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ActiveCollab vs Slack Comparison (2026)

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Good recommendations?

ActiveCollab

Slack

Overview

ActiveCollab is your go-to tool if you're looking to streamline your workflows, improve teamwork, and scale: features for capacity planning and workload management, time tracking, project management, team collaboration, client communication, invoicing, budgeting, and reporting.

Slack is a single workspace that connects users with the people and tools they work with everyday, no matter where they are or what they do

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Video & Screenshots

Pricing

Starting from

/user

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

Starting from

8.75

/user

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

User reviews

4.5

414

253

130

Value for money

Ease of use

Features

Customer support

84%

would recommend this app

4.7

24.2K

17.4K

5.7K

912

127

Value for money

Ease of use

Features

Customer support

86%

would recommend this app

Pros

“it needs to have a built in form feature to capture requests.”

Jorge G.

Creative Director

“I started using it in a multimedia company I worked for, and in 2012 I implemented AC in my current job.”

Jorge G.

Creative Director

“There's a few things I wish it could do but they're creature comforts not missing features.”

Chuck F.

Project Manager

Pros

“Channels help keep discussions organized by project or department, file sharing is seamless, notifications can be customized to reduce distractions, and the powerful search feature makes it easy to retrieve older conversations.”

Emilia W.

Network Support Coordinator

“The intuitive interface, reliable performance, and wide range of integrations have helped streamline our daily workflows and improve productivity. While there are occasional challenges with managing large volumes of messages and notifications, the benefits far outweigh these minor drawbacks.”

Andrea L.

Innovation Manager

“What I most like about Slack are the video call feature (Huddle) and screen-recording feature (which also allows you to record audio and camera with it).”

James W.

Salesforce Administrator

Cons

“The Self-Hosted version lags far behind ActiveCollab 8.”

John W.

General Manager

“While comprehensive, the limited third-party integrations may hinder seamless workflow connections.”

Maria R.

Architect

“I lack anything that is detestable with ActiveCollab as it meets all my requirements and needs.”

Obhioze A.

Member

Cons

“Notification management can also be challenging in active workspaces, leading to information overload if not carefully configured. While Slack offers powerful search capabilities, finding older conversations or specific files is not always as intuitive as it could be.”

Cristiano F.

Consultant

“The only time I get frustrated with it is when I need to invite partners (from external companies) into our workspace for targeted deal collaboration. When those folks come from organizations stuck with Teams, it's not easy to get them to adopt it for a limited time, even though it's easy enough to add them to the dedicated Slack workspace.”

Alicia R.

Director, Business Development

“The lack of proper conditional logic (if/then branching) is frustrating. If you want to build complex, multi-step flows with different outcomes based on user input, the native builder just can't handle it.”