Papermark – the open-source DocSend alternative with custom domains

In plain words

Papermark is an open-source document sharing platform designed for sending pitches, proposals, and other documents with real-time engagement analytics. Built as an alternative to DocSend, it offers custom domains, deep customization options, and integration capabilities. The platform is intended for founders, developers, and teams who need actionable insights into how recipients interact with their documents and want more control over their sharing infrastructure.

written from the facts on this page · September 2026

From the sources

metadata.description

The world's most ambitious dealmakers, founders and finance teams trust Papermark to host their data rooms and share confidential documents. Papermark is the secure data room built for modern dealmakers. Share confidential documents on a platform that gives you control, visibility, and trust. Papermark meets the highest industry standards for security, privacy and compliance. Every room ships with SSO, granular permissions, dynamic watermarking, NDA gating, audit logs, IP allow-listing, end-to-end encryption and full data lifecycle controls - with the option to self-host on your ownfrom papermark.io

In the maker’s words, at launch

Hi HN! We’re Marc and Iuliia from Papermark (https://papermark.io). We're building an open-source, modern document sharing platform with real-time engagement analytics and 100% customization. It all started as a tweet [1] and led to our launch on Product Hunt [2] last month. We crossed over 1000 stars and…

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  Papermark2023 · papermark.com · ▲794

  Papermark is a secure data room platform for dealmakers, founders, and finance teams. It lets you organize documents, set granular permissions, add NDA gating and watermarking, and track page-level analytics to see what drives decisions. Teams use it for M&A, fundraising, due

• 
  Papermark AI2023 · papermark.com · ▲432

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  I am building an open-source Confluence and Notion alternative2024 · github.com · ▲551

  Hello HN, I am building Docmost, an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion. I have been working on it for the past 12 months. This is the first public release (beta). The rich-text editor has support for real-time collaboration, LaTex, inline comments, tables, and callouts to name a few. Features - Collaborative real-time editor - Spaces (Teamspace) - User permissions - Groups - Comments - Page history - Nested pages - Search - File attachments You can find screenshots of the product on the website. Website:…

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  hey hn, i’m alana, founder of basecase and creator of docbase www.getdocbase.com docbase is an open-source alternative to docsend, which lets you securely share documents and track engagement in real-time. with docbase, you can upload any document, get a secure link (with or without a password or expiration date), and view who interacts with it and when. one main use case is for founders to send their memos/decks to potential investors. as a founder and investor myself, it’s a tool i use all the time to both send and receive pitch documents. the idea came from a tweet [0], which…

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