1. Express
Express is a fast and minimalistic Node.js web framework that gives the developer a fair amount of freedom to create web servers.
2. Socket.io
Socket.io enables real-time, event-based, two-way communication systems in applications.
3. Body-parser
Body-parser is a package that allows you to parse request bodies stored in
req.body, acting as middleware for Express-based servers. It processes requests before they reach the appropriate handlers.
4. Cors
Cors is a package containing a Connect / Express middleware implementation that allows you to configure and use CORS .
5. Passport
Passport is an Express-compatible authentication system for Node.js.
The only challenge the passport package aims at is authenticating requests. Request processing is done using a configurable set of plugins known as "strategies".
6. Multer
Multer is Express middleware for handling data like
multipart/form-data. Such data is mainly sent to the server when uploading files. Please note that this library does not handle data other than multipart/form-data.
7. Axios
Axios is a promise -based HTTP client for browsers and the Node.js platform.
8. Morgan
Morgan is an HTTP request logging system.
9. Http-errors
Http-errors is a library for generating HTTP errors. It can be used with various web frameworks like Express, Koa, Connect.
10. Dotenv
Dotenv is a module that has no dependencies. It is designed to load environment variables from a .env file into process.env . Using this mechanism allows you to keep application settings separate from their code.
11. Faker
Faker is a library for generating large amounts of dummy data. It is suitable for browsers and for Node.js.
12. Nodemailer
Nodemailer allows you to send emails from the Node.js environment. This library is very easy to use.
13. Sequelize
Sequelize is an ORM for Postgres, MySQL, MariaDB, SQLite and Microsoft SQL Server. The library is based on promises. When using it, the developer has at his disposal many reliable mechanisms that simplify the work with databases.
14. Mongoose
Mongoose is a library that makes it easy to work with MongoDB. It supports both promises and callbacks.
15. Jest
Jest is a popular and well-supported JavaScript testing framework created by Facebook.
16. Moment
Moment is a lightweight JavaScript library for working with values that represent dates. It allows you to create, parse, check, format such values.
17. Lodash
Lodash is a library that provides a developer with many helper methods that simplify work with arrays, numbers, objects, strings. This library has a modular structure. Lodash can be used, in particular, for the following tasks:
- Bypassing arrays, objects, strings.
- Manipulating values of different types and figuring out the types of values.
- Working with functions (for example, currying and memoization).
18. Chalk
Chalk is a package that allows you to style the text output to the console. It has a user-friendly API.
19. Validator
Validator is a library for validating and clearing string data.
20. Cheerio
Cheerio allows you to parse content that is HTML and XML markup. This library provides the developer with an API to work with what is generated by parsing such material.
21. JSDoc
JSDoc is a system designed to automate the creation of documentation for JavaScript code.
22. Helmet
Helmet allows programmers to secure Express applications by helping them customize various HTTP headers.
23. Crypto-js
Crypto-js is a JavaScript library containing implementations of various cryptographic mechanisms.
What libraries for Node.js do you find most useful?
