Software Alternatives, Accelerators & Startups

CircleCI VS Fossil

Compare CircleCI VS Fossil and see what are their differences

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CircleCI logo CircleCI

CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.

Fossil logo Fossil

Simple, high-reliability, distributed software configuration management
  • CircleCI Landing page
    Landing page //
    2023-10-05
  • Fossil Landing page
    Landing page //
    2023-07-23

CircleCI

Release Date
2011 January
Startup details
Country
United States
State
California
Founder(s)
Allen Rohner
Employees
500 - 999

CircleCI features and specs

  • Ease of Use
    CircleCI offers a user-friendly interface and straightforward configuration, making it accessible for both beginners and experienced users.
  • Scalability
    CircleCI easily scales with your project, allowing for flexible resource allocation and handling multiple workflows in parallel.
  • Extensive Integrations
    CircleCI supports a wide range of integrations with various tools and services like GitHub, Bitbucket, Docker, and Slack, enabling seamless workflows.
  • Speed and Performance
    With features like advanced caching, dependency management, and parallelism, CircleCI enables faster builds and quicker feedback cycles.
  • Customizability
    CircleCI provides powerful configuration options through YAML files, allowing users to tailor their CI/CD pipelines to specific project requirements.
  • Free Tier Availability
    CircleCI offers a free plan that includes several features, making it suitable for small projects and open-source contributions.

Possible disadvantages of CircleCI

  • Learning Curve for Advanced Features
    While CircleCI is generally user-friendly, mastering advanced configurations and optimizations can take time and require a deeper understanding of the platform.
  • Cost for Higher Tiers
    The pricing for higher-tier plans can become expensive, especially for large teams or enterprises requiring extensive usage and advanced features.
  • Limited Concurrency in Free Plan
    The free plan has limited concurrent builds, which might not be sufficient for larger projects with high parallelization needs.
  • Occasional Stability Issues
    Users have reported occasional performance and stability issues, particularly during high-demand periods, which can slow down the build process.
  • Configuration Complexity
    If not properly managed, the YAML configuration files can become complex and difficult to maintain for larger projects, leading to potential misconfigurations.

Fossil features and specs

  • Version Control Integration
    Fossil is a distributed version control system that integrates bug tracking, a wiki, and a blog, providing a comprehensive development environment in one tool.
  • Self-Contained
    Fossil is a single executable that contains everything needed, making it easy to install and manage with low dependency overhead.
  • Simple UI
    Fossil includes a built-in, easy-to-use web interface that allows users to browse repositories, manage tickets, and handle wiki content without needing separate tools.
  • SQLite Backend
    Fossil uses an SQLite database to store all its data, making it reliable, efficient, and easy to backup and transfer.
  • Integrated Bug Tracking
    The integrated bug tracking system allows developers to manage issues and bugs directly within the same environment, streamlining the workflow.
  • Cross-Platform
    Fossil is designed to work on multiple operating systems, including Linux, macOS, and Windows, ensuring a consistent experience across different environments.
  • Strong Documentation
    Fossil comes with extensive documentation and a supportive community, which helps users quickly get up to speed and solve issues.

Possible disadvantages of Fossil

  • Niche User Base
    Fossil has a relatively small user base compared to more popular version control systems like Git, which may result in fewer resources and community support.
  • Limited Third-Party Integration
    Due to its smaller market share, Fossil has fewer integrations and third-party tools available compared to its competitors, limiting extensibility.
  • Learning Curve
    Users new to Fossil might find its all-in-one approach with integrated tools to be complex initially, especially if they are accustomed to using separate systems for version control, bug tracking, and wikis.
  • Performance
    While suitable for many projects, Fossil might not perform as well as other VCS systems when handling very large repositories or extremely high volumes of transactions.
  • UI Customization
    The built-in web interface, while simple and functional, may lack the level of customization and modern design aesthetics that some users expect.

Analysis of Fossil

Overall verdict

  • Fossil is a solid choice for users looking for a simple and reliable SCM system without the overhead of more complex alternatives like Git. It is particularly well-suited for projects where integrated features like bug tracking and wikis are beneficial. However, for very large or complex projects, or where external integration with other tools is crucial, other options might be more suitable.

Why this product is good

  • Fossil is a versatile software configuration management (SCM) system that integrates distributed version control, bug tracking, a wiki, and a blog into a single, simple web interface. It emphasizes simplicity, ease of use, and consistency across platforms, making it a great tool for small to medium-sized projects. Its built-in web interface is intuitive, and it doesn't require a separate server setup, which can be convenient for many users. Additionally, Fossil is lightweight and has a strong focus on integrity and reliability, evident from its use in managing the source code of SQLite, a project known for its robustness.

Recommended for

    Fossil is recommended for small to medium-sized projects, teams looking for an easy-to-use SCM with integrated project management features, and individuals or groups working on portable and straightforward development setups. It's also a good choice for those who prioritize security and reliability, given its backing by projects like the development of SQLite.

CircleCI videos

CircleCI Part 1: Introduction to Unit Testing and Continuous Integration

More videos:

  • Tutorial - How To Setup CircleCI On Your Next Project (Vue, React, or Angular)

Fossil videos

Why Is EVERYONE Giving This Watch 5 Stars?! - A Brutally Honest Fossil Watch Review

More videos:

  • Review - What Happened To Fossil Watches?
  • Tutorial - Fossil watch real vs. fake review. How to tell counterfeit Fossil wrist watch

Category Popularity

0-100% (relative to CircleCI and Fossil)
Continuous Integration
100 100%
0% 0
Code Collaboration
0 0%
100% 100
DevOps Tools
100 100%
0% 0
Git
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare CircleCI and Fossil

CircleCI Reviews

The Best Alternatives to Jenkins for Developers
CircleCI is a cloud-based CI/CD platform that has gained significant traction in recent years. With a focus on simplicity and ease of use, CircleCI offers a streamlined approach to automating your build, test, and deployment processes. One of its standout features is its strong support for Docker, making it a great choice for teams working with containerized applications.
Source: morninglif.com
Top 5 Jenkins Alternatives in 2024: Automation of IT Infrastructure Written by Uzair Ghalib on the 02nd Jan 2024
CircleCI– Get unparalleled performance and insights with CircleCI’s interactive dashboard and automatic upgrades – revolutionizing the way you build and deploy your applications.
Source: attuneops.io
Top 10 Most Popular Jenkins Alternatives for DevOps in 2024
CircleCI can be a Jenkins replacement for teams seeking a managed experience where performance and support options are priorities. CircleCI is also investing heavily in building new capabilities that cater to the pipeline requirements of apps using AI and ML.
Source: spacelift.io
35+ Of The Best CI/CD Tools: Organized By Category
CircleCI is a complete CI/CD pipeline tool. You can monitor the statuses of your various pipelines from your dashboard. Additionally, CircleCI helps you manage your build logs, access controls, and testing. It’s one of the most popular DevOps and CI/CD platforms in the world.
10 Jenkins Alternatives in 2021 for Developers
CircleCI is generally recognized for its flexibility and compatibility. Customization is obviously an important factor when making the switch from Jenkins and CircleCI certainly takes an impressive swing at providing users with a solid collection of features.

Fossil Reviews

We have no reviews of Fossil yet.
Be the first one to post

Social recommendations and mentions

Based on our record, CircleCI should be more popular than Fossil. It has been mentiond 77 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CircleCI mentions (77)

  • Improving API Performance In Legacy Systems: A Guide for API Developers
    Tools like Jenkins, GitLab CI/CD, and CircleCI offer capabilities for parallel testing and test caching, allowing multiple tests to run simultaneously. This approach significantly reduces overall testing time and prevents unnecessary delays in deployment. Industry leaders such as Netflix and Amazon employ these practices to minimize outages and maintain high service quality. - Source: dev.to / 2 months ago
  • Top 17 DevOps AI Tools [2025]
    CircleCI is a leading cloud-based platform for CI/CD that automates the software development process, enabling teams to build, test, and deploy applications with efficiency and precision. By integrating seamlessly with popular version control systems like GitHub, GitLab and Bitbucket, CircleCI enhances collaboration and accelerates development cycles. - Source: dev.to / 3 months ago
  • Building a serverless GenAI API with FastAPI, AWS, and CircleCI
    GitHub and CircleCI Accounts: You will need a GitHub account to host your project’s repository and a CircleCI account to automate testing and deployment through CI/CD. - Source: dev.to / 3 months ago
  • CircleCI vs. Jenkins
    CircleCI is a CI/CD platform that automates the process of building, testing, and deploying software. It helps developers integrate code changes more frequently and efficiently, ensuring that software development teams can detect and fix errors quickly. - Source: dev.to / 3 months ago
  • AIOps, DevOps, MLOps, LLMOps – What’s the Difference?
    CI/CD tools: Tools like Jenkins, CircleCI, and GitLab CI to automate the build and deployment pipeline. - Source: dev.to / 5 months ago
View more

Fossil mentions (26)

  • Git Bug: Distributed, Offline-First Bug Tracker Embedded in Git, with Bridges
    Fossil[0] has bug tracking as a standard feature, and through the HTTP role-based authentication, you are able to set up users with different privileges; for instance, being able to read and write the bug tracker without the ability to push new code. [0]: https://fossil-scm.org/home/doc/trunk/www/index.wiki. - Source: Hacker News / 17 days ago
  • I struggled with Git, so I'm making a game to spare others the pain
    Sort of repeating a nested comment, but - I've been using fossil ( https://fossil-scm.org/home/doc/trunk/www/index.wiki ) for years and absolutely love it. Single executable you just download and put in your path. Sane, well-documented interface (CLI, API and web). Full repo in a single SQLite file. Highly intelligent and efficient diff-based storage and compression (including network transfers). Rock-solid code.... - Source: Hacker News / 3 months ago
  • jj: A Git-compatible VCS that is both simple and powerful
    Neither do I. This discussion isn't about what someone else runs or doesn't run on their computers. By all means, run `jj`. Or use `fossil`[1], which I maintain is technically superior to both `git` and `jj` (if you disagree, show me another VCS that also gives me a ticketing system, wiki, documentation system, forum and webui, all from a single executeable that allows me to set everything up with a few command... - Source: Hacker News / 4 months ago
  • Htmx Is Composable?
    Feedback to author: The diagram and explanation took a beat longer than normal to scan, since this buries a bit that it's not about the beautiful source control system called fossil shipped as a composition of modules: https://fossil-scm.org/home/doc/trunk/www/index.wiki Great diagrams, so of course that's the first thing a reader will skim. People biuld things based on git all the time, the diagram looks like... - Source: Hacker News / over 1 year ago
  • Cloudflare API Down
    There are (all too rare) tools that back those objects with git as well. And there's always fossil ... https://fossil-scm.org/home/doc/trunk/www/index.wiki But it's not git. :-(. - Source: Hacker News / over 1 year ago
View more

What are some alternatives?

When comparing CircleCI and Fossil, you can also consider the following products

Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development

GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab

Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.

Mercurial SCM - Mercurial is a free, distributed source control management tool.

Travis CI - Simple, flexible, trustworthy CI/CD tools. Join hundreds of thousands who define tests and deployments in minutes, then scale up simply with parallel or multi-environment builds using Travis CI’s precision syntax—all with the developer in mind.

Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.