Tech News
All News AI & ML Architecture DevOps Open Source Programming Team Management Testing & QA Web

Open Source

⚑ Report a Problem

Latest Open Source news from Tech News

All topics agents ai api architecture automation aws beginners career claude database devchallenge devops javascript learning linux llm machinelearning mcp opensource performance productivity programming python react security showdev softwareengineering tutorial typescript webdev
All EN RU
EN

I Built a Redis Clone from Scratch in Node.js — RESP, Persistence, Replication, Pub/Sub and Transactions

Most of us use Redis like this: SET name Alice GET name It feels simple. You send a command. Redis stores something. You get the value back. But I wan…

redisbackenddistributedsystemsnode
Dev.to Jun 17, 2026, 08:40 UTC
EN

BrowserAct Hands-On: Real Browser Automation from the CLI

A few days ago, I received an email from the BrowserAct team after they came across one of my articles. They introduced BrowserAct as a browser automa…

aiautomationtoolingproductivity
Dev.to Jun 17, 2026, 08:37 UTC
EN

Weights, Roots and Coweights of a Lie group

Suppose you have a Lie group. The generators of this group, along with their commutation relations, form a Lie algebra. The maximal commuting subset o…

mathphysics
Dev.to Jun 17, 2026, 08:24 UTC
EN

Zero-JS Wasn't Enough: Edge Caching SSR HTML on Cloudflare Workers

The previous article ended with a confession: same build, two PageSpeed runs two hours apart, desktop Performance 99 and then 90. I blamed first-scree…

astrocloudflarecacheperformance
Dev.to Jun 17, 2026, 08:18 UTC
EN

Building an AI Clothes Changer: provider abstraction, async jobs, and a credit system that won't lose money

I recently launched Dressora , an AI clothes changer that swaps outfits onto a single photo for virtual try-on. The product side is fun, but the parts…

aiarchitecturesaasshowdev
Dev.to Jun 17, 2026, 08:16 UTC
EN

Devlog: Performance Optimization Lessons from ADHD App Beta Testing

TL;DR: The biggest performance and reliability work was not a fancy animation pass. It was fixing the task recommendation pipeline: removing non-trans…

reactnativeperformanceadhddevlog
Dev.to Jun 17, 2026, 08:16 UTC
EN

Why would two agents that have never met trade? The incentive layer the rails keep skipping

PayPal made it safe to pay strangers online. The interesting part was never the payment — it was that two people who had never met could transact with…

mcpaicryptocurrencyblockchain
Dev.to Jun 17, 2026, 08:11 UTC
EN

Designing SAP Integrations for Hospitals in Venezuela: What Actually Makes Sense

In most hospital IT conversations in Venezuela, SAP shows up as a kind of magic word: “ If we put SAP in, inventory, billing, purchases and HR will fi…

healthcareprogrammingsoftwareengineeringvenezuela
Dev.to Jun 17, 2026, 08:08 UTC
EN

Pre-launch AI simulations are becoming the new model safety check

The next serious upgrade in AI safety may not look like a bigger warning label. It may look like a rehearsal. OpenAI published new work this week on p…

aiproductivitywebdevtutorial
Dev.to Jun 17, 2026, 08:04 UTC
EN

From Idea to App Store Screenshots Without a Designer

You built the app. It works. Then you open App Store Connect and it asks for screenshots, and you realize the thing standing between you and "submit" …

asoappstoremobiledesign
Dev.to Jun 17, 2026, 08:03 UTC
EN

Part 8: Persistence and State - EF Core, Migrations, and Reliability

In the last part, we looked at how expressions make your workflows dynamic. Today, we are discussing the backbone of any production-ready system: Pers…

dotnetarchitecturecsharpdatabase
Dev.to Jun 17, 2026, 08:01 UTC
EN

PostgreSQL vs MySQL for API Automation Workflows

What You'll Need n8n Cloud or self-hosted n8n instance Hetzner VPS or Contabo VPS for self-hosted database deployment DigitalOcean as an alternative h…

tutorialdevopsdatabaseapiintegration
Dev.to Jun 17, 2026, 08:00 UTC
EN

GitHub Copilot Desktop App Targets Parallel Agentic Workflows

GitHub has introduced the GitHub Copilot app, a desktop control centre for agent-native development that aims to keep engineers in charge while AI age…

AgentscopilotgithubDevelopmentAI, ML & Data EngineeringDevOpsnews
InfoQ Jun 17, 2026, 08:00 UTC
EN

The Pentester’s Guide to Finding CBC Bit Flipping Vulnerabilities

If you spend enough time poking at web applications, you’ll eventually run into a target that handles session management poorly. You’ll intercept a re…

bugbountywebtestingcryptographywebsecurity
Dev.to Jun 17, 2026, 07:36 UTC
EN

I open-sourced every Binance and OKX 2026 fee tier as JSON (+ a calculator)

If you've ever written a backtest or a fee-aware order router for Binance or OKX, you've hit this wall: the exchanges publish their fee schedules as H…

pythonopensourcecryptoapi
Dev.to Jun 17, 2026, 07:36 UTC
EN

Weekly roundup: Password strength, self-serve BAA, and AI updates

This week on the Appwrite blog, we shipped new Auth controls, made BAA acceptance self-serve for Pro organizations, covered Anthropic’s latest Claude …

ainewsprivacysecurity
Dev.to Jun 17, 2026, 07:35 UTC
EN

rdev-go-api-template: Production-ready Go API Scaffolder & CLI Generator

rdev-go-api-template 🚀 The Concept A unified Go development utility that functions simultaneously as a production-ready architectural blueprint and an…

goapiopensourceprogramming
Dev.to Jun 17, 2026, 07:34 UTC
EN

Kinesis Data Firehose Is Not a Silver Bullet: How Undocumented Partition Key Limits Broke Our Real-Time Analytics Pipeline

Our real-time data pipeline was failing due to mysterious throughput limits. The culprit? A little-known Kinesis Data Firehose limitation that has not…

kinesisawslambdanode
Dev.to Jun 17, 2026, 07:33 UTC
EN

You Already Know What Your First AI Rule Should Be. You Just Have Not Written It Down Yet.

Every developer who works with AI regularly has a list of corrections they make. Not a written list. A mental one. The things they fix after every ses…

reactaiwebdevproductivity
Dev.to Jun 17, 2026, 07:33 UTC
EN

How to write a project brief that actually helps you hire a Next.js developer

Writing a good brief before you hire a Next.js developer is the single thing that separates projects that land on time from ones that drift for months…

hiringnextjsagencyprojectbrief
Dev.to Jun 17, 2026, 07:25 UTC
EN

Winograd convolutions cost us 2 mAP and we didn't notice for a month

TL;DR: We turned on Winograd convolution to shave latency off a pedestrian detector running on a Cortex-A53, got a clean 18% speedup, and silently los…

computervisionpytorchmachinelearningmlops
Dev.to Jun 17, 2026, 07:22 UTC
EN

Building a static repository for print-perfect PDFs

Most print-ready websites are slow, bloated, and covered in ads. I wanted to build a clean directory for paper templates that loads instantly and prin…

webdevcssshowdevperformance
Dev.to Jun 17, 2026, 07:20 UTC
EN

Why I stopped using cloud-based JSON and XML formatters (And what I built instead)

As developers, we constantly copy-paste data into online formatters, decoders, and tools. But have you ever stopped to think where that data goes? If …

webdevprogrammingproductivitytools
Dev.to Jun 17, 2026, 07:18 UTC
EN

The Biggest Challenges Software Developers Are Facing in 2026

Software development is evolving faster than ever, but developers are facing several new challenges: 🔹 Keeping Up with AI Tools AI coding assistants i…

aiwebdevprogrammingproductivity
Dev.to Jun 17, 2026, 07:16 UTC
EN

I Stopped Paying Google and Built My Own Cloud

How I replaced Google Photos, Google Drive, and Google Home with a self-hosted Raspberry Pi 5 setup - and what the full technical stack looks like. Th…

selfhostedhomelabraspberrypigoogle
Dev.to Jun 17, 2026, 06:43 UTC
EN

Ollama Structured Outputs in Practice — Getting Type-Safe JSON from Local LLMs with Pydantic

json.loads(response) fails at a certain point. You told the model "return JSON only," but it added a ```json markdown code fence around everything. A …

aillmpythontutorial
Dev.to Jun 17, 2026, 06:38 UTC
EN

Intelligence Brief: The Disinformation Machine

The Disinformation Supply Chain: How Coordinated Influence Campaigns Are Built Before They Go Viral Article from Digital HUMINT Series, For better und…

aicybersecuritybehavioreurope
Dev.to Jun 17, 2026, 06:33 UTC
EN

Overcoming Architectural Dogma: Why Infrastructure is a Business Stage Decision

One of the most persistent traps in modern software development is the tendency to turn architectural styles into absolute dogmas. We see it constantl…

aiwebdevprogrammingproductivity
Dev.to Jun 17, 2026, 06:33 UTC
EN

Startup Security Guide & LLM CISO

An open-source security guide, compliance checklist, and LLM-based virtual CISO persona for startups -- with specialized coverage for foreign companie…

aisecuritycybersecuritykorea
Dev.to Jun 17, 2026, 06:27 UTC
EN

The Playwright Playbook — Part 3: Multi-User, Multi-Tab & Browser Context Testing

The Playwright Playbook — Part 3: Multi-User, Multi-Tab & Browser Context Testing "Most frameworks test one user at a time. Real apps don't work t…

playwrighttestingtypescriptautomation
Dev.to Jun 17, 2026, 06:27 UTC

© Tech News — Headline Aggregator

Sitemap Legal Notice Privacy Terms Copyright / Removal DSA Contact

Leaving the site

You are about to open an external website:

Continue →