relational schemas, PropTypes, Flow aliases, and TypeScript interfaces from JSON or GraphQL schematic files.
21. RegexppThe regular expression parser for ECMAScript.
23. EstemplateProper (AST-based) JavaScript code templating with source maps support.
24. Msiejavascriptengine.NET wrapper for working with the JavaScript engines of Internet Explorer and Edge Legacy (JsRT versions of Chakra, ActiveScript version of Chakra and Classic JavaScript Engine). Project was based on the code of SassAndCoffee.JavaScript and Chakra Sample Hosts.
25. BuntisA 100% compliant, self-hosted typescript parser that emits an ESTree-compatible AST
27. NeoCreate blazing fast multithreaded Web Apps
28. Ecmascript SublimeECMAScript/JavaScript syntax (ES2015-ES2018, JSX, template highlighting, etc) with absurdly specific scopes
29. Esvuesvu is your one-stop shop for all implementations of ECMAScript.
31. Jetpack.jsA ECMAScript bundler and minifier implemented in C++ aimed at excellent performance.
36. ReoscriptJavaScript-like script language engine for .NET Application. Easy to plug in .NET Application and making API extension for script. Enhanced syntax and features are also available such as lambda expression, call setTimeout with arguments, etc...
38. SmorebotSmoreBot is a fun, lightweight, multipurpose bot packed with features.
39. Esdispatchtrigger events based on esquery selectors during a traversal of a SpiderMonkey format AST
46. MeriyahA 100% compliant, self-hosted javascript parser - https://meriyah.github.io/meriyah
47. Es4x🚀 fast JavaScript 4 Eclipse Vert.x
48. JsescGiven some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.