Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Draft.js▲166

   A framework for building rich text editors in React

   2016 · facebook.github.io · its alternatives →

2. 2PJ
   Pdf.js Express – PDF annotation, e-signatures, and form filling▲334

   Hi HN, Nick here. We're super excited to officially launch PDF.js Express [1]. PDF.js Express wraps a modern React UI around the PDF.js rendering engine to enable PDF annotation, form filling, and signing inside your web app. We've also made some improvements to PDF.js text search, and taken a different approach to how the viewer uses the PDF.js rendering API, resulting in sharp graphics at any zoom magnification [2]. Based on our research, more than 70% of those who try to implement these features on top of PDF.js find it too difficult or time-intensive [3]. For those who are successful,…

   2020 · its alternatives →

3. 3
   I built a zero-browser, pure-JS typesetting engine for bit-perfect PDFs▲78

   Hi HN, I'm a film director by trade, and I prefer writing my stories in plain text rather than using clunky screenplay software. Standard markup like Fountain doesn't work for me because I write in mixed languages, so I use Markdown with a custom syntax I invented to resemble standard screenplay structures. This workflow is great until I need to actually generate an industry-standard screenplay PDF. I got tired of manually copying and pasting my text back into the clunky software just to export it, so I decided to write a script to automate the process. That's when I hit a wall. I tried…

   Mar 2026 · github.com · its alternatives →

4. 4
   I built a free alternative to Adobe Acrobat PDF viewer▲357

   I built EmbedPDF: an MIT-licensed, open-source PDF viewer that aims to match all of Adobe Acrobat’s paid features… for free. Already working: - Annotations (highlight, sticky notes, free text, ink) - True redaction (content actually removed) - Search, text selection, zoom, rotation - Runs fully in the browser, no server needed - Drop-in SDK for React, Vue, Preact, vanilla JS Why? Acrobat is heavy, closed, and pricey. I wanted something lightweight, hackable, and embeddable anywhere. Demo: https://app.embedpdf.com/ Website: https://www.embedpdf.com/ GitHub:…

   2025 · github.com · its alternatives →

5. 5
   pdfme▲106

   Open source PDF library fully written in TypeScript

   2022 · pdfme.com · its alternatives →

6. 6
   Leerraum.js – A PDF typesetting library with hyphenated line breaking▲5

   A PDF typesetting library with exact positioning and hyphenated line breaking - pkamenarsky/leerraum.js

   2017 · github.com · its alternatives →

7. 7TH
   TypeScript Hack – Type System Text Adventure▲7

   2020 · ricklove.me · its alternatives →

8. 8
   PDF reflow in the browser with local AI model▲6

   Jul 2026 · appblit.com · its alternatives →

9. 9
   An open-source PDF document generation library in java▲8

   Solution for rapid development of specific enterprise software - openlowcode/Open-Lowcode

   2019 · github.com · its alternatives →

10. 10
    NodeAkt – Zero-dependency distributed actor framework for TypeScript▲5

    Zero-dependency distributed actor framework for TypeScript: typed actors, supervision, mailboxes, behaviors, an event stream, a multi-core runtime, remoting across nodes, and clustering with discovery, placement, singletons, and relocation

    Aug 2026 · tochemey.github.io · its alternatives →

11. 11
    PDFtoJson.dev▲21

    Parse PDF to Json with AI and BYO-JSON-Schema

    2025 · pdftojson.dev · its alternatives →

12. 12PC
    PDF.cool – API for converting web pages to PDF▲9

    2017 · pdf.cool · its alternatives →

13. 13
    Open Source PDF Compression API▲5

    2015 · stackhut.com · its alternatives →

14. 14
    Curveball, a microframework in TypeScript with AWS Lambda support▲7

    2020 · evertpot.com · its alternatives →

15. 15ET
    engine262 - the self-hosted JavaScript engine▲5

    2019 · engine262.js.org · its alternatives →

16. 16
    GraphCompose – Declarative Java engine for structured business PDFs▲5

    Declarative Java engine for structured business documents — one session renders a print-ready PDF and a geometry-identical, editable PowerPoint deck. Semantic layout, atomic pagination, theme tokens, native charts, SVG & gradients, deterministic, PDFBox-backed - DemchaAV/GraphCompose

    Jun 2026 · github.com · its alternatives →

17. 17
    A Semiring of Functions [pdf]▲9

    2016 · github.com · its alternatives →

18. 18NZ
    Native Zero-JDK▲6

    2025 · zero-jdk.dev · its alternatives →

19. 19
    PDFLance▲7

    Free, 100% offline PDF suite. Edit, merge, split, and more.

    2025 · pdflance.com · its alternatives →

20. 20
    Horrifying PDF experiments▲5

    A breakout game in a PDF

    2016 · rawgit.com · its alternatives →

21. 21
    Natto – a canvas for writing and manipulating JavaScript▲5

    2021 · natto.dev · its alternatives →

22. 22
    Nullstack – A framework for full stack JavaScript components▲7

    2023 · nullstack.app · its alternatives →

23. 23D1
    DuoCode 1.0 bridges the gap between C# and TypeScript▲7

    2015 · blog.duoco.de · its alternatives →

24. 24
    ModificarPDF▲8

    Todas las herramientas para trabajar con PDFs en un lugar

    2025 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →