OpenCap Stack vs Pulley
The Open Source Alternative
Free tier vs $500–$2,000/yr. Open source vs proprietary. 29 MCP tools + AI-native vs no AI integration. $999 409A vs $1,500–$2,500.
Why founders switch from Pulley to OpenCap Stack
Free forever — no sales call required
Free foreverPulley has no free plan and requires a demo before you see pricing. OpenCap's permanent free tier covers up to 25 stakeholders — enough to run your early-stage company from day one without spending a dollar.
Open source — audit every line of code
MIT LicensedEvery line of OpenCap is public on GitHub under the MIT license. You can audit exactly how your equity data is stored and processed — something Pulley's closed-source platform can never offer. Self-host on your own infrastructure for maximum control.
AI-native with 29 MCP tools
29 MCP toolsOpenCap ships a full MCP server with 29 tools. Ask Claude 'What is our fully diluted share count?' or 'Show me all unvested grants expiring this quarter' — in plain English. Query and update your cap table from Claude, Cursor, or any MCP-compatible client. Pulley has no AI integration.
$999 409A — flat fee, 48-hour delivery
Save $500–$1,500OpenCap charges $999 flat for a 409A valuation and delivers in 48 hours. Pulley's 409A pricing varies by plan tier and can run $1,500–$2,500+. Same IRS-defensible quality backed by licensed accountant sign-off.
Pulley vs OpenCap Stack — full feature comparison
| Feature | OpenCap Stack | Pulley | |
|---|---|---|---|
| Pricing | |||
| Free tier | Yes | No | |
| Starting price | $0 / month | ~$500–$2,000 / yr | |
| 409A valuation | $999 flat | ~$1,500–$2,500 | |
| Platform | |||
| Open source | Yes | No | |
| Self-hostable | Yes | No | |
| OCTA v2.0 data standard | Yes | Partial | |
| AI & Developer | |||
| AI-native architecture | Yes | No | |
| MCP integration | Yes | No | |
| REST API access | Yes | Partial | |
| Features | |||
| Cap table management | Yes | Yes | |
| Vesting schedules | Yes | Yes | |
| SAFE note tracking | Yes | Yes | |
| Dilution modeling | Yes | Yes | |
| Data room | Yes | Yes | |
| Founder SPV | Yes | No | |
| Board management | Yes | Yes | |
| Employee equity portal | Yes | Yes | |
| Custom reports | Yes | Partial | |
Pulley vs OpenCap Stack — common questions
Is OpenCap Stack a good Pulley alternative?
Yes. OpenCap Stack covers all of Pulley's core cap table features plus adds AI-native MCP integration with 29 tools, a full REST API on all plans, and a permanent free tier. Pulley starts at $500–$2,000/yr with no free tier and no AI integration.
How much does Pulley cost?
Pulley pricing starts at approximately $500–$2,000/yr depending on company stage and feature requirements. OpenCap Stack has a permanent free tier for up to 25 stakeholders, with paid plans starting at $25/mo ($300/yr).
Does Pulley have an open source version?
No. Pulley is fully proprietary SaaS. OpenCap Stack is MIT licensed and fully open source — you can audit the code, self-host on your own infrastructure, and export OCTA v2.0-compliant data at any time.
What makes OpenCap Stack different from Pulley?
OpenCap Stack is open source (MIT licensed), has a permanent free tier, includes AI-native MCP integration with 29 tools, provides a full REST API on all plans, includes Founder SPV management that Pulley lacks, and uses the OCTA v2.0 open data standard so your data is never locked in.
Ready to switch from Pulley?
Start free in minutes — 25 stakeholders, full API access, no credit card required.