Creators

Klaas Joosten

CEO ZEEF

@klaasjoosten 477 X followersFirst product launched 12y ago

Total monthly visits
<5K
Oct 2026 · Below 5K floor
Public revenue
Undisclosed
No public revenue across products
Products
1
Since Jun 2014
Latest launch
12y ago
Zeef<5K visits/mo
100% full-depth creator dossier open: complete product portfolio, 12-month combined traffic & MRR curves, shipping cadence, and timeline events.

Traffic

Portfolio · Last 12 months
Monthly visits

Products

Products and research metrics
ProductVisits · OctActions
ZeefWho decides what you find?<5K

Timeline

Launches, marketing, revenue milestones, and pricing/plan/positioning changes across products

  1. Jun 5, 2014 · 12y ago

    • Zeef launchedNew product

Questions & evidence

What products has Klaas Joosten built?
Klaas Joosten tracks 1 standalone software products on EarlyLore (1 currently live), led by Zeef.
How much website traffic do Klaas Joosten's products get?
Across tracked standalone domains with web traffic estimates, Klaas Joosten's portfolio reaches <5K combined monthly visits in each site's latest observed month. Coverage excludes shared third-party hosts and store listings.

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