Capfolder vs SumoShares
Two free, open-source Carta alternatives. SumoShares is a web app you deploy to Cloudflare. Capfolder is a desktop app: no setup, your cap table in a folder.
Written by the Capfolder team. Checked October 2026.
SumoShares
- FreeNo subscription, no price per stakeholder.
- Your filesYour cap table is a folder on your computer.
- No setupDownload, open, done.
Side by side
| Capfolder | SumoShares | |
|---|---|---|
| Price | Free | Free + hosting |
| Setup needed | None | 15 min in a terminal |
| Where your data lives | Your computer | Your Cloudflare |
| Works offline | Yes | No |
| Works outside the US | Yes | US only |
| SAFEs | Yes | No |
| Option grants and vesting | Yes | Yes |
| E-signatures | Yes | No |
| Documents | Yes, sorted for you | Upload only |
| 409A valuations | Not yet | Tracking only |
| Employee and investor logins | Not yet | Yes |
| Round modelling | Not yet | No |
Not thereBasicSolidBest in class
Sources: SumoShares README, sumoshares.com (the site says "about $5 a month"; the README says free on Cloudflare's free plan), Cloudflare pricing, SendFox pricing. Checked October 2026.
Which one fits you
Choose SumoShares if…
- Employees should log in and exercise online.
- You want 409A and deadline reminders by email.
- You have a developer to deploy and run it.
Choose Capfolder if…
- You want no setup and no server.
- You issue SAFEs and collect signatures.
- You want your old documents sorted for you.
Switching from SumoShares in 3 steps
Export
In SumoShares, Reports → download ocf.json and the CSVs.Import
In Capfolder, choose Import and pick the OCF file (or the CSVs).Drop your documents
Drop the folder in. Capfolder sorts it and lists what's missing.
An import that doesn't match? Tell us (describe the columns, don't attach your real file).
What's coming
Items marked in orange close a gap with SumoShares.
Spotted something wrong or out of date? Open an issue on GitHub and we'll fix it. SumoShares is a trademark of its owner; Capfolder isn't affiliated with it. Capfolder isn't legal advice.