Apps delivered as browser or IDE extensions, or as plugins, installed into a host runtime.
8 marketplaces in this directory match this tag.
PrestaShop SA
The official marketplace for the self-hosted open-source PrestaShop platform, selling PHP modules and themes that install directly into merchants' stores.
Odoo S.A.
Large module marketplace for the open-source Odoo ERP/CRM suite, publishing free and paid apps, themes, and connectors per Odoo version.
Formagrid, Inc. (Airtable)
React-based embedded extensions that add visualizations, tools, and integrations inside Airtable bases, published through a reviewed CLI submission.
Opera Norway AS
Opera's official catalog for Chromium-based WebExtensions, free to publish but subject to slow human moderation.
Raycast Technologies Ltd.
Open-source extension store for the Raycast launcher, published via GitHub PR review, free and MIT-licensed, with AI-agent tool support.
Apple Inc.
Safari's browser extensions, distributed only as App Store apps under Apple Developer Program terms and full App Review.
Microsoft Corporation
Microsoft's official marketplace for VS Code extensions, published via the vsce CLI with no built-in paid model.
JetBrains s.r.o.
JetBrains' official plugin marketplace for its IDE family, with built-in paid sales and a 15% commission as merchant of record.