nowfound

Dev tools · October 8, 2021

Kaleidoscope 3

Spot the differences, merge in seconds

Kaleidoscope 3 launched on October 8, 2021 with 135 votes, #263 of 2,933 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 5 years on.

What it does

Kaleidoscope is the perfect productivity enhancement for anyone working with lots of files, such as software developers of any kind. Spot the differences in text and image files, or even folders full of files. Review changes in seconds.

Spot the differences, merge in seconds.

Does a similar job

all alternatives →
  • Kaleidoscope 5.02024 · kaleidoscope.app · ▲143

    The leading diff and merge app for Mac developers

  • Kaleidoscope 42023 · kaleidoscope.app · ▲124

    Spot the differences, merge in seconds

  • Kaleidoscope2014 · kaleidoscope.app · ▲116

    Hands down the best file comparison and merge tool for Mac

  • Kaleidoscope for iOS2017 · apps.apple.com · ▲8

    Spot the differences, merge in seconds. Now for iOS 11 iPad.

  • Kaleidoscope 2.42021 · kaleidoscope.app · ▲135

    World’s most powerful file comparison app

  • Kaleidoscope2023 · ▲1

    Unlocking Performance Insights

More dev tools this month

the category →
  • /dev/null▲486

    a social network for devs

    Dev tools · 3d ago · dev-null.sh

  • open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 28d ago · github.com

  • Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 26d ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 23d ago · openbot.run

  • Talanoa▲346

    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 · 21d ago · talanoa.email

  • CoreSpeed▲332

    One MCP for everything your agents need: apps, memory, tools

    Dev tools · 28d ago · corespeed.io

Source: Product Hunt launch ↗

Launched alongside, October 2021

the whole month →
  • AI powered Twitter growth & scheduling for makers

    Growth · 2021 · tweethunter.io

  • Vimcal▲883

    Superhuman for Calendar

    Work · 2021 · vimcal.com

  • Thursday▲834

    Where remote teams do their socials, no sign up required

    Work · 2021 · thursday.social

  • Reform▲767

    Clean-looking, on-brand forms. No code required.

    Dev tools · 2021 · reform.app

  • Remove objects and defects from your pictures - 100% free

    AI · 2021 · cleanup.pictures

  • Create, edit, and record stunning videos with ease

    Growth · 2021 · canva.com