Assembla Workspaces vs IBM Rational ClearQuest comparison

Assembla and IBM are both solutions in the Defect Tracking category. Assembla is ranked #3, while IBM is ranked #1. Assembla holds a 12.4% mindshare in DT, compared to IBM’s 21.7% mindshare. Additionally, 80% of IBM users are willing to recommend the solution.

Assembla Workspaces

Read 1 Assembla Workspaces review

100 Views
100 Comparison Views

0% willing to recommend

IBM Rational ClearQuest

Read 4 IBM Rational ClearQuest reviews

774 Views
132 Comparison Views

80% willing to recommend

Assembla Workspaces

IBM Rational ClearQuest

Comparison Buyer's Guide

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Executive Summary

We performed a comparison between Assembla Workspaces and IBM Rational ClearQuest based on real PeerSpot user reviews.

Find out what your peers are saying about IBM, Tracware, Assembla and others in Defect Tracking.

To learn more, read our detailed IBM Rational ClearQuest vs. Panaya Test Dynamix Report (Updated: March 2026).

Buyer's Guide

IBM Rational ClearQuest vs. Panaya Test Dynamix

March 2026

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Helped 884,873 peers since 2012

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

Assembla Workspaces

Ranking in Defect Tracking

3rd

Average Rating

0.0

Number of Reviews

Ranking in other categories

No ranking in other categories

IBM Rational ClearQuest

Ranking in Defect Tracking

1st

Average Rating

7.2

Number of Reviews

Ranking in other categories

Software Configuration Management (7th)

Mindshare comparison

As of March 2026, in the Defect Tracking category, the mindshare of Assembla Workspaces is 12.4%. The mindshare of IBM Rational ClearQuest is 21.7%, down from 41.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Defect Tracking Mindshare Distribution
Product	Mindshare (%)
IBM Rational ClearQuest	21.7%
Assembla Workspaces	12.4%
Other	65.9%

Defect Tracking

Featured Reviews

it_user4230

VP of Product at a legal firm with 51-200 employees

Agile development with source control

Love the way everything about a product/project can be included in my Assembla space. All the source code, check-in history, requirements, etc. There's a terrific Lean/Agile workflow system with the cardwall. The search could still be improved, but overall it's a very solid…

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it_user808977

Software Developer at a tech vendor with 11-50 employees

It can be adapted to any process flow

ClearQuest is a Defect Tracking system with a highly adaptable state machine together with an easy to use API, which can do all of the functions available in the GUI. This simplifies integration and automation of many steps is why the organization still uses a much older version, as there are no…

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"We've been using Assembla for three years and it continues to get better."

"It can be adapted to any process flow and easily be integrated with other in-house tools using the ClearQuest API."

"The combination of a highly flexible state machine together with a platform independent API enables possibilities to automate many steps that in many systems are manual."

Cons

"The search could still be improved, but overall it's a very solid product."

"Lack of a modern web interface compared to other systems might discourage customers."

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884,873 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

No data available

Manufacturing Company

34%

Government

University

Transportation Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

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Panaya Test Dynamix vs IBM Rational ClearQuest

Compared 10% of the time

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Product Reports

No data available

Buyer's Guide

IBM Rational ClearQuest vs. Panaya Test Dynamix

March 2026

Download IBM Rational ClearQuest product report

Also Known As

No data available

Rational ClearQuest

Overview

Assembla Workspaces helps you to launch, collaborate, collect information and code, all in one place. It helps your team efficiently organize releases, squash bugs, and manage your development process.

Assembla

IBM Rational ClearQuest is a fully customizable database workflow application development and production system. It provides flexible change and defect tracking, customizable processes, near real-time reporting and lifecycle traceability for better visibility and control of the software development lifecycle. IBM Rational ClearQuest provides scalable, multiplatform support to any size organization so you can continue to customize processes as your development needs evolve.

IBM

Sample Customers

eBay, PayPal, Microsoft, INTUIT, HTC, HP

Atos SE, STM, Regence BlueCross BlueShield

Buyer's Guide

IBM Rational ClearQuest vs. Panaya Test Dynamix

March 2026

Free Report: IBM Rational ClearQuest vs. Panaya Test Dynamix

Find out what your peers are saying about IBM Rational ClearQuest vs. Panaya Test Dynamix and other solutions. Updated: March 2026.

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884,873 professionals have used our research since 2012.

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We monitor all Defect Tracking reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.