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Complete courses for 50+ programming languages, curated resource hubs for every principle, pattern, and tool, and a live feed of the best engineering content on the web — all free, all in one place.

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160+Concepts explained
29kCurated resources
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Language courses

Complete, structured courses for the most popular programming languages — from the first program all the way to expert patterns. Not link dumps.

Python

The most versatile language in the ecosystem. Python powers data science, machine learning, backend systems, automation, and scripting. These are the definitive free resources — vetted, current, and complete.

21 lessons20 resourcesComplete

JavaScript

The language of the web. JavaScript powers browsers, servers (Node.js), desktop apps (Electron), and increasingly the edge. These are the definitive free resources — vetted, current, and complete.

21 lessons21 resourcesComplete

TypeScript

TypeScript is JavaScript with static types. It catches errors at compile time, enables fearless refactoring, and powers the largest codebases in the world. These are the definitive free resources — vetted, current, and complete.

21 lessons20 resourcesComplete

Go

Go is a statically typed, compiled language designed at Google for building simple, reliable, and efficient software at scale. It excels at backend services, microservices, APIs, and concurrent systems.

21 lessons20 resourcesComplete

Java

Java is the bedrock of enterprise software. It powers Android apps, backend systems, big data pipelines (Apache Hadoop, Spark), and financial infrastructure worldwide. These are the definitive free resources — vetted, current, and complete.

21 lessons19 resourcesComplete

Rust

Rust is a systems programming language focused on safety, speed, and concurrency without a garbage collector. It powers everything from embedded devices to cloud infrastructure.

21 lessons22 resourcesComplete

C++

C++ is a systems programming language that gives you complete control over memory and hardware. It powers game engines, browsers (Chrome), operating systems, embedded devices, and high-frequency trading. These are the definitive free resources — vetted, current, and complete.

21 lessons18 resourcesComplete

C#

C# is Microsofts flagship language for the .NET ecosystem. It powers Windows applications, game development (Unity), cloud services on Azure, and cross-platform apps. These are the definitive free resources — vetted, current, and complete.

21 lessons19 resourcesComplete

Swift

Swift is the modern language for Apple platforms — iOS, macOS, watchOS, and tvOS. It is fast, safe, and expressive, powering everything from the iPhone apps you love to server-side systems. These are the definitive free resources — vetted, current, and complete.

21 lessons20 resourcesComplete
Latest from Engineering Blogs

Recent Updates

The freshest articles from across the engineering blogosphere. Updated every 6 hours.

GitHub Old

GitHub Old

7h ago

How the GitHub legal team used Copilot CLI to streamline their workflows

Learn how to build tools to simplify how you work—without writing a single line of code. The post How the GitHub legal team used Copilot CLI to streamline their workflows appeared first on The GitHub Blog.

engineering
Laravel

Laravel

8h ago

Official Laravel Zed Extension: LSP for PHP & Blade

The official Laravel extension for Zed wires up Laravel LSP, giving you completions, hovers, diagnostics, and code actions in PHP and Blade files. The post Official Laravel Zed Extension: LSP for PHP & Blade appeared first on Laravel News. Join the Laravel Newsletter to get Laravel articles like…

engineering
GitHub Old

GitHub Old

9h ago

Turn one giant AI-generated pull request to a reviewable stack

Instead of one huge, un-reviewable pull request, teach coding agents to decompose work into a clean, ordered stack with GitHub stacked pull requests. The post Turn one giant AI-generated pull request to a reviewable stack appeared first on The GitHub Blog.

engineering
GitHub

GitHub

9h ago

Turn one giant AI-generated pull request to a reviewable stack

Think about the last big feature you shipped. Be honest. Did you cram it into one giant pull request, or did you split it into smaller scoped pull requests? For years, you have silently had to decide between watching a pull request grow so large that reviewing it becomes a nightmare or breaking it…

engineering
Nvidia

Nvidia

10h ago

NVIDIA Joins NSF State and Regional AI Hubs Program to Expand AI Research and Education Across the US

NVIDIA is participating in the U.S. National Science Foundation’s (NSF) State and Regional Artificial Intelligence Infrastructure Hubs program, an effort launching today to expand access to the advanced computing, data, software and expertise needed for AI-enabled research and education. Consistent…

engineering
Nvidia

Nvidia

11h ago

NVIDIA Alpamayo 2 Super, the Frontier Open Model for Robotaxis and Autonomous Vehicles, Now Available for Commercial Use

For robotaxis and other autonomous vehicles (AVs), the hardest problems aren’t the everyday scenarios. They’re the rare, complex situations that are difficult to anticipate and train for. Handling these long‑tail events takes more than just object detection and motion prediction. AVs must…

engineering
Nvidia

Nvidia

11h ago

As AI Increases Demands on Memory, Storage Steps Up

Surging AI demands are driving the need for massive datasets and context windows that burst past the confines of system memory.  But rising needs aren’t met by simply adding more storage capacity. What’s needed is useful, grounded insights from AI factories and efficient, secure storage…

engineering
Databricks Blog

Databricks Blog

12h ago

Databricks joins the Open Secure AI Alliance to advance AI safety and security

Databricks is a sponsor at Black Hat USA 2026 this week. Find us at Booths #5106...

aidata platformspark
Nvidia

Nvidia

13h ago

AI Leaders Propose SAFE Guidelines for Cybersecurity Transparency

Members of the Open Secure AI Alliance — now more than 120 organizations strong — are developing new guidelines to strengthen agentic AI cybersecurity as the annual Black Hat conference begins in Las Vegas today.  The Linux Foundation today shared a Request for Comments on Shared AI Findings…

engineering
Cloudflare Blog

Cloudflare Blog

13h ago

The Agent Development Lifecycle has arrived on Cloudflare

Agents can write code faster than teams can review, deploy, and maintain it. Today we’re introducing the Agent Development Lifecycle and the Cloudflare primitives that underpin it

networkingsecurityperformance
Cloudflare Blog

Cloudflare Blog

13h ago

Announcing Cloudflare Wallets: the programmable wallet for the agentic Internet

Cloudflare Wallets will provide AI agents with native payments and verifiable identity on the web. Using the x402 protocol, agents can autonomously purchase APIs and content within clear safety guardrails.

networkingsecurityperformance
Cloudflare Blog

Cloudflare Blog

13h ago

Run CI/CD for millions of repos — on your platform, on Cloudflare

Learn how to build customizable, sandboxed CI/CD pipelines natively on Cloudflare using Workflows, Artifacts, and the CI SDK. We walk through replacing complex YAML configurations with TypeScript workflow steps and self-healing AI agents.

networkingsecurityperformance
Cloudflare Blog

Cloudflare Blog

13h ago

How Cloudflare enforces engineering standards using AI

We created the Cloudflare Codex, a governed body of engineering standards that AI agents consume across the development lifecycle. By pairing structured RFCs with agentic reviews, teams automatically enforce consistency across code, specs, and incident reports.

networkingsecurityperformance
Cloudflare Blog

Cloudflare Blog

13h ago

Introducing: Cloudflare Agents

Cloudflare Agents brings all of your deployed agent sessions into a single experience, surfacing key information and insights into how your agents perform at scale.

networkingsecurityperformance
Cloudflare Blog

Cloudflare Blog

13h ago

Your agent can now debug Workers with local tracing

wrangler dev now produces structured traces for every local request. Your coding agent can hit a single API to pinpoint exactly what failed and why — no deployment required.

networkingsecurityperformance
Cloudflare Blog

Cloudflare Blog

13h ago

How we built a software factory to drive Astro’s GitHub issue count to zero

By replacing manual issue verification with isolated AI subagents running in GitHub Actions, the Astro maintainers reduced open issue count by 85%. This post explores the architecture behind automated bug reproduction, patch verification, and preview releases.

networkingsecurityperformance
Cloudflare Workers Blog

Cloudflare Workers Blog

13h ago

The Agent Development Lifecycle has arrived on Cloudflare

Agents can write code faster than teams can review, deploy, and maintain it. Today we’re introducing the Agent Development Lifecycle and the Cloudflare primitives that underpin it

serverlessedge computingjavascript
Cloudflare Workers Blog

Cloudflare Workers Blog

13h ago

Your agent can now debug Workers with local tracing

wrangler dev now produces structured traces for every local request. Your coding agent can hit a single API to pinpoint exactly what failed and why — no deployment required.

serverlessedge computingjavascript
Cloudflare Workers Blog

Cloudflare Workers Blog

13h ago

How we built a software factory to drive Astro’s GitHub issue count to zero

By replacing manual issue verification with isolated AI subagents running in GitHub Actions, the Astro maintainers reduced open issue count by 85%. This post explores the architecture behind automated bug reproduction, patch verification, and preview releases.

serverlessedge computingjavascript
Freek Van der Herten

Freek Van der Herten

13h ago

Prevent cognitive debt by manually retyping LLM-generated code

engineering
Laravel

Laravel

13h ago

Laravel Head: Manage Meta Tags, Open Graph, and JSON-LD

Announced in Taylor Otwell's Laracon US 2026 keynote, Laravel Head is a first-party package that manages your document head with a fluent API covering titles, Open Graph, robots directives, JSON-LD schemas, and performance hints across Blade, Livewire, and Inertia. The post Laravel Head: Manage…

engineering
Martin Fowler

Martin Fowler

14h ago

Fragments: August 4

There’s been a fair bit of publicity of the Open AI “rogue agent” that hacked into Hugging Face. This prompted Anthropic to check what their models were up to and, to my complete lack of surprise, discovered three incidents where models had gained unauthorized access to data in other organizations.…

architecturepatternsrefactoring
Hostinger

Hostinger

17h ago

Parlons French: Opening doors to French learners around the world

While searching online for a trumpet teacher for her son, Estelle Materne kept running into the same problem: every platform expected payment before she knew if the teacher was th… The post Parlons French: Opening doors to French learners around the world appeared first on Hostinger Blog.

engineering
Mike Fogus

Mike Fogus

17h ago

Born Against, or why hobby programming communities are aggressively against LLM usage

Whereby I discuss why we're seeing an increasingly aggressive rejection of LLMS by niche hobby communities...

engineering
Kotlin

Kotlin

17h ago

Kodee’s Kotlin Roundup: Birthday Wishes, Shipaton 2026, and the New Kotlin AI Benchmark

Hi everyone! July gave me plenty to celebrate: Kotlin turned 15, got its first public benchmark for AI coding agents, became available in BlueJ, and shipped its 2.4.10 release. Developers can also demonstrate their skills at RevenueCat Shipaton 2026 by building a Kotlin Multiplatform app and…

engineering
Stack Overflow Blog

Stack Overflow Blog

18h ago

Your MVP doesn’t need a Kubernetes cluster​​​​‌‍​‍​‍‌‍‌​‍‌‍‍‌‌‍‌‌‍‍‌‌‍‍​‍​‍​‍‍​‍​‍‌​‌‍​‌‌‍‍‌‍‍‌‌‌​‌‍‌​‍‍‌‍‍‌‌‍​‍​‍​‍​​‍​‍‌‍‍​‌​‍‌‍‌‌‌‍‌‍​‍​‍​‍‍​‍​‍‌‍‍​‌‌​‌‌​‌​​‌​​‍‍​‍​‍‌‍​‌‍‌‌​​‍‍‌​‌‌​‌‍​‌‌‍​‌‍‍‌‍‌‌‍‌‍‌‌‌​‍‌‍‌‍‌‍​‌‍‌‌​‍‍‌‍​‌‍​‍‌‍‍‌‌‍‍‌‌​‌‍‌‌‌‍‍‌‌​​‍‌‍‌‌‌‍‌​‌‍‍‌‌‌​​‍‌‍‌‌‍‌‍‌​‌‍‌‌​‌‌​​‌​‍‌‍‌‌‌​‌‍‌‌‌‍‍‌‌​‌‍​‌‌‌​‌‍‍‌‌‍‌‍‍​‍‌‍‍‌‌‍‌​​‌​‍​​​‌‌‍‌‌​​‌‍​​‌‌‌‍‌‌​​​‍‌​​‌​​‌‌‍​‍​‌‌​‍‌​‌​‌‍​‌​​‍​​​​‍‌​‍​​‌‌‌‍‌‍​‌‌​‍‌‌‍‌​​‍‌‌‍‌‍​​​‍​​​‍‌‍​‍​​‍​‍‌‌‍​​​‌‌‍​‍​‍‌‌​‌‍‌‌​​‌‍‌‌​‌‌‍​‍‌‍​‌‍‌‍‌‌‌​​‌‍‌​‌‌​​‍‌​​‌‍​‌‌‌​‌‍‍​​‌‌‌​‌‍‍‌‌‌​‌‍​‌‍‌‌​‌‍​‍‌‍​‌‌​‌‍‌‌‌‌‌‌‌​‍‌‍​​‌‌‍‍​‌‌​‌‌​‌​​‌​​‍‌‌​​‌​​‌​‍‌‌​​‍‌​‌‍​‍‌‌​​‍‌​‌‍‌‍​‌‍‌‌​​‍‍‌​‌‌​‌‍​‌‌‍​‌‍‍‌‍‌‌‍‌‍‌‌‌​‍‌‍‌‍‌‍​‌‍‌‌​‍‍‌‍​‌‍​‍‌‍‌‍‍‌‌‍‌​​‌​‍​​​‌‌‍‌‌​​‌‍​​‌‌‌‍‌‌​​​‍‌​​‌​​‌‌‍​‍​‌‌​‍‌​‌​‌‍​‌​​‍​​​​‍‌​‍​​‌‌‌‍‌‍​‌‌​‍‌‌‍‌​​‍‌‌‍‌‍​​​‍​​​‍‌‍​‍​​‍​‍‌‌‍​​​‌‌‍​‍​‍‌‍‌‌​‌‍‌‌​​‌‍‌‌​‌‌‍​‍‌‍​‌‍‌‍‌‌‌​​‌‍‌​‌‌​​‍‌‍‌​​‌‍​‌‌‌​‌‍‍​​‌‌‌​‌‍‍‌‌‌​‌‍​‌‍‌‌​‍‌‍‌​​‌‍‌‌‌​‍‌​‌​​‌‍‌‌‌‍​‌‌​‌‍‍‌‌‌‍‌‍‌‌​‌‌​​‌‌‌‌‍​‍‌‍​‌‍‍‌‌​‌‍‍​‌‍‌‌‌‍‌​​‍​‍‌‌

Ryan welcomes Anurag Goel, CEO and co-founder of Render, to discuss why most startups shouldn’t start by managing their Kubernetes and cloud infrastructure. ​​​​‌‍​‍​‍‌‍‌​‍‌‍‍‌‌‍‌‌‍‍‌‌‍‍​‍​‍​‍‍​‍​‍‌​‌‍​‌‌‍‍‌‍‍‌‌‌​‌‍‌​‍‍‌‍‍‌‌‍​‍​‍​‍​​‍​‍‌‍‍​‌​‍‌‍‌‌‌‍‌‍​‍​‍​‍‍​‍​‍‌‍‍​‌‌​‌‌​‌​​‌…

developer toolscommunityplatform
OCTO Technology

OCTO Technology

19h ago

Organiser une équipe de développement à l’ère de l’IA - Part II.1

'impact de l'IA agentique sur la création de valeur dans le développement logiciel. Celle-ci se déplace progressivement de la production de code vers la compréhension du métier, la qualité du contexte et la prise de décision.

engineering
Nordic APIs

Nordic APIs

19h ago

API Marketplaces and the Invisible Economy: Trade Routes of the AI Era

APIs are like the backstage crew of the digital economy. They’re not front and center, but they’re essential for putting on a show. Yet, from a business perspective, APIs have traditionally been regarded as a form of “operational plumbing,” with many enterprises treating them as technical…

engineering
Eli Bendersky

Eli Bendersky

23h ago

Relative velocity and closing speed

In Physics simulations or game engines it’s sometimes useful to determine the speed with which two objects are approaching each other. This post will discuss the concept of closing speed, which is the normal component of the relative velocity of two objects. Relative velocity and its components…

engineering
PostgreSQL Blog

PostgreSQL Blog

1d ago

Christophe Pettus: All Your GUCs in a Row: idle_replication_slot_timeout

Replication slots promise to keep WAL forever—until PostgreSQL 18's new `idle_replication_slot_timeout` puts an expiration date on abandoned ones before they…

databasessqlopen source
Discord Engineering

Discord Engineering

1d ago

Squircles, Styles, and Spacing: How Your Feedback is Helping Improve Mobile

We're working to more closely match your mobile and desktop experiences, including changes to server icons and the chat bar. (Did we mention Ash, the OG dark theme, is back?)

backendinfrastructurereal time
Elastic Blog

Elastic Blog

1d ago

Azure Private Link for Elastic Cloud Serverless is now generally available

Azure Private Link for Elastic Cloud Serverless is generally available. Your traffic stays inside Azure's private backbone — no public internet exposure required.

searchobservabilitysecurity
Elastic Blog

Elastic Blog

1d ago

AI consolidation: Why platforms will win and portfolios will break

Our partners are proof that getting this architecture right drives real success. By building on Elastic’s unified platform rather than a fragmented portfolio, they bypass the friction of integrating disparate tools.

searchobservabilitysecurity
Elastic Blog

Elastic Blog

1d ago

Elastic 9.5: Columnar, VectorDB index mode & auto-calibration, and AI-driven alert triage

Today, we are pleased to announce the GA of Elastic 9.5 as the latest version of the Elasticsearch Platform. This release includes a range of new features, including Columnar Mode, VectorDB index mode, and Agent Builder enhancements. Learn more.

searchobservabilitysecurity
Evil Martians

Evil Martians

1d ago

+14% activated users for AppSignal: designing a new homepage in code

Authors: Gleb Stroganov, Product Designer, Varya Nekhina, Account Manager, and Travis Turner, Tech Editor Topics: Case Study, Design, Developer Products, Design for devtools, Product development, Developer marketing, Agentic development We designed and shipped a fresh AppSignal homepage in code,…

engineering
MapTiler

MapTiler

1d ago

New High-Resolution Satellite and Aerial Imagery: USA (Florida), Luxembourg, Prague, and Slovenia

Integrate crisp raster map tiles and ultra-sharp imagery layers into your web and mobile applications. Stream global basemaps with fast WMTS and XYZ API access.

engineering
Red Hat Blog

Red Hat Blog

1d ago

Beyond the hype: What financial leaders need to know about enterprise AI

Artificial intelligence has moved past the initial honeymoon phase of flashy chatbots and viral demos. In the financial services sector, AI is now a core catalyst for revenue growth, operational efficiency, and risk mitigation.According to McKinsey’s estimates highlighted in Red Hat’s executive…

open sourcelinuxcloud native
Red Hat Blog

Red Hat Blog

1d ago

What's new in Red Hat OpenShift confidential computing and sandboxing

Red Hat is announcing Red Hat OpenShift sandboxed containers 1.13 and Red Hat build of Trustee 1.2, alongside the debut of Red Hat build of Agent Sandbox, now available as a Technology Preview.This release advances confidential computing on 2 fronts: First, confidential AI on bare metal reaches…

open sourcelinuxcloud native
Red Hat Blog

Red Hat Blog

1d ago

The Oracle estate you can control

Your Oracle estate is running on 3 “clocks" you don’t control: The hypervisor renewal arrived with a higher cost nobody budgeted for. The database support window has a date on it. And somewhere above you, someone has committed the company to AI that must rely on the critical data that lives in…

open sourcelinuxcloud native
Red Hat Blog

Red Hat Blog

1d ago

Introducing asago: Open source AI safety and governance orchestration

Today, Red Hat announced asago, a collaborative, open source AI safety project in partnership with Alquimia AI, Brave Software, EvalEval coalition, IBM Research, Interdisciplinary Transformation University Austria, Microsoft, MIT Lincoln Laboratory, North Carolina State University, NVIDIA, and The…

open sourcelinuxcloud native
Rust Blog

Rust Blog

1d ago

Enabling the next iteration of the borrow checker on nightly

TL;DR We are enabling the next iteration of the borrow checker (coined Polonius Alpha) on nightly in preparation for stabilization in the next few months. Whaaaaaat? Yes! You heard it right! The next iteration of the Rust borrow checker is coming! Rust's first borrow checker ("AST borrowck") was…

systems programmingcompilerperformance
.NET

.NET

1d ago

Strengthening NuGet Supply Chain Security: Reducing API Key Lifetime

NuGet API key durations will be reduced to 30 days starting August 17th. This change will significantly strengthen the integrity of the NuGet supply chain. The post Strengthening NuGet Supply Chain Security: Reducing API Key Lifetime appeared first on .NET Blog.

engineering
Gusto

Gusto

1d ago

Eval-Driven Design Systems (Part 2)

engineering
Ray Wenderlich

Ray Wenderlich

1d ago

Kodebits Day 69: Spread Copy Independence [FREE]

engineering
PostgreSQL Blog

PostgreSQL Blog

1d ago

Umair Shahid: PostgreSQL Lockup vs Stale Connection: How to Tell Them Apart

“The database is locked up.” We heard some version of that sentence more than once this past week, from the same team, about what looked like the same problem. It was not the same problem. Once, Postgres had genuinely stopped responding. Every other time, Postgres was fine, and a connection sitting…

databasessqlopen source
Freek Van der Herten

Freek Van der Herten

1d ago

We Became Editors-in-Chief, and Nobody Trained Us

engineering
Databricks Blog

Databricks Blog

1d ago

The New Monday Morning Report: How Generative AI can deliver the insights your executives need.

A VP of Sales at a major CPG has three decks open before her first coffee. One from...

aidata platformspark
Laravel

Laravel

1d ago

PhpStorm 2026.2 Released

JetBrains has released PhpStorm 2026.2 with a new Laravel tool window, a FileReference attribute for PHP, PHP 8.5 pipe operator support, and an agent skills manager. The post PhpStorm 2026.2 Released appeared first on Laravel News. Join the Laravel Newsletter to get Laravel articles like this…

engineering
Y Combinator

YC Companies

Discover the latest Y Combinator startups — their mission, team, industry, and more.

Product Hunt

Latest Products

The freshest product launches from Product Hunt, ranked by upvotes.