AI · alternatives · 2026

24 alternatives to Stack Spaces

Intelligent workspace that answers your questions

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 2 we have checked on their own sites, 2 of them free or with a free tier. Stack Spaces launched in 2024; newer entries below may have overtaken it.

1
Stacks - your calm internet workspace ▲68
Save, search, and organize your content in a single place
2025 · betterstacks.com · its alternatives →
2
Side Space▲364
Side Space is an AI-powered browser extension for managing tabs in a vertical side panel. Side Space is a browser extension designed to help users organize and manage their open tabs more efficiently. It adds a vertical tabs manager to your browser’s side panel, making it easier to categorize, group, and switch between tabs for work, life, hobbies, and more. Key features include: • Vertical Spaces: Organize tabs into separate spaces (like work, shopping, or school) for better focus. • AI-Powered Grouping: Automatically group tabs using AI, or by domain, to reduce clutter. • Cloud Sync: Sync…
2024 · sidecopilot.com · its alternatives →
3
Oreate▲460
The All-in-one AI workspace that makes everyone a pro
2025 · oreateai.com · its alternatives →
4
Tactiq Spaces▲379
Build your team's knowledge base from meeting transcripts
2024 · tactiq.io · its alternatives →
5
Strut AI▲426
All-in-one AI workspace designed for writers
2023 · strut.so · its alternatives →
6
new.space for iOS▲350
Sharing, Feedback & Planning Made Easy
2024 · apps.apple.com · its alternatives →
7
Illospace▲73
Living space where teams and agents work together
May 2026 · github.com · its alternatives →
8
Matilda Workspace (Preview)▲306
It's hard to move fast when your tools are complicated
2024 · matilda.io · its alternatives →
9
Workspace by Portal Labs▲133
Collaborate with agents for work
2025 · useportals.dev · its alternatives →
10
Workspaces▲163
Your things well-organized. Ready to open with one click.
2017 · apptorium.com · its alternatives →
11
Allclues Web Beta▲112
The AI-infused workspace to read, write, research & more
2023 · its alternatives →
12
Stack by Area 120 at Google▲136
All your documents, organized with Google's document AI
2021 · stack.area120.com · its alternatives →
13
Nototo▲265
The spatial workspace - organize everything on one canvas
2021 · nototo.app · its alternatives →
14
Google Workspace Intelligence▲163
AI that understands and powers your Workspace
Apr 2026 · workspace.google.com · its alternatives →
15
Spacesfree tier, from $10.99/mo▲77
One shared space where your team and AI agents work
Sep 2026 · spaces.ez-ai.io · its alternatives →
16
Postpace▲125
Productivity platform for writers, bloggers & teams
2020 · its alternatives →
17
AISpace▲86
All frontier AI models in one space
Mar 2026 · aispace.one · its alternatives →
18
Macro▲179
Unifies your work into one app with shared memory
Jul 2026 · macro.com · its alternatives →
19
Crucial Human Workspace▲77
All-in-one productivity and collaboration platform
2020 · crucialhuman.com · its alternatives →
20
Workspaces 2▲131
The workspace organising app for Mac
2020 · apptorium.com · its alternatives →
21
hobfree tier, from $50/mo▲91
The professional workspace for your whole agent stack
Sep 2026 · hob.dev · its alternatives →
22
Notion- all-in-one workspace for your notes, tasks, wikis, databases▲5
Build Custom Agents, search across all your apps, and automate busywork. The AI workspace where teams get more done, faster.
2018 · notion.so · its alternatives →
23
Sense▲78
Automatic all-in-one workspace for your team
2022 · its alternatives →
24
Cospace▲76
Free self-hosted collaboration tool for stress-free work
2022 · twigex.com · 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 →