Contagious Development

Building Tools That Inspire.

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Atlas

Atlas offers a powerful writing and idea collection environment that brings structure to your work without getting in the way. Combining project organization, versatile canvases, and markdown support in one beautifully native app, Atlas is designed to foster creativity and creation.
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Available for macOS, iPad, and iPhone
Atlas on macOS
Fox Issue Tracker App

Fox Issue Tracker

A simple project manager for simple developers. Designed as a way to escape expensive and complicated management systems, Fox Issue Tracker strives to be an effective tool at keeping projects in order.
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Available for macOS, iPad, and iPhone
Fox Issue Tracker
Benchmark entry screen in Dark Mode
Benchmark App

BenchmarkiOS

Track your Workouts

Benchmark is a fitness companion to support your workout journey. Log and automatically set rest times during sessions, create routines for frequent workouts, and dive into your workout history to witness your achievements and stay motivated as you stack weight and add time to your exercises.
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Recent Releases

Atlas 1.9.2: Exporting Improvements, Clip Shortcuts, RTF Export 1.9.2

Exporting Improvements, RTF Export, Clip Shortcuts

October 16, 2026

A big bug fix focused release, with 25+ fixes focused on exporting across PDF, ePub, HTML, and project export. This release also adds RTF export, a Reading Speed statistic, and new “Clip Web Page” and “Get Web Clip” shortcuts.

Atlas