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Parallex
Run any Mac app twice, each with its own sign-in
Two Slacks, two Claudes, two WhatsApps, open at once. Parallex makes a real copy of any Mac app with its own sign-in, data, notifications and Dock icon, and never touches your original. Free and open source for macOS 14+.
Hey Product Hunt! I built Parallex because I live in two of everything: a work Claude and a personal one, a client's Slack beside my own.
Pick an app, give the copy a name and a color, sign in with the other account. Both run side by side. A few things I'm proud of:
- Sign-in links from the browser go to the right copy
- A nightly lab tests 18 popular apps so you know what works before you try
- Workspaces open a whole set of copies at once (say, everything for one client)
- Snapshots let you roll a copy back if an update goes wrong
It's free and open source. Tell me which app you'd want to run twice.
About Parallex on Product Hunt
“Run any Mac app twice, each with its own sign-in”
Parallex was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #138 on the daily leaderboard. Two Slacks, two Claudes, two WhatsApps, open at once. Parallex makes a real copy of any Mac app with its own sign-in, data, notifications and Dock icon, and never touches your original. Free and open source for macOS 14+.
On the analytics side, Parallex competes within Productivity, Developer Tools, Artificial Intelligence and GitHub — topics that collectively have 1.7M followers on Product Hunt. The dashboard above tracks how Parallex performed against the three products that launched closest to it on the same day.
Who hunted Parallex?
Parallex was hunted by Mandip Adhikari. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Parallex including community comment highlights and product details, visit the product overview.
Mandip Adhikari