this post was submitted on 26 Oct 2025
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Hi c/programming,

for quite some time I have been working on the open-source project PdfDing - a selfhosted PDF manager, viewer and editor offering a seamless user experience on multiple devices. You can find the repository here. As always I would be quite happy about a star and you trying out the application.

Last week PdfDing was selected to receive a grant from the NGI Zero Commons Fund. This fund is dedicated to helping deliver, mature and scale new internet commons across the whole technology spectrum and is amongst others funded by the European Commission. The exact sum of the grant still needs to be discussed, but obviously I am very stocked to have been selected and need to share it with the community.

PdfDing's features include:

  • Seamless browser based PDF viewing on multiple devices. Remembers current position - continue where you stopped reading
  • Stay on top of your PDF collection with multi-level tagging, starring and archiving functionalities
  • Edit PDFs by adding comments, highlighting and drawings
  • Manage and export PDF highlights and comments in dedicated sections
  • Clean, intuitive UI with dark mode, inverted color mode, custom theme colors and multiple layouts
  • SSO support via OIDC
  • Share PDFs with an external audience via a link or a QR Code with optional access control
  • Markdown Notes
  • Progress bars show the reading progress of each PDF at a quick glance
top 19 comments
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[–] ns1@feddit.uk 28 points 2 months ago (1 children)

Congrats! Nice that there is some fediverse software among the recipients too

[–] troed@fedia.io 4 points 2 months ago (1 children)

I don't think there's anything ActivityPub related here though? Still seems like some great software.

[–] sbeak@sopuli.xyz 7 points 2 months ago (1 children)

He means software receiving the funds, not the PDF manager…

[–] sbeak@sopuli.xyz 5 points 2 months ago

Hence “among the recipients”

[–] Feddinat0r@feddit.org 18 points 2 months ago (3 children)

Congrats and as a german i frequently say "ding"

So, nice name!

[–] NoPanko@feddit.uk 8 points 2 months ago (1 children)

I watch a german streamer a lot who says “dingsbooms” to mean “a thing i cant remember the name of right now”. It always makes me laugh

[–] drre@feddit.org 8 points 2 months ago

there is also "dingensbummens", a thingy, or whatchamacallit

[–] calliope@retrolemmy.com 4 points 2 months ago

There’s a self-hosted bookmark manager named linkding, and that’s how I found out “ding” means “thing” in German.

[–] mrmn2@lemmy.world 2 points 1 month ago

The naming and at the beginning the design as well were heavily inspired by the below mentioned linkding. The name is quite easy to remember and unique which is good for search results.

[–] A_norny_mousse@feddit.org 11 points 2 months ago* (last edited 2 months ago) (2 children)

a grant from the NGI Zero Commons Fund.

I looked at the projects they help out; it looks like they really want to find the things that will make the internet more - well, open and less dependent on $corpo, with no regard to flashiness or publicity.

I particularly remember the NLnet.nl foundation also gave a grant to Maemo Leste, a project to keep The Nokia N900's OS alive, fully opensource and mainstream the kernel. Not sure that was a single or continuing grant though. How about yours?

[–] why 2 points 1 month ago

They also gave Lemmy a grand as well

[–] mrmn2@lemmy.world 2 points 1 month ago

Yes, I was also surprised they selected PdfDing as I thought it would be a bit to niche. In PdfDing's case it's a single grant. There is a project plan and once a task is completed the corresponding payment can be requested.

[–] nha@lemmy.world 10 points 2 months ago
[–] nop@lemmy.world 4 points 2 months ago (2 children)

Any plans to bring form editing to PdfDing?

[–] acetanilide@lemmy.world 2 points 2 months ago

Same - I would love if there eventually was some form field recognition.

[–] mrmn2@lemmy.world 2 points 1 month ago

If mozilla's pdf.js is used for PdfDing's viewer. If this functionality would be added to the library then yes.

[–] qevlarr@lemmy.world 3 points 1 month ago (1 children)
[–] mrmn2@lemmy.world 6 points 1 month ago

For a couple of reasons: 1. It's how I want to use the app, 2. it's the easiest way to support all platforms, 3. I am most familiar with web apps.

[–] thistledown@rblind.com 2 points 1 month ago

I am thrilled to learn about this! I am an Accessible Document Specialist (ADS). Reliance on Adobe is frustrating. Current PDF viewing and editing applications do not support the PDF 2.0 specification or its companion PDF/UA-2 specification for accessibility. Support for MathML within PDF documents would be a game changer. Have you looked into MathML support?