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Intro to Psychology
3h28m
18 exercises

Introduction to Psychology Lecture Videos
16h21m
34 exercises

The Future of Neuromarketing
1h01m
6 exercises

Introduction to Psychology
18h43m
30 exercises

Introduction to Psychology
18h43m
20 exercises

Child and Adolescent Mental Health
46m
21 exercises

Cognitive Psychology
21h18m
38 exercises

Psychology Class
12h34m
22 exercises

Fundamentals of Psychology
6h41m
34 exercises

Introduction to Psychology
23h01m
23 exercises

Introduction to Psychology
24h28m
23 exercises

Psychotherapy
1h02m
9 exercises

Psychology complete course
5h46m
39 exercises

Psychology - Emotion and Motivation
2h59m
20 exercises

Decoding the Brain
1h10m
6 exercises

The Human Brain
20h09m
17 exercises

Free CourseConvolutional Neural Networks for Computer Vision: Detection, Recognition
New
6h01m
26 exercises

Free CourseJasmine Testing Framework Course
New
8h45m
27 exercises

Free CourseMastering Jest in React – The Complete Testing Series
New
1h17m
10 exercises

Free CourseFrench Pronunciation Course: Master Vowels, Nasals and the French R
New
1h43m
21 exercises

Free CourseReactJS Course For Beginners
New
8h29m
17 exercises

Free CourseManagerial Accounting Complete Course
31h51m
42 exercises

Free CourseReact Hooks Tutorial
New
1h17m
2 exercises

Free CourseReact Basic Hooks
New
1h32m
12 exercises

Free CourseAll 12 English Tenses (Complete Guide)
10h38m
17 exercises

Free CourseJavaScript Objects and Prototypes In-depth
New
2h15m
13 exercises

Free CourseReact.js Unit Testing and Integration Testing Tutorial
New
3h36m
3 exercises

Free CourseEnglish Grammar for Beginners (A1) Complete Foundations Course
2h24m
23 exercises

Free CourseEnglish Pronunciation Course: Master All 44 IPA Sounds and Clear Speaking
1h21m
22 exercises

Free CourseCSS Complete Tutorial
8h30m
49 exercises

Free CourseComplete ECMAscript6 ES6 Course
New
5h58m
51 exercises

Free CourseUsing the Fetch API in JavaScript and ASP.NET Core
New
1h14m
6 exercises

Free CourseWorking
New
4h36m
19 exercises

Free CourseAsynchronous JavaScript: From Callbacks to Async/Await
New
2h05m
19 exercises

Free CourseMaster All 49 American English Sounds: Vowels and Consonants
New
7h39m
41 exercises

Free CourseEasy English Conversations for Beginners: Daily Life and Simple Questions
59m
13 exercises
Interactive tutorials
Describe and understand daily routines using Spanish reflexive verbs. Practice pronoun agreement, common stem changes, natural expressions for personal care, and pronoun placement with infinitives, then write a connected routine of your own.
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Use the French subjunctive to express emotion, doubt, and necessity with precision. Choose between the subjunctive, indicative, and infinitive, interpret nuanced expressions, and select the right tense in realistic communication.
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Learn to describe completed past events using the passé composé with avoir. Build affirmative sentences, negatives, and questions; use common irregular participles; handle object pronouns and agreement; and write a short account of what happened.
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Learn to greet someone, exchange names, ask how they are, and say goodbye in French. Practice short conversations and choose polite or casual expressions for everyday situations.
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Design, diagnose, and evaluate advanced RAG systems using an engineering-documentation case study. Make evidence-based decisions about indexing, hybrid retrieval, reranking, grounded generation, evaluation, security, and operational trade-offs. Exercises use supplied documents, traces, and small Python examples without requiring external services.
Start tutorial
Build and evaluate prompts that combine few-shot examples, clearly scoped roles, and structured reasoning. Practice with a self-contained support-triage case, learn when each technique helps, and assess outputs for accuracy, consistency, and unsupported claims. No coding or separate AI tool is required.
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Learn what AI is, how models learn from examples, and how they produce predictions or generated content. By the end, you will be able to explain a simple AI workflow, recognize common limitations, and choose practical checks for using AI responsibly.
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Use the Spanish imperfect subjunctive accurately in past reports, hypothetical conditions, wishes, and polite requests. Learn to choose forms and moods according to time, speaker perspective, and communicative intent, then apply them in a coherent Spanish message.
Start tutorialExercises
Test your knowledge of diabetes medications, including mechanisms, adverse effects, insulin profiles, and safe clinical use.
Start exercisesTest your ability to use a, an, the, and no article correctly in practical English sentences.
Start exercisesTest your knowledge of numerical differentiation, integration, ODE solvers, stability, convergence, and computational modeling.
Start exercisesTest your knowledge of patents, trademarks, copyrights, trade secrets, ownership, licensing, and IP protection for new ventures.
Start exercisesTest your ability to identify causal flaws, confounders, alternative explanations, and evidence that strengthens causal conclusions.
Start exercisesTest your knowledge of ZIP archives, lossless compression, extraction, compression ratios, multipart files, and archive safety.
Start exercisesThousands of online courses in video, ebooks and audiobooks.
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How to Build a Project Risk Register: A Simple Step-by-Step Guide
Build a project risk register step by step: identify risks, score probability and impact, choose responses and review them regularly.

Social Norms Explained: Folkways, Mores and Laws in Everyday Life
Learn how sociology separates folkways, mores and laws, how norms are enforced, and why they change across cultures.

How to Read Guitar Chord Diagrams: A Beginner’s Visual Guide
Learn to read guitar chord diagrams: strings, frets, dots, open and muted strings, finger numbers and barre marks.

BPM and Beatmatching: A Beginner’s Guide to Mixing Two Tracks Smoothly
Learn what BPM means, how beatmatching works and how phrasing and EQ turn two songs into one smooth mix. A clear starting point for new DJs.

How Push Notifications Work: From Your Server to the User’s Lock Screen
See how push notifications travel from an app server through APNs or FCM to a phone, plus permissions, message types and tips for useful alerts.

Russian Cases Explained: A Beginner’s Guide to the Six Cases
Russian cases look scary, but each one has a clear job. Learn the six cases, the questions they answer and simple examples to start using them.

Fingerspelling in American Sign Language: What It Is and How to Start
Fingerspelling lets signers spell words letter by letter on one hand. Learn when it is used, how to practice, and common beginner mistakes to avoid.

Active vs. Passive Range of Motion: How Physiotherapists Check Joint Movement
Range of motion shows how far a joint can move. Learn the difference between active, passive and active-assisted movement and why it matters in recovery.
Nowadays, the internet offers a wide range of free courses for those who want to improve their qualifications and, consequently, increase their knowledge and even guarantee better opportunities in the job market. However, it is necessary to be careful not to fall into holes and end up wasting time.
First, think of a course on any topic. Now imagine being able to do it without paying anything for it – not even for the certification at the end of it. That's what you find at Cursa, a project focused on offering free courses and content through the website and application available for iOS and Android.
As mentioned above, Cursa courses are not only available in the most varied segments – but also completely free and online. You can still do them any day or time of day, depending solely on your availability.
That's what you read. Want to become an entrepreneur? Learn to do complicated math? Want to improve your writing? Learn to program? Improve skill with spreadsheets?
Having decided that, go to the Cursa app or website to check the available course options and start yours as soon as possible. With Cursa you not only take the courses but leave with the certification in hand.
To take a free online course, the first step is to decide what you want to learn.
And there's more: if you can't decide between one topic or another, you can also start with a knowledge trail. Trails are currently available with diverse content for those who: want to make an extra income or start a new venture in the comfort of their own home, work as an operator or inspector in supermarkets, become a Front End or software developer or want to start a business, but don't even know where to start.
At Cursa you will find courses to increase your professional qualification even if you are unemployed, since the courses are free and even certified. In this way, you can take advantage of your free time to study and can also include them in your resume, increasing your chances of getting a good job in the job market.
Not sure what to choose? Cursa offers a wide range of courses in the areas of computers, languages, high school, management and business, health, music, law, art and design and so on.
About
After completing the course you will have free access to the digital certificate of course completion.
How to get it for free: It is only possible to issue the certificate in our application, which can be downloaded from Google Play or App Store, so you can take the online course here and use the app only to issue the certificate. Being that you can also take the courses through the app if you wish.
In digital format: After completing the course and generating the certificate through the application, the image of the same will be generated in the photo gallery of your cell phone and will also be sent to your email.
Why the certificate is important: You can use it to improve your resume, to rise in careers or positions, to enrich your knowledge and among several other applications.
See more about the Certificate
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