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Papermark is building a data room. SendDeck is built for the deal before it.

Papermark began as an open-source alternative to DocSend, and it is a good one. Its homepage now calls it secure data rooms for modern dealmakers, and most of its plans are data-room tiers. SendDeck is for the earlier, more frequent moment: the proposal, catalogue or deck you send to win the work.

A team of 10, for a year

SendDeck Pro £790 Up to 10 people, AI summaries, visitor location and SMS alerts included
Papermark $2,760 Business, 3 seats plus 7 extra at $23 each per month

Billed yearly, each in its own currency. Papermark price from its pricing page, 4 October 2026.

Where SendDeck pulls ahead

Ten people for one price

Papermark Business includes 3 seats, then charges $23 a month for each extra person. SendDeck Pro includes 10 people for £790 a year.

Know the moment it is opened, wherever you are

Text alerts reach you when you are away from your desk. Papermark advertises email and Slack notifications but not SMS.

AI that reads the analytics for you

SendDeck summarises how a document is being read and what to say next. Papermark's advertised AI is redaction on its top data-room tier.

Galleries that look like galleries

Photographers, architects and property teams can send a proper lightbox gallery, not a slideshow of images, and see which photo got the most attention.

13:12

Tuesday 6 October

MessagesnowSendDeck: "Brook & Green proposal" was just opened (Leeds, GB). Link: Q3 proposal
Slack · #deals2mReturning visitor: Q3 proposal (London, GB). Last visit was 2 days ago.
Mail1hAutumn catalogue has been viewed for the first time (Frankfurt, DE · VPN)

SendDeck and Papermark, side by side.

Feature SendDeck Papermark
How you pay Per team, plus $23 per extra seat
Free plan Yes, 1 user
Time on every page or slide Yes
Where readers are From Business
AI summary of who read what Not advertised (AI redaction on Data Rooms Premium)
SMS alerts Not advertised
Slack alerts Yes
Photo galleries Not advertised
Large file handovers Zip and CAD files from Business
Your own domain From Business
Password-protected links Every plan
Data rooms Yes, dedicated Data Rooms plans
NDAs and e-signature NDAs from Data Rooms
Single sign-on Enterprise

Papermark details are from its own pricing page and homepage, checked on 4 October 2026. "Not advertised" means we could not find it there. Prices and plans change, so check before you buy. Spotted something out of date? Tell us and we will fix it.

When Papermark is the better choice

It is a capable product aimed at secure data rooms for dealmakers, with an open-source core. Pick it if:

  • You want to self-host an open-source tool on your own servers.
  • You need data rooms with NDAs, dynamic watermarks, Q&A or an audit log for a deal.
  • Readers must verify their email address before viewing, or you need screenshot protection.

When SendDeck is

You send proposals, catalogues, decks, galleries or files to win and keep customers. Pick SendDeck if:

  • You want to know the moment it is opened, by text, Slack or in the app.
  • You want a plain-English summary of who read what and what to say next.
  • The whole team needs access without the price climbing per person.
  • You send photos and large files as well as PDFs.

Switching takes one upload.

Every new workspace starts with a 14-day trial of Pro, then keeps a free-forever plan. No card needed. Your first tracked link takes about a minute.