Roll Call

In plain words

Roll Call is a free, open-source web app that enables audio calls for anyone with an internet connection. Built as a messaging and meetings tool, it provides reliable audio communication without requiring downloads or subscriptions. The platform is designed for users who want straightforward calling capabilities through their web browser, combining simplicity with the transparency of open-source development.

written from the facts on this page · September 2026

• 
  Overtalk2024 · ▲286

  A free walkie-talkie for the web

• 
  Calls on Slack2016 · ▲725

  Make voice calls in Slack

• 
  Talk2021 · ▲171

  A free & open-source group video call thats works in browser

• 
  Rebel Calling2016 · rebtel.com · ▲134

  Internet-free international calling for $1 a month

• WJ
  We just open-sourced a Skype replacement with HTML52014 · voicechatapi.com · ▲303
• 
  Skype Meetings2016 · teams.live.com · ▲234

  Click a button to start a free video call

• 
  /dev/null▲482

  a social network for devs

  Dev tools · 2d 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 · 22d ago · openbot.run

• 
  Talanoa▲343

  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

• 
  Tribe 2.0▲998

  Introducing Augmented Messaging™

  Work · 2016 · tribe.pm

• 
  Slack for Mac▲937

  A new, improved Slack desktop app for Mac

  Work · 2016 · slack.com

• 
  Your Social Media Fingerprint (maybe NSFW)▲911

  Without your consent most major web platforms leak whether you are logged in. This allows any website to detect on which platforms you

  Growth · 2016 · robinlinus.github.io

• 
  MacBook Pro▲855

  The new MacBook Pro with TouchBar and more

  Life & fun · 2016 · apple.com

• 
  Surface Studio▲832

  A brilliant screen for your ideas, from Microsoft

  Life & fun · 2016 · microsoft.com

• 
  Facebook Design▲812

  Articles, videos, & resources made by designers at Facebook.

  Work · 2016