# Top Free Build Automation Software ## How Many Build Automation Software Products Does G2 Track? **Total Products under this Category:** 73 ### Category Stats (Jul 2026) - **Average Rating:** 4.39/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** Progress Chef (+1.31%) - Among all products in this category, Progress Chef recorded the largest rating increase compared to last month _Last updated: July 24, 2026_ ## How Does G2 Rank Build Automation Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 9,200+ Authentic Reviews - 73+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. [ GitHub ](https://www.g2.com/products/github/reviews) By [GitHub](https://www.g2.com/sellers/github) [ 4.7/5(2,380) ](https://www.g2.com/products/github/reviews) What do users say? Users consistently praise GitHub for its ease of use and seamless collaboration, making it a preferred platform for managing code and working in teams. The intuitive interface and robust version contr Pros and Cons [ Features (124) ](https://www.g2.com/products/github/reviews?qs=pros-and-cons)[ Complexity (45) ](https://www.g2.com/products/github/reviews?qs=pros-and-cons) [ Postman ](https://www.g2.com/products/postman/reviews) By [Postman](https://www.g2.com/sellers/postman) [ 4.6/5(1,793) ](https://www.g2.com/products/postman/reviews) What do users say? Users consistently praise Postman for its intuitive interface and efficient API testing capabilities, which simplify the process of creating, organizing, and executing requests. The ability to manage Pros and Cons [ Ease of Use (460) ](https://www.g2.com/products/postman/reviews?qs=pros-and-cons)[ Slow Performance (222) ](https://www.g2.com/products/postman/reviews?qs=pros-and-cons) [![Publicidad de G2](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "Publicidad de G2")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Patrocinado Publicidad de G2 ¡Obtén 2x conversión que con Google Ads con la Publicidad de G2! La Publicidad de G2 coloca tu producto en posiciones premium en páginas de alto tráfico y en páginas de competidores específicos para llegar a los compradores en momentos clave de comparación. [ Aprender Más ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ Red Hat Ansible Automation... ](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews) By [Red Hat](https://www.g2.com/sellers/red-hat) [ 4.6/5(377) ](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews) What do users say? Users consistently praise the ease of use and agentless architecture of the Red Hat Ansible Automation Platform, highlighting its ability to simplify complex automation tasks across various environmen Pros and Cons [ Automation (46) ](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews?qs=pros-and-cons)[ Learning Curve (13) ](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews?qs=pros-and-cons) [ Bitrise Mobile DevOps Platform ](https://www.g2.com/products/bitrise-mobile-devops-platform/reviews) By [Bitrise ltd](https://www.g2.com/sellers/bitrise-ltd) [ 4.8/5(241) ](https://www.g2.com/products/bitrise-mobile-devops-platform/reviews) What do users say? Users consistently praise the ease of use and intuitive interface of Bitrise, highlighting how quickly they can set up and manage CI/CD workflows for mobile applications. The platform's seamless integ Pros and Cons [ Ease of Use (28) ](https://www.g2.com/products/bitrise-mobile-devops-platform/reviews?qs=pros-and-cons)[ Expensive (4) ](https://www.g2.com/products/bitrise-mobile-devops-platform/reviews?qs=pros-and-cons) [ Appcircle ](https://www.g2.com/products/appcircle/reviews) By [Appcircle](https://www.g2.com/sellers/appcircle) [ 4.9/5(48) ](https://www.g2.com/products/appcircle/reviews) What do users say? Users consistently praise the user-friendly interface and automation features of Appcircle, which simplify mobile CI/CD processes for both iOS and Android. The platform's ability to streamline workflo Pros and Cons [ Ease of Use (15) ](https://www.g2.com/products/appcircle/reviews?qs=pros-and-cons)[ Complexity (3) ](https://www.g2.com/products/appcircle/reviews?qs=pros-and-cons) [ CircleCI ](https://www.g2.com/products/circleci/reviews) By [CircleCI](https://www.g2.com/sellers/circleci) [ 4.4/5(510) ](https://www.g2.com/products/circleci/reviews) What do users say? Users consistently praise the ease of use and fast integration with GitHub, highlighting how simple it is to set up and manage CI/CD pipelines. The intuitive interface and clear documentation contribu Pros and Cons [ Easy Integrations (4) ](https://www.g2.com/products/circleci/reviews?qs=pros-and-cons)[ Complexity (2) ](https://www.g2.com/products/circleci/reviews?qs=pros-and-cons) [ Bamboo ](https://www.g2.com/products/bamboo/reviews) By [Atlassian](https://www.g2.com/sellers/atlassian) [ 4.1/5(69) ](https://www.g2.com/products/bamboo/reviews) What do users say? Users consistently praise the product for its ease of use and strong integration with other Atlassian tools like JIRA and Bitbucket, which streamlines their CI/CD processes. Many appreciate how it sim Pros and Cons [ Customer Support (2) ](https://www.g2.com/products/bamboo/reviews?qs=pros-and-cons)[ Access Restrictions (1) ](https://www.g2.com/products/bamboo/reviews?qs=pros-and-cons) [ IBM Terraform (formerly HashiCorp Terraform) ](https://www.g2.com/products/ibm-terraform-formerly-hashicorp-terraform/reviews) By [HashiCorp](https://www.g2.com/sellers/hashicorp) [ 4.6/5(110) ](https://www.g2.com/products/ibm-terraform-formerly-hashicorp-terraform/reviews) What do users say? Users consistently praise Terraform for its ease of use and multi-cloud support, allowing for efficient infrastructure management across various platforms. The declarative syntax and modular approach Pros and Cons [ Automation (4) ](https://www.g2.com/products/ibm-terraform-formerly-hashicorp-terraform/reviews?qs=pros-and-cons)[ Conflict Management (4) ](https://www.g2.com/products/ibm-terraform-formerly-hashicorp-terraform/reviews?qs=pros-and-cons) [ Harness Platform ](https://www.g2.com/products/harness-platform/reviews) By [Harness](https://www.g2.com/sellers/harness-25016f40-e80f-4417-bea8-39412055d17a) [ 4.6/5(304) ](https://www.g2.com/products/harness-platform/reviews) What do users say? Users consistently highlight ease of use and fast, straightforward setup, noting that both developers and non-technical team members can create and manage feature flags or experiments with minimal eff Pros and Cons [ Ease of Use (114) ](https://www.g2.com/products/harness-platform/reviews?qs=pros-and-cons)[ Missing Features (23) ](https://www.g2.com/products/harness-platform/reviews?qs=pros-and-cons) [ Opsera ](https://www.g2.com/products/opsera/reviews) By [Opsera](https://www.g2.com/sellers/opsera) [ 4.6/5(107) ](https://www.g2.com/products/opsera/reviews) What do users say? Users consistently praise Opsera for its ease of use and automation capabilities, which significantly streamline CI/CD processes and reduce manual tasks. The platform's ability to integrate various to Pros and Cons [ Ease of Use (28) ](https://www.g2.com/products/opsera/reviews?qs=pros-and-cons)[ Performance Issues (11) ](https://www.g2.com/products/opsera/reviews?qs=pros-and-cons) [ amazee.io ](https://www.g2.com/products/amazee-io/reviews) By [amazee.io](https://www.g2.com/sellers/amazee-io) [ 4.9/5(40) ](https://www.g2.com/products/amazee-io/reviews) What do users say? Users consistently praise the responsive support and ease of use of amazee.io, highlighting the team's willingness to assist with technical challenges and their proactive communication. Many appreciat Pros and Cons [ Customer Support (1) ](https://www.g2.com/products/amazee-io/reviews?qs=pros-and-cons) [ Buildkite ](https://www.g2.com/products/buildkite/reviews) By [Buildkite](https://www.g2.com/sellers/buildkite) [ 4.8/5(25) ](https://www.g2.com/products/buildkite/reviews) What do users say? Users consistently praise the flexibility and ease of use of Buildkite, highlighting its ability to create customizable CI/CD pipelines that fit various project needs. The intuitive user interface and Pros and Cons [ Customization (1) ](https://www.g2.com/products/buildkite/reviews?qs=pros-and-cons)[ Learning Curve (1) ](https://www.g2.com/products/buildkite/reviews?qs=pros-and-cons) [ Upsun ](https://www.g2.com/products/upsun/reviews) By [Upsun](https://www.g2.com/sellers/upsun) [ 4.6/5(167) ](https://www.g2.com/products/upsun/reviews) What do users say? Users consistently praise the product for its ease of use and excellent support, which significantly enhances their development workflows. The platform's ability to streamline deployments and manage c Pros and Cons [ Customer Support (3) ](https://www.g2.com/products/upsun/reviews?qs=pros-and-cons)[ Access Restrictions (1) ](https://www.g2.com/products/upsun/reviews?qs=pros-and-cons) [ Ionic: An OutSystems Company ](https://www.g2.com/products/ionic-an-outsystems-company/reviews) By [Ionic](https://www.g2.com/sellers/ionic) [ 4.4/5(153) ](https://www.g2.com/products/ionic-an-outsystems-company/reviews) What do users say? Users consistently praise the ease of use and extensive documentation of the product, which allows for quick development and deployment of mobile applications. Many appreciate the ability to leverage Pros and Cons [ Ease of Use (10) ](https://www.g2.com/products/ionic-an-outsystems-company/reviews?qs=pros-and-cons)[ Mobile Applications (3) ](https://www.g2.com/products/ionic-an-outsystems-company/reviews?qs=pros-and-cons) [ Codefresh ](https://www.g2.com/products/octopus-deploy-codefresh/reviews) By [Octopus Deploy](https://www.g2.com/sellers/octopus-deploy) [ 4.6/5(70) ](https://www.g2.com/products/octopus-deploy-codefresh/reviews) What do users say? Users consistently praise the ease of use and intuitive interface of Codefresh, highlighting how it simplifies CI/CD processes, especially for Kubernetes deployments. Many appreciate its ability to in [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! 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[ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) - ‹ Prev‹ Prev - 1 - [2](/categories/build-automation/free?order=g2_score&page=2#product-list) - [3](/categories/build-automation/free?order=g2_score&page=3#product-list) - [Next ›Next ›](/categories/build-automation/free?order=g2_score&page=2#product-list) Spotlight Categories [Digital Experience Platforms (DXP)](https://www.g2.com/categories/digital-experience-platforms-dxp) [SMS Marketing Software](https://www.g2.com/categories/sms-marketing) [Outbound Call Tracking Software](https://www.g2.com/categories/outbound-call-tracking) [Online Backup Software](https://www.g2.com/categories/online-backup) [Demand Side Platform (DSP)](https://www.g2.com/categories/demand-side-platform-dsp) Similar Categories - [Continuous Delivery](/categories/continuous-delivery-tools) - [Continuous Integration](/categories/continuous-integration) - [Configuration Management](/categories/configuration-management) - [Other Continuous Delivery](/categories/other-continuous-delivery) - [Cloud Infrastructure Automation](/categories/cloud-infrastructure-automation) [Browse Build Automation Themes](/categories/build-automation/themes)