Team Management

How I Built an Adversarial AI Council in React (and Why It Argues With You)

A local-first, single-file SPA where multiple agents debate your decision and hand you a verdict. The problem: every AI I asked just agreed with me I …

I Built a PDF Toolbox That Never Uploads Your Files — Here's How

Every "free online PDF tool" uploads your files to a server. I built one that doesn't — and here's the technical breakdown. The Privacy Problem Try th…

I built a document converter that never uploads your files

Every time you use an online PDF converter, your file travels to a server somewhere — processed by a company you don't know, stored temporarily on har…

Launched a free DSGVO compliance scanner — scanned 200+ sites, 73% had violations

Originally written for r/SideProject on Reddit — sharing here for the dev.to community. TL;DR: Built a free tool that scans websites for GDPR/DSGVO co…

I built 50+ developer tools that run entirely in your browser — here's why privacy matters and how I did it

Every week I open a new browser tab and search for something like "json formatter online" or "jwt decoder" or "regex tester". And every week I land on…

AI Independence: Why it Matters More Than You Think

AI Independence: Why it Matters More Than You Think Discover why moving toward local-first AI is about more than just privacy—it's about reclaiming yo…

Why Windows Still Can't Open HEIC Files in 2026 (And What Actually Works)

The scenario is familiar: someone takes a photo on an iPhone, sends it to you over email or WhatsApp. You try to open it on Windows — a warning appear…

PewDiePie built an open-source AI workspace, and the point is bigger than the hype

PewDiePie launching an open-source AI project sounds like one of those internet headlines you have to read twice. But it is real. Felix Kjellberg, bet…

Why I built OrganizeShots — a browser-based screenshot organizer

I had 500+ screenshots on my phone — OTPs, payments, WhatsApp chats — all mixed up. Finding anything was impossible. Existing apps required cloud uplo…

Part 8: Free Self-Hosted Mind Mapping for a Home Lab: Why I Put a Significant Part of MindMapVault on GitHub

When people say they build a privacy-first product, I ask one simple question: How much of the implementation story is publicly verifiable? For MindMa…

How I Protected My Inbox from Spam Bots While Building Landing Pages

As developers, indie hackers, and solo founders, we launch numerous static sites, minimal landing pages, and open-source project documentation blocks.…

Why I Built a Privacy-First Discord Alternative

I'm a solo founder building Ally — a communication platform that puts privacy first. The Problem Every major communication platform today follows the …

Why Your API Gateway Might Be Your Biggest Compliance Liability

Why Your API Gateway Might Be Your Biggest Compliance Liability Your microservices architecture handles thousands of customer verification requests pe…

CLOUD Act, GDPR и ваш DNS: что на самом деле может ваш провайдер

Сразу важное: я не юрист. Я инженер, который пилит свой DNS-резолвер по ночам, и читал законы не от хорошей жизни, а потому что это мой бизнес, и мне …

The Hardest Part of Building an Encrypted Journaling App Wasn’t Encryption

Lessons learned building client-side AES-256 encryption, secure sync, and emotionally safe UX in Flutter. Most apps treat privacy as a feature. We tre…

Embedding sing-box in an iOS messenger to bypass Russian DPI (no VPN)

Embedding sing-box in an iOS messenger to bypass Russian DPI (no VPN) Our HTTPS API was timing out and our WebSocket refused to upgrade for a growing …

Local AI Office Assistant That Never Sends Your Documents to the Cloud

I Built a Local AI Office Assistant That Never Sends Your Documents to the Cloud Most AI document tools today have one thing in common: Your files lea…

The Age of Accountable Agents: Building Trust in Your AI Automation

The Age of Accountable Agents: Building Trust in Your AI Automation\n\nThe air around AI feels different this "Long Hot A.I. Summer." Big tech is pour…

Go European — Discover European products and services

I built a protocol that prevents the "double-use of information" in negotiation

The problem no one names When you negotiate a deal — IP licensing, real estate, M&A — you have to share information to reach an agreement. Your fi…

How I Built a Privacy-First Facial Similarity Network using React & Firebase

Building a consumer AI app right now is wild. Building one that relies on biometric data? That adds a massive layer of complexity, especially when you…

Browser AI vs Cloud APIs for Image Processing

Most online image tools follow the same pattern: upload an image; wait for a server to process it; download the result. That model works well. Cloud A…

From Zero to 1,000 Users: Launching a Privacy Search Engine in Berlin

From Zero to 1,000 Users: Launching a Privacy Search Engine in Berlin Six months ago, I had an idea, a laptop, and a Hetzner VPS. Today, asearchz.onli…

I Tested Privacy-Aware Routing with 4 AI Agents: What Actually Stayed Local

Following up on my earlier Trooper experiments , I wanted to see if per-request privacy routing actually works in practice. The test: 4 agents running…

Wearables and the Rise of Everyday Bio-Surveillance

A few years ago, wearable technology felt empowered. You woke up, checked your sleep score, tracked your steps, monitored your heart rate and it felt …

Migrating Off Google Analytics: Umami vs Plausible vs Fathom

The wake-up call I didn't ask for Last week the TanStack folks reported what appears to be a compromise affecting some of their NPM packages (the deta…

Building a Minimalist, Ad-Free Inbox for Instant Privacy: Introducing MailFlux

Hello Dev Community! 👋 I wanted to share a side project I’ve been working on called MailFlux. As someone who spends a lot of time testing applications…

Why macOS Keeps Resetting Your Default Browser (and How to Fix It Forever)

If you're a Mac user who prefers Chrome, Firefox, Brave, Arc, or any browser other than Safari, you've probably experienced this frustrating moment: y…

I Built a Browser-Based PDF Converter to Stop Uploading Sensitive Files to Random Sites Tags: #showdev #webdev #javascript #privacy

After uploading what felt like the 100th sensitive contract to a "free" PDF site, I realized I had no idea where those files were going. So I built Bu…

[Tutorial] Getting NIGHT Tokens: Exchanges, Bridging & Wallet Funding on Mainnet

Have you been wondering how to get your first NIGHT token, which exchanges currently list NIGHT, or how to withdraw it to a Midnight-compatible wallet…