PDFun

What it does

PDFun is an open source project that provide various PDF related services.

• 
  open-pdf-sign2022 · openpdfsign.org · ▲105

  Open-source tool for digitally signing PDFs

• 
  PDFtip - Your all-in-one PDF toolkit2024 · pdftip.com · ▲12

  Free online pdf tools | convert, merge, split pdfs

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  PDF-XJan 2026 · play.google.com · ▲2

  All-in-one offline PDF tools for Android

• 
  PdfForAllJul 2026 · czmiei.github.io · ▲1

  Offline-first, versatile PDF editor with video, form & OCR

• 
  Easy PDF2024 · easy-pdf.online · ▲3

  PDF Made Easy, Tasks Done Quickly

• 
  印流PDflowJun 2026 · yinliupdflow.com · ▲2

  Local-First Document Productivity Platform

• 
  /dev/null▲483

  a social network for devs

  Dev tools · 3d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 23d ago · openbot.run

• 
  Talanoa▲345

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

• 
  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

• 
  Sider 5.0: Deep Research with Wisebase▲1,358

  Mimic Human Research & Save Findings in AI Knowledge Base

  AI · 2025 · sider.ai

• 
  MGX (Now Atoms)▲1,296

  Turn your ideas into products that sell

  AI · 2025 · atoms.dev

• 
  Aha▲1,152

  The world's first AI influencer marketing team

  AI · 2025 · ahacreator.com

• 
  Fluently▲976

  Start speaking English as well as your native language

  AI · 2025 · getfluently.app

• 
  TheySaid 2.0▲917

  Conversational AI surveys, interviews, user tests, polls

  AI · 2025 · theysaid.io

• 
  ツSupercut▲880

  Record your screen, share instantly, look like a PRO

  Growth · 2025 · supercut.ai