Live this week · ADE 21 to 25 OctADE 2026 by night: every venue, lit up.
A 3D night map of Amsterdam with all 1,515 Amsterdam Dance Event shows and the 228 free ones glowing. Search artists, save your plan, export it as one A4 page.
RadTech: from idea to shipped. We design, build and launch apps, web products and AI tools.
RadTech · small studio · Netherlands
Got an idea stuck in your notes app?
We'll help you build
an app.
appswebsitesAI helpersAI agentsautomationsintegrationsdashboardsdeveloper tools
You bring the idea. We bring the light.
From idea to shipped.
We design, build and launch apps, web products and AI tools. Based in the Netherlands, working across Europe.
Selected work
Our own products and the small tools we build in the open. Click any of them for the full story.
Live this week · ADE 21 to 25 Oct
Pourtrait: every great cup has a name.
A coffee discovery app that credits the barista who made your cup, not just the café.
modwall: a firewall for mods.
Shows what each mod can reach as it loads, and audits, holds or refuses it by your own policy.
/plugin install modwall@modwallmodwall on GitHub agent-pager: your agent, on your phone.
A ping on Telegram or ntfy when a long task finishes or your agent needs a decision. Reply from wherever you are.
/plugin install agent-pager@agent-pageragent-pager on GitHub 
THC Units: cannabis, counted like standard drinks.
Turns flower, edibles and oils into standard THC units and keeps a private weekly log. Runs in the browser; nothing leaves the device.
Open THC UnitsKawa: routes made for riding.
An AI route planner for motorcyclists, built in house.
RadTech on GitHub
Our open-source tools, mods and experiments live at RadTech-Solutions.
What we do
We build what you decide, and help you decide what to build.
Apps
When: You need an app in the stores, not a prototype in a drawer.
React Native on Supabase, from first screen to App Store and Google Play.
Fixed fee per phaseWeb
When: Your site or portal has to be fast, and easy for your team to change.
Sites, portals and web apps your team can maintain.
Fixed fee, then hourlyApplied AI
When: You want AI that pays for itself, not a demo.
A business case, a pilot with success criteria, then production.
Fixed fee per stageFounder advisory
When: The hard calls are yours alone, and you want a sparring partner.
One-to-one sessions on product, fundraising, hiring and hard calls.
Monthly retainerWhy RadTech
Fifteen years in data-driven R&D, advising and consulting across billion-dollar industries such as renewable energy and blockchain. We ship our own products too, so our advice has met a release date.
- 15+years of data-driven R&D, advisory and consulting
- Top 5pharma, where we led multi-million-euro AI and data programs
- Series Araised by a leadership team we helped prepare
Bring us your idea.
Leave with a plan.
Fifteen minutes, free, no pitch. You get honest advice on your next step, whether or not we work together. If we are a fit, a fixed-scope proposal follows within 48 hours.
Book your free 15-minute callNetherlands · remote across Europe