New check

Comparison

OpenCap Stack vs Pulley

OpenCap Stack lands on Depends, and Pulley lands on Skip.

OpenCap Stack

opencapstack.com

Depends

Confidence: Low

A reasonable free option for technical, pre-Series A founders who will self-host or accept an early-stage product.

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Pulley

Skip

Confidence: Medium

Do not buy: Pulley is shutting down on December 8, 2026, per its own security page.

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OpenCap Stack versus Pulley
Compare	OpenCap Stack	Pulley
Verdict	Depends	Skip
Best for	Pre-seed to Series A startups	Nobody buying new (service ends Dec 2026)
Who it's not for	Non-technical founders wanting hands-off hosted service	Anyone making a new purchase . company ceases operations Dec 8, 2026
Privacy	No known public vulnerabilities found in the sources reviewed.^⁷	No known public vulnerabilities found in the sources reviewed.¹³
Support quality	No user support evidence found	In-house expert cap table reviews, on-demand managed services
Public sentiment	No independent third-party reviews or verbatim user quotes were found in the sources reviewed.¹¹	A few third parties recommended Pulley for startup cap tables, but independent review data is thin and the company is now shutting down.¹⁶
Biggest gotcha	Hosted pricing not clearly published; free applies to self-hosting . verify before committing^⁹	Service ends 12/8/26; any prepaid annual fees are effectively lost.¹³

Pick OpenCap Stack when

Pre-seed to Series A startups
Cost-sensitive founders avoiding Carta fees
Technical teams comfortable self-hosting
Accountants doing 409A reviews

When OpenCap Stack is not a fit

Non-technical founders wanting hands-off hosted service
Late-stage companies needing audited vendor SLAs
Teams requiring phone support and compliance guarantees
Buyers who need a mature product with real user reviews

Pick Pulley when

Nobody buying new (service ends Dec 2026)
Historically: pre-IPO US startups
Founders modeling dilution before raises

When Pulley is not a fit

Anyone making a new purchase . company ceases operations Dec 8, 2026
Teams wanting a stable, long-term equity vendor
Buyers mid-switch from Carta or Ledgy
Late-stage companies needing ongoing equity administration

Sources

OpenCap Stack . Open Source Cap Table & Equity Managementopencapstack.com
official
Cap Table Management Software | Free, Open Sourceopencapstack.com
official
Earn as a 409A Reviewer . OpenCap Stack for Accountantsopencapstack.com
official
Open-Cap-Stack/opencap GitHub repositorygithub.com
official
Open Cap Stack GitHub organizationgithub.com
official
OpenCap Stack Overview . OCTA schema docsdocs.ainative.studio
official
OpenCap Stack security pageopencapstack.com
official
Carta vs Pulley vs OpenCap Stack comparison (vendor blog)opencapstack.com
review
Best Cap Table Software for Startups in 2026 (vendor blog)opencapstack.com
review
Ranveer Deshmukh . OpenCapStack MongoDB to ZeroDB migrationin.linkedin.com
news
Private Equity vs Venture Capital (third-party mention)ainative.ax
review
Pulley homepagepulley.com
official
Pulley security page (shutdown notice)pulley.com
security
Techmeme: Pulley will cease operations after December 8facebook.com
news
Yin Wu on Pulley pricing and switchinglinkedin.com
official
Tyler Richards on recommending Pulleylinkedin.com
review