Skill Packs
252 complete modules, each a subject taught lesson by lesson with a project, matched to the free certifications that test it and the free library resources that prepare you. Choose your technology, your branch or your industry.
Pick a technology you want to learn, from first programs to cloud, AI and security.
Programming and software
FND-01Beginner
Python programming
Python from the first line of code to production-quality, tested code: the language every data and AI role starts with.
37 hours 15 lessons 🎓 4 free certifications 📚 8 library resources
FND-02Beginner
Developer toolkit: command line, Git and AI coding assistants
The everyday tools of a developer or data professional: the terminal, environments, editors, Git and GitHub, and coding with AI assistants responsibly.
16 hours 8 lessons 🎓 1 free certification 📚 8 library resources
JAV-01Beginner
Java programming
Java from the first program to collections, streams, concurrency and JDBC, the way enterprise teams write it, ending in a tested command-line application.
32 hours 12 lessons 🎓 1 free certification 📚 5 library resources
JST-01Beginner
JavaScript and TypeScript
Modern JavaScript and TypeScript for the browser and Node.js: the language, asynchronous code, types, modules and tooling, ending in a typed API client.
32 hours 12 lessons 🎓 1 free certification 📚 5 library resources
WEB-01Beginner
Web development: HTML, CSS and React
Build responsive, accessible websites from HTML and CSS to a React front end that talks to an API, and deploy it for anyone to use.
34 hours 12 lessons 🎓 1 free certification 📚 8 library resources
DSA-01Beginner
Data structures and algorithms
The data structures and algorithms interviews and real programs rely on, from arrays and hash maps to graphs and dynamic programming, with the thinking for choosing between them.
36 hours 12 lessons 🎓 1 free certification 📚 5 library resources
CPR-01Beginner
C programming
C from first principles: types, pointers, memory, structures and files, the base of operating systems, embedded devices and every other language.
32 hours 12 lessons 📚 5 library resources
CPP-01Beginner
C++ programming
Modern C++ from classes to templates and the standard library, for systems, games, finance and performance-critical software.
32 hours 12 lessons 📚 5 library resources
GOL-01Beginner
Go programming
Go for cloud and backend work: the small language, goroutines and channels, HTTP services, testing and shipping a single static binary.
32 hours 12 lessons 🎓 1 free certification 📚 4 library resources
RST-01Beginner
Rust programming
Rust for safe, fast systems code: ownership and borrowing, traits, error handling and concurrency, ending in a command-line tool.
34 hours 12 lessons 📚 4 library resources
CSH-01Beginner
C# and .NET
C# and modern .NET from the language to a web API with Entity Framework, the stack many enterprises and game studios use.
34 hours 12 lessons 🎓 1 free certification 📚 4 library resources
PHP-01Beginner
PHP and Laravel
Modern PHP and the Laravel framework: routing, Eloquent, authentication, testing and deployment, the stack behind a large share of the web.
33 hours 12 lessons 📚 7 library resources
SHL-01Beginner
Shell and PowerShell scripting
Automate the boring parts of IT work with Bash and PowerShell: files, text, processes, scheduling and small tools you can trust.
28 hours 12 lessons 🎓 1 free certification 📚 4 library resources
MOB-01Beginner
Mobile app development
Build Android and iOS apps from one codebase with Flutter or React Native: screens, state, local storage, APIs and publishing basics.
32 hours 12 lessons 📚 5 library resources
APP-01Advanced
AI application engineering and system design
Turning models into products people use: APIs with FastAPI, databases, front ends, authentication, Gen AI product design and AI system design interviews.
22 hours 9 lessons 🎓 1 free certification 📚 8 library resources
QA-01Beginner
AI for software testing
Testing with AI and testing AI: AI-generated tests, AI-assisted automation with Playwright, testing LLM apps and agents, and quality engineering for AI systems.
23 hours 10 lessons 🎓 1 free certification 📚 8 library resources
DEV-01Beginner
Developer toolkit: APIs, editors, notebooks and labs
The tools that make developers faster: working with APIs, an editor or IDE set up properly, notebooks and cloud labs, and the practice sandboxes where you can break things safely.
28 hours 11 lessons 🎓 1 free certification 📚 8 library resources
AI and machine learning
MTH-01Beginner
Mathematics for machine learning
The linear algebra, calculus and probability behind machine learning, taught with code and pictures rather than proofs.
21 hours 10 lessons 📚 8 library resources
ML-01Beginner
Machine learning
Framing business problems as machine learning and solving them with scikit-learn: regression, classification, ensembles and clustering, evaluated the right way.
32 hours 14 lessons 🎓 2 free certifications 📚 8 library resources
ML-02Advanced
Feature engineering, tuning and responsible machine learning
What turns a working model into a good, trustworthy one: features, leakage, imbalanced data, tuning, explanations and fairness.
24 hours 10 lessons 🎓 2 free certifications 📚 8 library resources 5.0 · 🤝 Human-centred
DL-01Advanced
Deep learning
Neural networks in PyTorch (and Keras): how they learn, training them well, images with CNNs and transfer learning, and sequences with RNNs and LSTMs.
29 hours 12 lessons 🎓 2 free certifications 📚 8 library resources
CV-01Advanced
Computer vision
Seeing with AI: object detection, segmentation, OCR and video, with YOLO and vision transformers, deployed to the cloud or a small device.
24 hours 10 lessons 🎓 1 free certification 📚 8 library resources
NLP-01Advanced
Natural language processing
Working with text: cleaning, embeddings, transformers with Hugging Face, classification, entities, summaries, sentiment and topics, including Indian languages.
24 hours 10 lessons 📚 8 library resources
TS-01Advanced
Time series and forecasting
Forecasting demand, sales and load: trends, seasonality and festival effects, classic and machine learning forecasts, anomalies and honest back-testing.
21 hours 9 lessons 🎓 1 free certification 📚 8 library resources
REC-01Advanced
Recommendation and personalisation systems
How e-commerce, streaming and fintech apps decide what to show you: collaborative filtering, content-based and hybrid recommenders, ranking and online testing.
20 hours 9 lessons 📚 7 library resources
VOX-01Advanced
Voice AI and voice agents
Speech in and out: speech-to-text, text-to-speech and real-time voice agents for customer support and services, in English and Indian languages.
21 hours 10 lessons 🎓 1 free certification 📚 7 library resources
Generative AI and agents
GEN-01Beginner
Generative AI foundations: how LLMs work and how to call them
How large language models work and are trained, the 2026 model landscape, calling LLM APIs and open models, multimodal input, and using them responsibly.
18 hours 11 lessons 🎓 2 free certifications 📚 8 library resources
GEN-02Beginner
Prompt and context engineering with structured outputs
Getting reliable, testable answers from LLMs: prompt patterns, context engineering, structured outputs, tool calling, extraction at scale and prompt testing.
21 hours 11 lessons 🎓 1 free certification 📚 8 library resources
GEN-03Advanced
Generative AI with retrieval-augmented generation (RAG) and vector databases
Grounding answers in your own documents, and proving with tests that they are right: document pipelines, vector databases, better retrieval, advanced RAG patterns, evaluation and guardrails.
28 hours 13 lessons 🎓 2 free certifications 📚 8 library resources
GEN-04Advanced
Fine-tuning, small language models and model serving
When and how to fine-tune: datasets, LoRA and QLoRA on one GPU, small models for low cost and the edge, quantisation and serving with vLLM, and evaluating the result.
20 hours 10 lessons 📚 8 library resources
GEN-05Advanced
AI security, safety and governance
Keeping AI systems safe and lawful: the OWASP Top 10 for LLM applications, prompt injection and red-teaming, data protection, fairness, and AI governance in India and abroad.
17 hours 9 lessons 🎓 2 free certifications 📚 8 library resources 5.0 · 🤝 Human-centred
AGT-01Expert
Agentic AI: AI agents, MCP and multi-agent systems
Agents that plan, call tools and hand off work, built with the frameworks and protocols employers ask for.
29 hours 13 lessons 🎓 2 free certifications 📚 8 library resources
Data and analytics
FND-03Beginner
SQL and databases
Asking questions of data in SQL, from the first SELECT to window functions and query plans, and how databases are designed, including NoSQL and graph databases.
32 hours 13 lessons 🎓 3 free certifications 📚 8 library resources
DAT-01Beginner
Excel and spreadsheets for analysis
Excel and Google Sheets the way analysts use them every day, with AI to help and the habit of checking its work.
26 hours 11 lessons 📚 6 library resources
DAT-02Beginner
Data wrangling with NumPy and pandas
Loading, cleaning, joining and reshaping real, messy data in Python, and checking it before anyone relies on it.
27 hours 11 lessons 🎓 1 free certification 📚 8 library resources
DAT-03Beginner
Statistics and probability
The statistics every analyst and data scientist uses: describing data, probability, sampling, tests and A/B experiments, with the traps to avoid.
24 hours 10 lessons 📚 8 library resources
DAT-04Beginner
Data visualisation, metrics and storytelling
From question to insight to recommendation: exploratory analysis, charts that tell the truth, the metrics a business runs on, and presenting to decision-makers.
18 hours 8 lessons 🎓 2 free certifications 📚 7 library resources
DAT-05Beginner
Business intelligence with Power BI, Fabric and Tableau
Dashboards companies run on: Power Query, data models, DAX, report design, publishing and security in Power BI and Microsoft Fabric, and the same in Tableau.
26 hours 10 lessons 🎓 1 free certification 📚 6 library resources
DAT-06Advanced
Data engineering and big data
Moving and preparing data at scale: ETL and ELT pipelines, scheduling, Spark and Databricks, Delta tables and dbt.
21 hours 9 lessons 🎓 2 free certifications 📚 8 library resources
DSC-01Advanced
Data science: the full lifecycle
Run a data science project from the business question to a delivered result: scoping, data collection, analysis, modelling, communication and handing over something a team can use.
30 hours 10 lessons 🎓 3 free certifications 📚 7 library resources
Databases
PGS-01Advanced
PostgreSQL and MySQL in depth
Run relational databases like a database engineer: schema design, indexes, query plans, transactions, backups and replication on PostgreSQL and MySQL.
32 hours 11 lessons 🎓 2 free certifications 📚 7 library resources
MDB-01Beginner
MongoDB and document databases
Model and query data as documents with MongoDB: CRUD, the aggregation pipeline, indexes, schema design patterns and Atlas.
32 hours 11 lessons 🎓 1 free certification 📚 8 library resources
DBD-01Beginner
Database design and internals
How good databases are designed and how they work inside: modelling, normalisation, storage engines, indexing structures, transactions and recovery.
30 hours 11 lessons 🎓 1 free certification 📚 8 library resources
RED-01Beginner
Redis and key-value stores
Use Redis for caching, sessions, queues and real-time features: data types, expiry, persistence, patterns and running it safely.
26 hours 10 lessons 📚 4 library resources
CAS-01Advanced
Cassandra and wide-column stores
Design for scale with Apache Cassandra: query-first data modelling, partitions, tunable consistency and operating a multi-node cluster.
30 hours 10 lessons 📚 4 library resources
GRA-01Beginner
Graph databases with Neo4j
Model connected data as a graph with Neo4j and Cypher: recommendations, fraud rings, knowledge graphs and how they feed AI applications.
27 hours 10 lessons 🎓 1 free certification 📚 4 library resources
ORA-01Beginner
Oracle and SQL Server
The two enterprise relational databases most large companies run: their SQL dialects, PL/SQL and T-SQL, administration basics and performance tuning.
30 hours 10 lessons 📚 5 library resources
TSD-01Advanced
Time-series, search and analytics databases
Databases built for metrics, logs and search: InfluxDB or TimescaleDB for time series, Elasticsearch for search, and columnar engines such as ClickHouse for fast analytics.
27 hours 9 lessons 📚 6 library resources
Cloud and DevOps
LNX-01Beginner
Linux and networking
Work confidently on Linux servers and understand the network under them: the shell, users and permissions, services, packages, TCP/IP, DNS and troubleshooting.
30 hours 11 lessons 🎓 1 free certification 📚 4 library resources
OPS-01Beginner
Containers, CI/CD and cloud foundations
The deployment basics every data and AI engineer needs: Docker, CI/CD pipelines, secrets and environments, infrastructure as code, Kubernetes basics and the three big clouds.
24 hours 11 lessons 🎓 1 free certification 📚 8 library resources
K8S-01Advanced
Kubernetes in depth
Run real workloads on Kubernetes: pods, deployments, services, configuration, storage, scaling, security and troubleshooting, using a local cluster and a managed one.
32 hours 11 lessons 📚 6 library resources
IAC-01Advanced
Infrastructure as code with Terraform and Ansible
Build and change cloud infrastructure from code you can review and repeat: Terraform for provisioning, Ansible for configuration, with state, modules and pipelines.
29 hours 10 lessons 📚 6 library resources
OBS-01Advanced
Observability and site reliability
Keep systems reliable and know when they are not: metrics, logs and traces, dashboards, alerts, service-level objectives and incident response.
28 hours 10 lessons 📚 4 library resources
OPS-02Advanced
MLOps: deploying and running machine learning models
Getting models into production and keeping them healthy: experiment tracking and registries, serving patterns, deployment strategies, monitoring, drift and retraining, and managed ML platforms.
24 hours 11 lessons 🎓 1 free certification 📚 6 library resources
OPS-03Advanced
LLMOps: deploying Generative AI and agents
Running LLM apps and agents in production: platforms, prompt and model versioning, evaluation gates, release strategies, routing and fallbacks, cost and latency, observability and feedback.
21 hours 11 lessons 🎓 1 free certification 📚 8 library resources
CLD-AZAdvanced
Azure AI: Microsoft Foundry, Azure OpenAI and agents
Building and deploying AI on Microsoft Azure: Microsoft Foundry and Azure OpenAI, Azure AI Search, agents, AI services, Azure Machine Learning, security and cost, with AI-901 and AI-103 preparation.
28 hours 12 lessons 🎓 1 free certification 📚 8 library resources
CLD-AWSAdvanced
AWS AI: Amazon Bedrock, agents and SageMaker AI
Building and deploying AI on Amazon Web Services: Bedrock models, Knowledge Bases, Agents and AgentCore, Guardrails, AI services, SageMaker AI, security and cost, with AWS AI certification preparation.
28 hours 12 lessons 🎓 1 free certification 📚 8 library resources
CLD-GCPAdvanced
Google Cloud AI: Vertex AI, Gemini and agents
Building and deploying AI on Google Cloud: Gemini on Vertex AI, Model Garden, Vertex AI Search, Agent Builder and the Agent Development Kit, AI APIs, BigQuery ML, security and cost, with Google Cloud AI certification preparation.
28 hours 12 lessons 🎓 1 free certification 📚 8 library resources
CLA-01Advanced
Cloud architecture and other clouds
Design systems that are secure, reliable and affordable on any cloud: well-architected principles, networking, high availability, cost control and a first look at Oracle, IBM and DigitalOcean.
29 hours 11 lessons 🎓 2 free certifications 📚 6 library resources
Cybersecurity
SEC-01Beginner
Cybersecurity fundamentals
The base of every security career: threats, the CIA triad, risk, identity, the common attacks, basic defences and the laws and frameworks behind them.
27 hours 11 lessons 🎓 3 free certifications 📚 7 library resources
SEC-02Advanced
Network security
Protect and test networks: firewalls, VPNs, segmentation, wireless, intrusion detection and the packet-level view of attacks.
27 hours 9 lessons 🎓 2 free certifications 📚 6 library resources
SEC-03Advanced
Security operations (SOC) and incident response
Work in a security operations centre: monitoring, SIEM, triage, threat intelligence, incident response and forensics basics.
29 hours 10 lessons 🎓 1 free certification 📚 8 library resources 5.0 · 🛡️ Resilient
SEC-04Advanced
Ethical hacking and penetration testing
Learn how attackers think so you can find weaknesses first: reconnaissance, scanning, exploitation and reporting, practised only on legal labs and with written permission.
29 hours 11 lessons 🎓 1 free certification 📚 6 library resources
SEC-05Advanced
Web and application security
Find and fix the weaknesses behind most breaches in web apps and APIs: the OWASP Top 10, secure coding, authentication, testing tools and a security review.
29 hours 10 lessons 🎓 1 free certification 📚 5 library resources
SEC-06Advanced
Cryptography
How encryption, hashing, signatures and certificates really work and how to use them correctly in applications, without inventing your own.
29 hours 10 lessons 📚 4 library resources
SEC-07Advanced
Cloud security and DevSecOps
Secure cloud accounts and delivery pipelines: identity, network and data controls, container and secret scanning, policy as code and compliance.
28 hours 10 lessons 🎓 1 free certification 📚 5 library resources
SAP and BTP
SAP-01Beginner
SAP business processes and S/4HANA
How companies run on SAP: S/4HANA and its core modules, the organisational structure, the end-to-end processes, and how SAP projects and teams work.
25 hours 12 lessons 🎓 1 free certification 📚 8 library resources
SAP-02Beginner
SAP BTP foundations and security
SAP Business Technology Platform: where it fits next to S/4HANA, the account model and runtimes, connectivity, identity and security, and the developer tools.
16 hours 8 lessons 🎓 1 free certification 📚 8 library resources
SAP-03Advanced
SAP CAP development
Building side-by-side extensions with the SAP Cloud Application Programming Model in Node.js or Java: CDS models, OData services, handlers, Fiori elements, and deploying to BTP.
25 hours 11 lessons 🎓 1 free certification 📚 8 library resources
SAP-04Advanced
ABAP Cloud and RAP
Clean-core development on the ABAP side: modern ABAP syntax, CDS view entities and the ABAP RESTful Application Programming Model, the on-stack option ABAP developers use.
20 hours 10 lessons 🎓 1 free certification 📚 6 library resources
SAP-05Beginner
SAP Build and Integration Suite
Low-code apps and process automation with SAP Build, document extraction, and connecting systems with Integration Suite, API Management and Event Mesh.
21 hours 10 lessons 🎓 1 free certification 📚 8 library resources
SAP-06Advanced
SAP AI Core, AI Launchpad and the Generative AI Hub
Build business AI on SAP's Generative AI Hub, covering every area of the SAP Generative AI Developer certification, plus your own models on AI Core.
27 hours 13 lessons 🎓 1 free certification 📚 8 library resources
SAP-07Expert
Agentic AI in SAP: Joule, Joule Studio AI agents and SAP Build
Custom Joule skills and agents, process automation, integration and low-code apps that work across SAP processes.
22 hours 9 lessons 🎓 1 free certification 📚 8 library resources
SAP-08Advanced
SAP business data, lifecycle and AI governance
The data AI runs on in SAP, analytics with AI, deploying and transporting BTP solutions safely, responsible AI and cost, and solution design the consulting way.
19 hours 9 lessons 🎓 1 free certification 📚 8 library resources
HNA-01Beginner
SAP HANA database
SAP HANA, the in-memory column database under S/4HANA: its architecture, SQL and calculation views, SQLScript and the free HANA Cloud trial.
29 hours 10 lessons 🎓 1 free certification 📚 4 library resources
CFD-01Advanced
SAP BTP Cloud Foundry runtime
Build and run applications on the Cloud Foundry environment of SAP BTP: pushing apps, services and bindings, MTA deployment, routes, scaling and troubleshooting.
29 hours 10 lessons 🎓 1 free certification 📚 8 library resources
KYM-01Advanced
SAP BTP Kyma runtime
Build extensions on the Kyma runtime of SAP BTP, which is Kubernetes with serverless functions and eventing: deploying workloads, API rules, functions and connecting to SAP systems.
27 hours 9 lessons 🎓 1 free certification 📚 8 library resources
Career and workplace skills
WRK-01Beginner
Generative AI at work: Copilot, ChatGPT, AI agents and no-code automation
Use AI assistants safely and well in everyday work: writing, meetings, documents, analysis, research, presentations and simple automations, without coding.
28 hours 17 lessons 🎓 2 free certifications 📚 8 library resources
LCA-01Beginner
Low-code AI: Copilot Studio and the Power Platform
Building AI agents, apps and automations without much code: Microsoft Copilot Studio, Power Apps, Power Automate and AI Builder, plus no-code chatbots on other platforms.
23 hours 10 lessons 🎓 1 free certification 📚 8 library resources
CAR-01Beginner
Career readiness: portfolio, resume and interviews
Getting hired: target roles and a job plan, resume and LinkedIn, portfolio, where to apply, every kind of interview round, and offers.
26 hours 15 lessons 🎓 1 free certification
CAP-01Advanced
Capstone project
An end-to-end industry project from problem to deployed product, built with mentor reviews and presented to a panel the way consulting and product teams work.
24 hours 9 lessons