Creators

Filip Duszczak

CEO, Founder of Instream Group. Sales Advisor, Business Mentor, http://Growthlab.pl http://Leadvikings.com http://Instream.io

@filip_duszczak 916 X followersleadvikings.com First product launched 10y ago

Total monthly visits
<5K
Oct 2026 · Below 5K floor
Public revenue
Undisclosed
No public revenue across products
Products
1
Since Aug 2016
Latest launch
10y ago
InStream<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
InStreamBest FREE online CRM. From Sales People with love!<5K

Timeline

Launches, marketing, revenue milestones, and pricing/plan/positioning changes across products
  1. Nov 1 · 15d ago

    • InStream Adopted technology: Cloudflare Browser InsightsFeatures

      —→Cloudflare Browser Insights

    • InStream Adopted technology: LodashFeatures

      —→Lodash

  2. Aug 8, 2016 · 10y ago

Questions & evidence

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

Related indie founder research guides

Evaluate your own SaaS idea →