HelloCSV - A free FlatFile alternative

What it does

HelloCSV is a Flatfile alternative, except it's frontend only, open source, and free to use. Drop a beautiful CSV importer into any app in seconds (even if it doesn't use React). An intuitive four step flow: map columns, transform data, validate & preview.

• 
  UseCSV2022 · ▲113

  Add delightful data import to your app in minutes

• 
  Modern CSV2019 · ▲111

  A CSV editor/viewer

• FA
  Flatfile – a drop-in CSV / XLS importer for web apps2019 · flatfile.io · ▲54
• 
  CSVshare2017 · ▲184

  Instantly share CSV data and make it searchable

• AO
  An open source, modern CSV importer tool in React2021 · czhu12.github.io · ▲15
• CI
  Csvbox.io – CSV import button for a web app, SaaS or API2021 · csvbox.io · ▲155

• 
  Dograh▲592

  The open source VAPI alternative

  Dev tools · 25d ago · dograh.com

• 
  Meridian▲530

  Don't let your work go unnoticed. Get promoted!

  Dev tools · 20d ago · meridiona.com

• 
  x1▲516

  Lovable for iPhone apps go from idea to App Store

  Dev tools · 11d ago · x1.new

• 
  The GTM Co-Founder▲402

  Open-source GTM skills for technical founders

  Dev tools · 29d ago · gtmcofounder.com

• 
  Open-Source eInk Bike Computer▲387

  OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.

  Dev tools · 1d ago · opentrailpaper.com

• 
  Nuphos▲380

  The AI-Native DevOps Workspace.

  Dev tools · 24d ago · nuphos.ai

• IB
  I built a hardware processor that runs Python▲983

  Hi everyone, I built PyXL — a hardware processor that executes a custom assembly generated from Python programs, without using a traditional interpreter or virtual machine. It compiles Python -> CPython Bytecode -> Instruction set designed for direct hardware execution. I’m sharing an early benchmark: a GPIO test where PyXL achieves a 480ns round-trip toggle — compared to 14-25 micro seconds on a MicroPython Pyboard - even though PyXL runs at a lower clock (100MHz vs. 168MHz). The design is stack-based, fully pipelined, and preserves Python's dynamic typing without static type restrictions.…

  Dev tools · 2025 · runpyxl.com

• UC
  Unsure Calculator – back-of-a-napkin probabilistic calculator▲930

  Life & fun · 2025 · filiph.github.io

• IB
  I built an AI that turns GitHub codebases into easy tutorials▲923

  https://the-pocket.github.io/Tutorial-Codebase-Knowledge/

  AI · 2025 · github.com

• 
  Whatting▲898

  The iPad diary, just for you

  Work · 2025 · whatting.com

• 
  Strawberry▲859

  AI browser that saves you 18h/week

  AI · 2025 · strawberrybrowser.com

• 
  Peek▲828

  AI personal finance coach that guides you through decisions

  Work · 2025 · peek.money