Coupons Free Topics

Search courses

Loading instructor profile…

CouponsVerified Coupons FreeFree Courses TopicsTopics

Search courses and topics

React

Advertise Submit Course

Udemy instructor

Lord Astra

Teaches: IT & Software · Development · Design
Languages: Spanish

Course index: 270 live offers
Students: 44.3K
Average rating: 4.41

First published: Jul 2021
Latest course: Dec 2023
Total content: 146 hours

About

Udemy coupons monitored continuously.

Verified offers, course alerts, precise filters, and browser detection built for learners who want coupons that still work.

Browser tools

Find coupons directly on Udemy.

The extension surfaces an available Comidoc coupon while you browse a Udemy course page.

Useful links

Discover

Blog
Daily Freebies
Most Wanted Coupons
Coupon Statistics
Top Contributors
Udemy Sale Calendar

Services

Pricing
Advertise Here
Developer API
Submit Coupon

Comidoc

About
Contact
Data License
Privacy
Service status
Terms

© 2017–2026 Comidoc

v6.7.50

Independent coupon discovery for Udemy learners

Instructor catalog

All Lord Astra courses

Spring WebFlux y Java Reactivo

Spring WebFlux y Java Reactivo

Spring WebFlux y Java Reactivo

(4.09 with 149 reviews)

875

students

11 hours

content

Sep 2023

updated

$14.99

Docker - De principiante a experto

Docker - De principiante a experto

Docker - De principiante a experto

(4.39 with 464 reviews)

1.4K

students

4.1 hours

content

Jan 2026

updated

Swagger: Gestión de nuestras APIs

Swagger: Gestión de nuestras APIs

Swagger: Gestión de nuestras APIs

(4.26 with 174 reviews)

763

students

5.7 hours

Hacking ético para dummies: conceptos previos

Hacking ético para dummies: conceptos previos

Hacking ético para dummies: conceptos previos

(4.85 with 10 reviews)

20

Criptografía en desarrollo de software

Criptografía en desarrollo de software

Criptografía en desarrollo de software

(3.93 with 7 reviews)

35

students

OWASP, seguridad web

OWASP, seguridad web

OWASP, seguridad web

(4.51 with 693 reviews)

1.8K

students

6.2 hours

Spring y Spring Boot: Aprendiendo de lo básico a lo avanzado

Spring y Spring Boot: Aprendiendo de lo básico a lo avanzado

Spring y Spring Boot: Aprendiendo de lo básico a lo avanzado

(4.45 with 155 reviews)

JavaScript: Patrones de diseño y arquitectura

JavaScript: Patrones de diseño y arquitectura

JavaScript: Patrones de diseño y arquitectura

(4.23 with 62 reviews)

254

Descubriendo el Gobierno de la API

Descubriendo el Gobierno de la API

Descubriendo el Gobierno de la API

(4.14 with 18 reviews)

47

students

3.2 hours

content

Jenkins: Servidor de IC

Jenkins: Servidor de IC

Jenkins: Servidor de IC

(4.40 with 282 reviews)

808

students

5.2 hours

Herramientas de testing en Java

Herramientas de testing en Java

Herramientas de testing en Java

(4.55 with 195 reviews)

681

students

AJAX: De cero a experto

AJAX: De cero a experto

AJAX: De cero a experto

(4.21 with 7 reviews)

16

students

4.2 hours

content

1 2 3

$14.99

content

Nov 2023

updated

$14.99

students

1.5 hours

content

Sep 2023

updated

$14.99

1.7 hours

content

Sep 2023

updated

$14.99

content

Sep 2023

updated

$14.99

1.6K

students

13 hours

content

Jun 2026

updated

$14.99

students

2.9 hours

content

Feb 2026

updated

$14.99

Apr 2025

updated

$14.99

content

Jan 2026

updated

$14.99

5.0 hours

content

Sep 2025

updated

$14.99

Jan 2024

updated

$14.99