Dev tools · alternatives · 2026

24 alternatives to A simple upload library inspired by flow.js and resumable.js

A JavaScript library providing multiple simultaneous, stable, fault-tolerant and resumable/restartable file uploads via the HTML5 File API. - simple-uploader/Uploader

This upload library, inspired by flow.js and resumable.js, provides developers with tools for handling file uploads. It offers functionality for managing large files and resuming interrupted transfers. The library is… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. A simple upload library inspired by flow.js and resumable.js launched in 2017; newer entries below may have overtaken it.

1. 1
   Uppload v2▲346

   File uploading widget with 20+ plugins, no backend required

   2020 · uppload.js.org · its alternatives →

2. 2
   FilePond.js▲181

   Uploads anything you throw at it ☁️

   2018 · pqina.nl · its alternatives →

3. 3
   Crudlet.js – A common, streamable interface for synchronizing data▲94

   utility library for async iterable iterators. Contribute to crcn/mesh.js development by creating an account on GitHub.

   2015 · github.com · its alternatives →

4. 4
   FilePond.js – Animated, extendable, vanilla JavaScript file upload library▲7

   A JavaScript library that can upload anything you throw at it, optimizes images for faster uploads, and offers a great, accessible, silky smooth user experience.

   2018 · pqina.nl · its alternatives →

5. 5
   React Flow – library for creating node based editors and apps▲224

   React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable. - xyflow/xyflow

   2021 · github.com · its alternatives →

6. 6
   Draggable by Shopify▲602

   The Drag & Drop library your grandparents warned you about.

   2017 · shopify.github.io · its alternatives →

7. 7
   Flowy – A minimal JavaScript library to create flowcharts▲52

   The minimal javascript library to create flowcharts ✨ - alyssaxuu/flowy

   2019 · github.com · its alternatives →

8. 8
   Uploadcare 3.0▲315

   File API for the modern web

   2017 · uploadcare.com · its alternatives →

9. 9
   Uppy.io▲300

   Next open source file uploader for web browsers

   2017 · uppy.io · its alternatives →

10. 10
    Flowlet▲275

    A low-code platform for connecting and providing APIs

    2022 · flowlet.app · its alternatives →

11. 11
    Relume Library 2.0▲402

    Create and share your own Webflow component libraries

    2022 · relume.ai · its alternatives →

12. 12
    Visual flow-based programming for Erlang, inspired by Node-RED▲243

    Hi There, Erlang-RED has been my project for the last couple of months and I would love to get some feedback from the HN community. The idea is to take advantage of Erlangs message passing and low overhead processes to have true concurrency in Node-RED flows. Plus also to bring low-code visual flow-based programming to Erlang.

    2025 · github.com · its alternatives →

13. 13
    Flowbase▲257

    Curated Webflow assets, templates & guides

    2019 · flowbase.co · its alternatives →

14. 14
    Total.js Flow▲111

    Visual Programming Interface for everyone

    2023 · totaljs.com · its alternatives →

15. 15
    Uploader Window▲285

    Easy File Uploader for your websites and apps

    2018 · its alternatives →

16. 16
    Umbrella JS, a 2.5kb jQuery alternative▲132

    :umbrella: Lightweight javascript library for DOM manipulation and events

    2018 · umbrellajs.com · its alternatives →

17. 17
    uPlot.js – An exceptionally fast, tiny time series chart▲260

    📈 A small, fast chart for time series, lines, areas, ohlc & bars - leeoniya/uPlot

    2019 · github.com · its alternatives →

18. 18
    1 KB JavaScript library for building front end apps▲242

    1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

    2017 · github.com · its alternatives →

19. 19
    1kb JavaScript library for building front end applications▲187

    1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

    2017 · github.com · its alternatives →

20. 20
    PullToRefresh.js▲119

    A small, but powerful JavaScript library crafted to power your webapp

    2016 · boxfactura.com · its alternatives →

21. 21
    Drag-and-drop library for 2D, resizable and responsive lists▲92

    2014 · github.com · its alternatives →

22. 22LA
    LemonadeJS – A micro JavaScript library for building web interfaces▲57

    Reactive components with React-like patterns at ~9 KB gzip. Zero dependencies, zero build step, designed for humans and AI agents.

    2021 · lemonadejs.net · its alternatives →

23. 23
    libmodulor – An opinionated TS library to build multi-platform apps▲51

    Initially I started building this for my own projects. The main goal was to define a unified "blueprint" allowing me to develop multi-platform apps using the same code, without code generation. I wanted to be able to develop the same functionality on web, desktop, cli, server, mobile, whatever... I've been able to achieve this by relying on TypeScript, a 4-layer architecture (UseCase => App => Product => Target) and dependency injection. This mechanism allows me to use whatever tech stack I want, provided the good adapters are developed. For instance, I have pre-built ones : node express…

    2025 · github.com · its alternatives →

24. 24DD
    drag-drop file uploading for the whole web (Firefox/Chrome)▲66

    2010 · drag2up.appspot.com · 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 →