Contagious Development

Building Tools That Inspire.

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

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

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

1.11

Customizable Folder Outlines and Gallery View, Smarter Versioning

November 10, 2026 5

Folder Outlines gain an updated design, the ability to customize and sort columns, and a new Gallery mode. Versions are smarter and the browser is easier to navigate. Lists get touch-ups in the editor and in PDF styling.

Atlas

1.10

Goal Tracking, Writing Reminders, and Blazingly Fast Sync

November 5, 2026 5

Introducing Writing Goals, Writing Reminders, and goal history to help you stay on track. Additional improvements for a blazing fast and even more robust sync and text editor.

Atlas

4.2

Issue editor themes and MCP improvements

October 30, 2026 3

A straight-forward update that brings editor themes to the issue details, improves MCP interactions in history, and cleans up several ui quirks.

Fox Issue Tracker

Contagious Development

Atlas

Fox Issue Tracker

Benchmark﻿iOS

Track your Workouts

Recent Releases

BenchmarkiOS