Spreadsheets for hierarchical data – real-time collaborative editing

What it does

Additional arguments are optional. Click "Done" to complete formula. Key collision. Please enter dictionary key: Dictionary key: Rename key: Key already exists. Rename key: {} – Unordered collection of pairs of unique keys and their associated values. Enter a value, list of values (for multiple columns), JSON, or choose a formula for a calculated column. Instances of undefined changed to null. (Undefined is not a JSON data type.) fancyBox – Copyright 2012 Janis Skarnelis – CC BY-NC 3.0 (Single Domain License) JSONPath Plus – Contributors: Prof. Gössner, Subbu Allamaraju, Mike Brevoort, Robert Krahn, Brett Zamir, Richard Schneider – MIT License Data Scribbler is…from datascribbler.com

• 
  Jottings2016 · ▲95

  Real-time collaboration in Markdown

• PA
  Polyphony – A realtime collaborative text editing lib for web/mobile2014 · polyphony-ot.com · ▲8
• 
  Collaborate on Slides2016 · slides.com · ▲99

  Shared editing and per-slide feedback on presentations

• 
  FulvidSep 2026 · github.com · ▲86

  A standalone desktop editor for Markdown and MDX

• 
  Collaborative text editing in ~220 lines of JavaScript2021 · git.ce9e.org · ▲5
• TD
  Tandem – Decentralized, cross-editor, collaborative editing2018 · typeintandem.com · ▲6

• 
  SimCity, but with Permits▲895

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 1d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 13d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 14d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 8d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 12d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 22d ago · space.bl2.net

• 
  Notion 1.0 Web + Mac App▲1,015

  Docs, wikis, tasks – a minimal & unified workspace for teams

  Work · 2016 · notion.so

• GF
  Generating fantasy maps – an interactive exploration▲1,004

  Life & fun · 2016 · mewo2.com

• 
  Pricing Pages▲837

  Curated directory of the best pricing pages

  Work · 2016 · pages.xyz

• 
  HTML Email▲783

  Responsive HTML email templates for startups & developers

  Growth · 2016 · htmlemail.io

• 
  Google Duo▲688

  One-to-one video calling. Google's FaceTime competitor.

  Work · 2016 · accounts.google.com

• 
  Boomerang Respondable▲687

  Write perfect emails with Artificial Intelligence

  AI · 2016 · boomeranggmail.com