Free Online Courses with Certificate

Harvard's dedicated Python course: functions to unit tests, regex and object-oriented programming.

Harvard's famous intro to computer science, from Scratch and C to Python, SQL and the web.

The University of Helsinki and MinnaLearn's free AI literacy course for non-programmers.

Google's free Skillshop certification for Google Analytics, backed by four free courses from beginner to advanced.

Kaggle's quick start to machine learning: build, validate and improve your first models.

Cisco's short free starter course on cyber threats, protecting your data and what a cybersecurity career looks like.

Dr. Chuck's free Python course and textbook, the same material as his Coursera course.

freeCodeCamp's rebuilt HTML and CSS certification with lessons, workshops, labs and a free exam.

University of Helsinki's in-depth course on React, Node.js, testing, GraphQL and TypeScript.

HubSpot's free certification on answer engine optimisation: staying visible in search and AI-generated answers.

Anthropic's free course on working with AI effectively, efficiently, ethically and safely.

IBM SkillsBuild's free AI learning plan with a shareable IBM digital badge.

Short Open University course on talking about food, eating out and ordering in French.

Short Open University course on places, personal information and café conversations in German.

Open University beginner Spanish on places, directions and getting around Spanish-speaking cities.

Saylor Academy's free financial accounting course, from recording transactions to the statement of cash flows, with a free certificate.

Saylor Academy's free introduction to corporate finance: statements, time value of money, markets, risk and capital budgeting.

Saylor Academy's free marketing principles course, from segmentation to campaign launch and social media, with a free certificate.

Saylor Academy's free project management course covering the full project lifecycle, with a free certificate.

HubSpot's free content marketing certification: storytelling, content strategy, blogging, repurposing, promotion and measurement.

Harvard's free CS50 course on securing accounts, data, systems and software, and on preserving privacy.

Harvard's course on querying, designing and scaling relational databases with SQL.

Harvard's R course: representing, transforming, tidying and visualizing data.

A one-hour free Linux Foundation primer on everyday cybersecurity: malware, breaches, mobile and social network safety.

IBM's free foundational cybersecurity course covering threat actors, attack types, cryptography and incident response, with a Credly badge.

Kaggle's course on fixing missing values, scaling, dates, encodings and messy entries.

IBM SkillsBuild's free data learning plan, ending in a shareable IBM badge.

Kaggle's short course on making line, bar, scatter and distribution charts with seaborn.

A free 10-hour Open University course on how designers think, with a focus on composition and presenting complex information.

HubSpot's free email marketing certification: strategy, segmentation, deliverability, personalisation, design, copy and testing.

Badged Open University course improving everyday English speaking, listening, reading and writing.

A free, lab-heavy Linux Foundation course on instrumenting applications with OpenTelemetry traces, metrics and logs.

Google's free Skillshop certification for building and optimising Google Search campaigns, including AI-powered features.

Google's introductory course on Google Cloud's core infrastructure, products and services.

HubSpot's free certification on the inbound method: attracting, engaging and delighting customers with the flywheel model.

Kaggle's quick introduction to SQL queries using Google BigQuery public datasets.

A free eight-hour Open University introduction to bookkeeping: essential numeracy, double entry, the balance sheet and profit and loss.

An eight-week Open University course on protecting yourself online, with a free badge and statement of participation.

A free overview of DevOps and SRE practices: cloud, containers, infrastructure as code, CI/CD and observability.

A free Linux Foundation course explaining containers, orchestration and Kubernetes architecture, with hands-on Minikube practice.

The Linux Foundation's long-running free course on using Linux from the desktop and command line, through to basic shell scripting.

A free Linux Foundation course on running serverless functions on Kubernetes with OpenFaaS.

University of Helsinki's free Java course in 14 parts, with free certificates for each half.

freeCodeCamp's rebuilt JavaScript certification: language basics to DOM, events and async code.

A free beginner JavaScript course from Cisco and the JavaScript Institute.

An evergreen CSS course on web.dev from the Chrome team, from box model to modern layout.

web.dev's free HTML course on semantics, forms, metadata and accessible markup.

web.dev's free JavaScript course covering the core language from the ground up.

An eight-week Open University course on earning, budgeting, borrowing, credit ratings and planning ahead, with a free badge.

Badged Open University course on budgeting, tax, debt, credit and planning ahead.

A short, free introduction to the Linux command line from Cisco Networking Academy and NDG, with a browser-based practice environment.

Kaggle's short hands-on course on reading, selecting, grouping and cleaning data with pandas.

A free Saylor course on writing clear workplace messages: purpose, audience, drafting and polishing, with a free certificate.

A free Saylor course on managing time, boosting workplace productivity and handling stress, with a free certificate.

A free Saylor course on interpersonal communication: building relationships, listening and improving everyday conversations.

Kaggle's quick Python primer for data science, run entirely in browser notebooks.

freeCodeCamp's new interactive Python certification, launched December 2025, with a free exam.

Cisco and Python Institute's free beginner Python course, aligned with the PCEP exam.

University of Helsinki's free Python course with automatic exercise checking and optional credits.

freeCodeCamp's rebuilt certification on Bash, SQL, PostgreSQL and Git, with a free exam.

A free, under-an-hour SEO crash course from Semrush Academy with Brian Dean, covering keywords, content and backlinks.

Open University creative writing course on building characters and drafting a short story.

Short Open University taster on split brains, memory, relationships and group pressure.

An eight-week Open University course on planning your career, writing strong applications and doing well at interview.

Badged Open University course to help adults return to learning with confidence.

A free course explaining each OWASP Top 10 web application risk, from broken access control to SSRF.

Kaggle's follow-on SQL course: unions, analytic functions, nested data and efficient queries.

Hugging Face's free course on building AI agents, with free certificates.

A free 10-hour Open University course on interaction design: user-centred goals, design principles, research and prototyping.

A free Microsoft Learn path that teaches CI/CD with GitHub Actions, from your first workflow to deploying to Azure.

freeCodeCamp's Node.js, Express and MongoDB certification built around five API projects.

Anthropic's free developer course on the Claude API: prompting, tools, RAG, MCP and agents.

Saylor Academy's free managerial accounting course: costing, cost-volume-profit, budgets, variances and performance evaluation.

Harvard's AI course: search, knowledge, uncertainty, optimization, learning and language.

Harvard's follow-on to CS50x: build and deploy web apps with Django, JavaScript and SQL.

freeCodeCamp's project-based certification in NumPy, pandas and visualization.

A free OpenSSF course on writing secure software: secure design, input validation, safe output, verification and threat modelling.

Open University course on the academic English reading and writing skills needed for university study.

A free, hands-on Cisco course on penetration testing, from scoping an engagement to exploitation and reporting.

freeCodeCamp's updated certification on front-end libraries such as React, with a free exam.

Kaggle's next step in ML: missing values, categorical data, pipelines, XGBoost and leakage.

Kaggle's short course on building and training neural networks with Keras.

The free follow-on to Python Essentials 1, covering intermediate Python and prep for PCAP.