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VS Code Marketplace vs Open-vsx

VS Code Marketplace and Open-vsx both land on Depends.

Open-vsx

open-vsx.org

Depends
Confidence: Medium

Use Open VSX if you run a non-Microsoft VS Code-compatible editor or want vendor-neutral extension publishing; it is free and Eclipse-backed.

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VS Code Marketplace versus Open-vsx
CompareVS Code MarketplaceOpen-vsx
VerdictDependsDepends
Best forDaily VS Code usersNon-Microsoft VS Code-compatible editors
Who it's not forVS Code fork users . Cursor et al. migrated to OpenVSXMicrosoft VS Code users happy with the official marketplace
PrivacyOfficial security page published; community sources report one critical extension supply-chain vulnerability.³Frequent attack target: malware campaigns, compromised publisher accounts, and several CVEs since 2025; hardening is in progress.10
Support qualityNo support evidence in sources reviewedNo support evidence in sources
Public sentimentNo substantive user reviews of the VS Code Marketplace itself appear in the sources; most cover unrelated marketplaces.²Users praise the open, vendor-neutral mission but worry about sustainability and malware slipping through review.15
Biggest gotchaSupply-chain risk: researchers reported a critical VSCode extension vulnerability³Malicious extensions repeatedly passed review . vet publishers and versions before installing⁹

Pick VS Code Marketplace when

  • Daily VS Code users
  • Developers wanting one-click extension installs
  • Teams standardizing on VS Code

When VS Code Marketplace is not a fit

  • VS Code fork users . Cursor et al. migrated to OpenVSX
  • Guess: security-strict teams needing vetted-only extensions
  • Buyers shopping for purchasable software . nothing to buy here
  • Guess: non-VS Code editor users (JetBrains, Emacs)

Pick Open-vsx when

  • Non-Microsoft VS Code-compatible editors
  • Extension publishers wanting vendor-neutral distribution
  • Enterprises needing a managed extension registry
  • Open-source toolchains avoiding Microsoft licensing

When Open-vsx is not a fit

  • Microsoft VS Code users happy with the official marketplace
  • Buyers expecting curated, malware-safe extensions out of the box
  • Teams needing an SLA on the free tier . that is what Managed Open VSX costs for
  • Non-technical buyers . this is developer infrastructure, not a business app

Sources

  1. Product security page . Visual Studio Marketplacemarketplace.visualstudio.com
    official
  2. Extension Marketplace Changes . Transition to OpenVSX (Cursor Forum)forum.cursor.com
    news
  3. One Extension to Own Them All: Critical VSCode Extension Vulnerability (r/cybersecurity)reddit.com
    security
  4. eclipse-openvsx/openvsx (GitHub)github.com
    official
  5. Open VSX Registryopen-vsx.org
    official
  6. Eclipse Open VSX Registry FAQeclipse.org
    official
  7. Managed Open VSX pricingmanaged.open-vsx.org
    official
  8. Open VSX Hits 300 Million Monthly Downloadsadtmag.com
    news
  9. 77 Open VSX extensions found harvesting developer infobleepingcomputer.com
    security
  10. GlassWorm Loader Hits Open VSXsocket.dev
    security
  11. CVE-2026-13323 Detailnvd.nist.gov
    security
  12. AWS to Help Fund Open VSX Registrydevops.com
    news
  13. Eclipse Foundation Launches Managed Open VSX Serviceadtmag.com
    news
  14. I switched from VS Code's marketplace to Open VSXxda-developers.com
    review
  15. Will Open VSX survive? (Reddit)reddit.com
    review