Core Packages

Overview of Meteor's package ecosystem organized by domain.

Authentication & Accounts

Package Description

accounts-base

Foundation for the user account system

accounts-password

Password-based authentication

accounts-passwordless

Magic-link/token-based authentication

accounts-2fa

Two-factor authentication support

accounts-ui / accounts-ui-unstyled

Pre-built UI components for auth

accounts-oauth

OAuth protocol support

oauth / oauth1 / oauth2

OAuth implementation

oauth-encryption

Encrypted OAuth token storage

service-configuration

OAuth provider configuration

Social Login Providers:

• accounts-facebook , accounts-github , accounts-google

• accounts-twitter , accounts-meetup , accounts-weibo

• accounts-meteor-developer

Data & Database

Package Description

mongo

MongoDB integration and collection API

minimongo

Client-side MongoDB emulation

mongo-id

MongoDB ObjectID generation

mongo-livedata

Reactive MongoDB queries

npm-mongo

MongoDB Node.js driver wrapper

mongo-dev-server

Development MongoDB server

ddp

Distributed Data Protocol meta-package

ddp-common

Shared DDP utilities

ddp-client

DDP client implementation

ddp-server

DDP server implementation

ddp-rate-limiter

Rate limiting for DDP methods/subscriptions

ejson

Extended JSON serialization

Build System & Compilation

Package Description

babel-compiler

JavaScript transpilation via Babel

babel-runtime

Babel runtime helpers

ecmascript

ECMAScript 2015+ support

ecmascript-runtime

ES6+ runtime polyfills

typescript

TypeScript compilation support

modules

ES modules system

modules-runtime

Module runtime implementation

modules-runtime-hot

Hot module reloading runtime

hot-code-push

Live code updates

hot-module-replacement

HMR support

rspack

Rspack bundler integration

boilerplate-generator

HTML boilerplate generation

dynamic-import

Dynamic import() support

caching-compiler

Build cache management

Minification & Assets

Package Description

minifier-js

JavaScript minification (terser)

minifier-css

CSS minification

standard-minifier-js

Default JS minifier package

standard-minifier-css

Default CSS minifier package

standard-minifiers

Meta-package for minifiers

static-html

Static HTML file processing

Web & Server

Package Description

webapp

HTTP server and request handling

webapp-hashing

Asset fingerprinting

reload

Client-side app reload mechanism

reload-safetybelt

Reload failure recovery

autoupdate

Automatic client updates

browser-policy

Content Security Policy

force-ssl

HTTPS enforcement

allow-deny

Collection permission rules

fetch

HTTP Fetch API polyfill

routepolicy

Route-based policies

Client-Side Utilities

Package Description

tracker

Reactive dependency tracking

reactive-var

Single reactive value

reactive-dict

Reactive key-value store

session

Client-side session storage

localstorage

LocalStorage wrapper

socket-stream-client

WebSocket client

random

Cryptographic random generation

check

Runtime type checking

underscore

Utility library

base64

Base64 encoding/decoding

diff-sequence

Array diffing algorithm

id-map

ID-based mapping

ordered-dict

Ordered dictionary

Testing (6 packages)

Package Description

tinytest

Meteor's built-in test framework

tinytest-harness

Test harness utilities

test-helpers

Testing utility functions

test-in-browser

Browser-based test runner

test-in-console

Console-based test runner

Context & Roles

Package Description

context

Request context management (AsyncLocalStorage)

roles

User roles and permissions system

Deprecated Packages (packages/deprecated/ )

40+ legacy packages maintained for backward compatibility:

• UI libraries: amplify , backbone , d3 , handlebars

• Legacy OAuth: facebook , github , google (use accounts-* instead)

• Config UIs: *-config-ui packages

• Others: jquery-history , jshint , jsparse , deps (use tracker )

Development-Only Packages

Package Description

autopublish

Auto-publish all collections (remove in production)

insecure

Allow all database writes (remove in production)

NPM Packages (/npm-packages )

Packages published to npm for external use:

Package npm Name Description

meteor-babel

@meteorjs/babel

Babel wrapper for ES2015+ transpilation

babel-preset-meteor

@meteorjs/babel-preset-meteor

Babel preset with Meteor-specific transforms

meteor-rspack

@meteorjs/rspack

Rspack configuration builder

meteor-promise

meteor-promise

ES6 Promise with Fiber support

meteor-node-stubs

meteor-node-stubs

Node.js core module polyfills for browser

eslint-plugin-meteor

eslint-plugin-meteor

Meteor-specific ESLint rules