Canonical Bazaar vs IBM Rational ClearCase comparison

Canonical and IBM are both solutions in the Version Control category. Canonical is ranked #12, while IBM is ranked #9 with an average rating of 6.0. Canonical holds a 2.4% mindshare in VC, compared to IBM’s 7.2% mindshare. Additionally, 100% of Canonical users are willing to recommend the solution, compared to 66% of IBM users who would recommend it.

Canonical Bazaar

Read 1 Canonical Bazaar review

198 Views
198 Comparison Views

100% willing to recommend

IBM Rational ClearCase

Read 6 IBM Rational ClearCase reviews

935 Views
533 Comparison Views

66% willing to recommend

Canonical Bazaar

IBM Rational ClearCase

Comparison Buyer's Guide

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Executive Summary

We performed a comparison between Canonical Bazaar and IBM Rational ClearCase based on real PeerSpot user reviews.

Find out what your peers are saying about Atlassian, GitHub, Amazon Web Services (AWS) and others in Version Control.

To learn more, read our detailed Version Control Report (Updated: January 2026).

Buyer's Guide

Version Control

January 2026

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Helped 879,455 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

Canonical Bazaar

Ranking in Version Control

12th

Average Rating

8.0

Number of Reviews

Ranking in other categories

No ranking in other categories

IBM Rational ClearCase

Ranking in Version Control

9th

Average Rating

6.4

Number of Reviews

Ranking in other categories

Software Configuration Management (5th)

Mindshare comparison

As of January 2026, in the Version Control category, the mindshare of Canonical Bazaar is 2.4%, up from 1.2% compared to the previous year. The mindshare of IBM Rational ClearCase is 7.2%, up from 3.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Version Control Market Share Distribution
Product	Market Share (%)
IBM Rational ClearCase	7.2%
Canonical Bazaar	2.4%
Other	90.4%

Version Control

Featured Reviews

it_user1077

Developer at a tech company with 51-200 employees

Bazaar is an excellent open source version control system, which allows you to track project history

A great tool to work on projects in a collaborative environment.It also provides an ability to commit work on local machines, in case of no internet connection. Sometime it takes too long to display the differences in working tree, between revisions. Several operations are…

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Daniel Antonio Jimenez Quintana

IT Systems Architect at Banco Ripley

Difficult to use, not efficient, but stable

We are using IBM Rational ClearCase in Peru at two large banks for a code repository. However, it is not meant to be used as a repository I have found it very difficult to understand many functionalities in IBM Rational ClearCase. We have had many problems and it is not user-friendly. I have…

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Top Industries

By visitors reading reviews

No data available

Manufacturing Company

25%

Financial Services Firm

11%

Government

Computer Software Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

Questions from the Community

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What do you like most about IBM Rational ClearCase?

The tool had features similar to Git for version control. It offered branching and merging capabilities, providing better control over code management. Integration was possible with other tools, in...

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What is your experience regarding pricing and costs for IBM Rational ClearCase?

IBM Rational ClearCase, like any other IBM tool, is expensive.

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What needs improvement with IBM Rational ClearCase?

The solution's UI is slow compared to other tools. It is an old tool.

See all answers

Comparisons

Git vs Canonical Bazaar

Compared 100% of the time

More Canonical Bazaar Competitors

Git vs IBM Rational ClearCase

Compared 23% of the time

IBM Rational ClearQuest vs IBM Rational ClearCase

Compared 18% of the time

Bitbucket vs IBM Rational ClearCase

Compared 9% of the time

Apache Subversion vs IBM Rational ClearCase

Compared 8% of the time

GitHub vs IBM Rational ClearCase

Compared 7% of the time

More IBM Rational ClearCase Competitors

Product Reports

Buyer's Guide

Version Control

January 2026

Download Canonical Bazaar product report

Buyer's Guide

Software Configuration Management

December 2025

Download IBM Rational ClearCase product report

Also Known As

Bazaar

Rational ClearCase

Overview

Bazaar is a version control system that helps you track project history over time and to collaborate easily with others.

Canonical

IBM Rational ClearCase is an enterprise-grade configuration management system that provides controlled access to software assets, including requirements, design documents, models, test plans and test results. It be can be integrated with other IBM solutions, including IBM Rational Team Concert, IBM Rational ClearQuest, IBM Rational Asset Manager and IBM Rational Application Developer for WebSphere Software.

IBM

Sample Customers

Drizzle, Bugzilla, Mailman

Atos SE, FEI, STM

Find out what your peers are saying about Atlassian, GitHub, Amazon Web Services (AWS) and others in Version Control. Updated: January 2026.

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We monitor all Version Control 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.