Base modules are those that are installed by default.
| Module | Description |
| acorn | A tiny, fast JavaScript parser. |
| base64 | base64 encoding/decoding module (btoa, atob) |
| chai | Chai is a BDD / TDD assertion module. |
| chartjs | Chart.js is module for data visualization |
| codemirror | CodeMirror is a versatile text editor for the browser. It is specialized for editing code, and comes with a number of language modes and addons that implement more advanced editing functionality. |
| crc | The module for calculating Cyclic Redundancy Check (CRC) |
| crypto-js | Library of crypto standards |
| datatable | Advanced table UI contol. |
| dialog | Dialog UI control. |
| dompurify | DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG |
| ds1621 | ds1621 temperature sensor driver |
| encoding | The Encoding API provides a mechanism for handling text in various character encodings, including legacy non-UTF-8 encodings. The API provides four interfaces: TextDecoder, TextEncoder, TextDecoderStream and TextEncoderStream. |
| events | EventTarget is an interface implemented by objects that can receive events and may have listeners for them. |
| fifo | Module for named pipes (a.k.a FIFO) |
| file | Module for representing file objects in web applications, as well as programmatically selecting them and accessing their data. This includes: File, FileReader, Blob, FileList |
| _File | |
| filesystem | Filesystem interaction module |
| gui | GUI library including most used standard controls such as button, icon, tab, accordion, etc. |
| i2c | Module allows i2c access through the I2C /dev interface |
| indexeddb | Module for storage of significant amounts of structured data, including files/blobs. |
| jshashes | Module implementing the most extended cryptographic hash function algorithms |
| jshint | Module for flagging suspicious usage in programs written in JavaScript. |
| json-rpc | A stateless, light-weight remote procedure call (RPC) module |
| later | Library for defining recurring schedules and calculating future (or past) occurrences for them. Includes support for using English phrases and Cron schedules. |
| layout | GUI control for defining the structure of the web appliation |
| mimetype | File extension and mimetype assignment module |
| moment | Date library for parsing, validating, manipulating, and formatting dates. |
| numbro | Module for converting, formatting, and manipulating all your numbers, in more than 30 languages |
| numeral | Module for formatting and manipulating numbers. |
| os | Module for the usage of operating system dependent functionality. |
| path | Module provides utilities for working with file and directory paths. |
| picker | Advanced GUI controls such as, datepicker, colorpicker, etc. |
| pin | |
| pwm | |
| querystring | |
| richbox | |
| serial | |
| server | |
| sleep | |
| smtpclient | |
| socket | |
| subprocess | |
| tar | |
| terser | |
| tson | |
| ubjson | |
| uglifyjs | |
| upspico | |
| url | |
| webcomponent | |
| websocket | |
| web-streams | |
| Worker | Enables the use of threads that execute JavaScript in parallel |