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Behind-the-scenes notes from building an open-source, self-hosted e-commerce orchestration platform — the why, the architecture, and the trade-offs.
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August 19, 2026
Subiekt nexo, inFakt or KSeF direct — three routes to invoicing a multichannel seller
Orders arrive from a shop and two marketplaces. Where should the invoice actually be created? Three real routes to Polish e-invoicing, compared.
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August 12, 2026
How to start selling on ERLI, Poland’s second marketplace
What ERLI is, the 2025 numbers, real commission rates, ErliPRO vs Allegro Smart!, and how to run both Polish marketplaces from one stock pool.
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August 5, 2026
Black Friday 2026 prep for multichannel sellers: the real-time inventory sync checklist
BFCM 2026 dates, why multichannel sellers oversell at peak, and a 6/4/2/1-week checklist for real-time inventory sync across shop and marketplaces.
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July 29, 2026
Our first client deployment: a small agency shipped it without writing an adapter
A small agency put OpenLinker into production at a packaging manufacturer: Allegro, PrestaShop, inFakt and DPD, self-hosted, with no custom code.
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July 29, 2026
Dropshipping in 2026: the €3 duty changed the arithmetic, and multichannel is what still works
The EU's €3 flat duty ended China-warehouse dropshipping. What still works, the real margin after fees, and running three channels without three panels.
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July 20, 2026
Open source or just ‘source-available’? Check the license
Apache 2.0, MIT, GPL, or Elastic License? A plain-English guide to true open source vs. source-available — and why it matters for your stack.
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June 28, 2026
Why an agency should own the WooCommerce integration layer, not bolt on another plugin
WooCommerce is now live in OpenLinker — a self-hosted, open-source marketplace integration. Why agencies should own the layer, not bolt on a plugin.
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May 30, 2026
How to sync orders and inventory across your shop and marketplaces
A plain-English guide to syncing orders and inventory between your shop and the marketplaces you sell on: how it works, why it breaks, how to fix it.
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May 27, 2026
One system you own: the e-commerce orchestration platform we're building
The e-commerce orchestration platform we're building: one self-hosted, open-source system you own — every sales channel connected, no per-order fees.
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May 26, 2026
Benefits of an Ecommerce Order Management Platform
How an ecommerce order management platform centralizes orders, syncs inventory, and automates fulfillment — plus an open-source, self-hosted option.
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May 25, 2026
Open-source ecommerce order management system
A plain-English guide to the ecommerce order management system, the case for a self-hosted open-source OMS, and where OpenLinker honestly is today.
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May 24, 2026
Why we built OpenLinker: an open-source channel manager you own
Why we built an open-source, self-hosted e-commerce orchestration platform with no per-order pricing — and what it took to stop renting the foundation.
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