AI · alternatives · 2026
24 alternatives to Cortex OS
Turning wasted screen time into focused output.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1

The ultimate productivity system for high performers
2023 · getdigitalbrain.typedream.app · its alternatives →
- 2

- 3

The game-changing second brain & productivity Notion system
2023 · its alternatives →
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Productivity.so▲531Shortcuts and hacks for your favorite tools
2020 · productivity.so · its alternatives →
- 6

The ultimate productivity system for digital entrepreneurs
2023 · its alternatives →
- 7

- 8

Improve productivity, security & digital wellness on devices
2021 · apps.microsoft.com · its alternatives →
- 9
SECOND BRAIN 2.0▲111Get organized, get productive with Second Brain 2.0
2023 · oussamaltrx21.gumroad.com · its alternatives →
- 10
Cortex▲70Run multiple claude-code agents from YAML config
Jan 2026 · cortex-cli.vercel.app · its alternatives →
- 11
FocusRO▲63ML based employee productivity & time tracking software
2022 · focusro.com · its alternatives →
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Pulse▲86Your company's permission-aware, proactive and agentic brain
Jul 2026 · pulsehq.tech · its alternatives →
- 15

Production infrastructure for machine learning at scale - cortexlabs/cortex
2019 · github.com · its alternatives →
- 16

The simple & minimal life management system
2023 · harshitjain374.gumroad.com · its alternatives →
- 17IS
2023 · complish.ai · its alternatives →
- 18

A tool that combines an online-whiteboard and a time tracker
2021 · productivitylab.de · its alternatives →
- 19

The AI workspace that turns thinking into action
Apr 2026 · visualbrain.io · its alternatives →
- 20CO
Hey HN! I’m Andrew, and I’ve been building Cortex (https://cortexdesktop.com/) for the last few weeks. Cortex is my attempt to reimagine how we interact with computers - starting with a simple interface, but aiming for something deeper: an AI layer over your OS that understands what you’re doing, remembers it, and helps you dynamically. Right now, Cortex is just a floating overlay you can summon anywhere on your Mac. It works like an inline ChatGPT, but it lets you instantly send that context into the chat by highlighting text - so you don’t have to explain what you’re doing.…
2025 · cortexdesktop.com · its alternatives →
- 21

An AI built to train you, not the other way around
Mar 2026 · make10000hours.com · its alternatives →
- 22
Zenith▲13A second digital brain to maximize productivity
2025 · usezenithfocus.com · its alternatives →
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Cortex▲10Your content, simulated through the brain.
Jun 2026 · cortex-three-kappa.vercel.app · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →