--- title: "Why Choose Calico?" source: "https://www.tigera.io/tigera-products/why-calico/" description: "See why teams choose Calico for Kubernetes networking and security: scale, performance, and a single platform for network policy, security, and observability." --- # Why Choose Calico? Calico powers 100M+ containers across 8M+ nodes in 166 countries, and is supported across all major cloud providers and Kubernetes distributions. [Learn More](https://info.tigera.io/rs/805-GFH-732/images/Calico-Business-Value-of-a-Single-Unified-Platform.pdf) ![Laptop screen shows Calico logo and "brought to you by Tigera" text.](https://www.tigera.io/app/uploads/2026/01/Hero-Why-Calico-1200x628-2.png) ## Trusted by Customers Worldwide [![Orange Logo](https://www.tigera.io/app/uploads/2022/03/logo-Orange.png)](http://www.orange.com/en) [![Essentra Logo](https://www.tigera.io/app/uploads/2022/04/logo-Essentra.png)](https://www.essentra.com/en) [![Siemens Healthiners Logo](https://www.tigera.io/app/uploads/2022/09/logo-siemens-healthineers.png)](https://www.siemens-healthineers.com/) [![RBC Logo](https://www.tigera.io/app/uploads/2024/05/logo-RBC.png)](https://www.rbcroyalbank.com/) [![MARSH & McLENNAN Logo](https://www.tigera.io/app/uploads/2022/03/logo-Marsh-and-McLennan.png)](http://www.mmc.com/) [![Presidio Logo](https://www.tigera.io/app/uploads/2024/05/logo-Presidio.png)](https://www.presidio.com/) [![Box Logo](https://www.tigera.io/app/uploads/2022/03/logo-box.png)](http://www.box.com/home) [![Nvidia Logo](https://www.tigera.io/app/uploads/2024/05/logo-Nvidia.png)](https://www.nvidia.com/) [![FM Global Logo](https://www.tigera.io/app/uploads/2023/03/logo-FM-Global.png)](https://www.fmglobal.com/) [![Upwork Logo](https://www.tigera.io/app/uploads/2022/12/logo-upwork.png)](https://www.upwork.com/) [![GoDaddy Logo](https://www.tigera.io/app/uploads/2023/03/logo-GoDaddy.png)](https://www.godaddy.com/) [![Arvato Systems Logo](https://www.tigera.io/app/uploads/2025/01/logo-Arvato-systems.png)](https://www.arvato-systems.com/) [![Aldagi Logo](https://www.tigera.io/app/uploads/2022/10/logo-aldagi.png)](https://aldagi.ge/en/) [![NBC Universal Logo](https://www.tigera.io/app/uploads/2022/09/logo-NBC-Universal.png)](https://www.nbcuniversal.com/) [![Chipotle Logo](https://www.tigera.io/app/uploads/2024/05/logo-Chipotle.png)](https://www.chipotle.com/) [![MeridianLink Logo](https://www.tigera.io/app/uploads/2022/03/logo-Meridianlink.png)](http://www.meridianlink.com/) [![Mulligan Funding Logo](https://www.tigera.io/app/uploads/2022/03/logo-MulliganFunding.png)](https://www.mulliganfunding.com/) [![HanseMerkur Logo](https://www.tigera.io/app/uploads/2022/03/logo-HanseMerkur.png)](http://www.hmrv.de/en) [![fiserv. Logo](https://www.tigera.io/app/uploads/2022/12/logo-fiserv.png)](https://www.fiserv.com/) [![Berenberg Logo](https://www.tigera.io/app/uploads/2022/03/logo-BERENBERG.png)](http://www.berenberg.de/en/) [![eHealth Logo](https://www.tigera.io/app/uploads/2023/10/logo-eHealth.png)](https://www.tigera.io/ehealth-case-study/) [![Coin Metrics Logo](https://www.tigera.io/app/uploads/2022/03/logo-coinmetrics.png)](http://coinmetrics.io/) ## Network security and observability for containers and Kubernetes ![Three inputs connect to a central gear icon within a browser window.](https://www.tigera.io/app/uploads/2025/10/Why-Calico-reduce-tool-sprawl.svg) ### Reduce Tool Sprawl Unify networking, network security, and observability with one Calico platform. Eliminate tool sprawl, reduce integration effort, and close visibility gaps, so teams spend less time managing tools and more time delivering value. ![Icons representing Kubernetes, OpenShift, GKE, Red Hat, and SUSE platforms.](https://www.tigera.io/app/uploads/2025/10/Why-Calico-run-anywhere-1.svg) ### Run Anywhere, Without Lock-In Ensure workload portability across EKS, AKS, GKE, OpenShift, Rancher, and more. Calico’s extensive Kubernetes distribution and dataplane support let you move freely, maintain compliance, and avoid costly Kubernetes platform vendor lock-in. ![Browser window showing two squares with arrows indicating scaling.](https://www.tigera.io/app/uploads/2025/10/Why-Calico-scale-without-complexity.svg) ### Scale Without the Complexity Expand across clusters with built-in multi-cluster networking, security, and observability without the need for a separate and expensive service mesh solution. Calico delivers seamless multi-cluster connectivity, centralized policy control, and consistent visibility across Kubernetes, VMs, and bare metal, so you can scale confidently across all environments without adding overhead or risk. ![Warning triangle with a lightning bolt and a downward arrow.](https://www.tigera.io/app/uploads/2024/06/Why-Calico-minimize-outages.svg) ### Minimize business outages Gain unified observability and control at scale. Calico delivers real-time visibility, consistent policy enforcement, and automated threat detection across all clusters. By streamlining troubleshooting and reducing manual effort, it helps teams maintain uptime, meet compliance goals, and prevent service interruptions before they occur. ## Commitment to Open Source We are committed to developing, cultivating, and supporting open-source projects and communities. ![Calico Logo](https://www.tigera.io/app/uploads/2026/01/Calico-logo-2026-badge.svg) ### Project Calico We are the creator and maintainer of Project Calico, an open-source project with an active development and user community. Calico Open Source was born out of this project and has grown to be the most widely adopted solution for container networking and security, powering 8M+ nodes daily across 166 countries. ![eBPF Logo](https://www.tigera.io/app/uploads/2024/06/eBPF-logo.svg) ### eBPF, Envoy, Istio, and WireGuard We actively use and promote popular open-source projects like eBPF, Envoy, Istio, and WireGuard. Calico provides a pluggable data-plane architecture enabling support for multiple data planes, including standard Linux, eBPF, and Windows. Calico also integrates with Envoy to provide observability functionality, works seamlessly with Istio to simplify and secure service mesh deployments, and uses WireGuard to encrypt all in-cluster communications. ## Loved by the Community The global Calico community is large and growing. We deliver more than 100 free technical training sessions annually to thousands of community members. We also offer free, self-paced Calico certification programs. ![Calico connects to data planes, platforms, Kubernetes, and deployment types.](https://www.tigera.io/app/uploads/2026/01/Ecosystem_2026.svg) ## Don’t Just Take Our Word for It See what our users have to say ### Awesome product The support and knowledge of the team is unmatched and going the extra mile is second nature to them. Once you are setup, upgrades and management is an easy task. ![G2 logo](https://www.tigera.io/app/themes/tigera2021/dist/img/logo-g2.svg) ![5 stars](https://www.tigera.io/app/themes/tigera2021/dist/img/stars-5.svg) Anonymous [It’s extremely helpful to know what endpoints your services are talking to. With Calico Cloud in place, we have a much-improved security posture. ![Mulligan Funding Logo](https://www.tigera.io/app/uploads/2023/03/logo-MulliganFunding2.png) Jeff Puccinelli Director of Infrastructure and Security Operations](https://www.tigera.io/mulligan-funding-case-study/) [Tigera is our zero-trust security partner. Whatever Box does with its Kubernetes clusters, Calico is always a key component. ![Box Logo](https://www.tigera.io/app/uploads/2023/04/logo-Box-170x60-1.png) Tapas Mohapatra Sr. Manager, Site Reliability Engineering, Cloud & Kubernetes](https://www.tigera.io/box-case-study/) ### Comprehensive observability platform Calico Cloud offers many features. It brings observability, security, firewall and isolation into your Kubernetes cluster. Tigera also offers training on how to use Calico Cloud and support is very helpful and responds quickly. Andris J. ### Great product and a phenomenal company to work with Calico gives us essential visibility and control of network flow within our Kubenetes environment. It simplifies what would be an extremely complex management activity. David C. [eHealth struggled with visibility and containerized workload controls, and saw limited ROI with its previous security tool. We chose Calico, Tigera’s container and Kubernetes security platform, as it scored the highest on our Gartner-based scoreboard. We’re extremely pleased with our decision. ![eHealth Logo](https://www.tigera.io/app/uploads/2023/10/logo-eHealth-170x60-1.png) Anburaj Raju Sr. Staff Application Security Engineer](https://www.tigera.io/ehealth-case-study/) [Calico is the most adopted solution globally. Upwork chose Calico because it is the most active and most-used security solution for containers and Kubernetes, and has a large community. Upwork recommends Calico for networking and security. ![Upwork Logo](https://www.tigera.io/app/uploads/2023/10/logo-Upwork-170x60-1.png) Angelos Lenis Sr. Manager, Platform Engineering](https://www.tigera.io/upwork-case-study/) ### Stellar Performance Network segmentation, scalability and unmatched security, which provides security policies for every workload, ensuring that only authorized traffic flows. Giorgi K. ### Well engineered product backed by some awesome folks The product is solid and does what it says it does, which is not something you always see. More importantly though, the team backing the product is amazing. Kevin M. [Trying to find everything Calico offers would necessitate working with at least five different vendors. Luckily, Calico Cloud is a one-stop solution; I deal with one person, which makes my life easier. ![Nuralogix Logo](https://www.tigera.io/app/uploads/2024/03/logo-NuraLogix-170x60-1.png) Romil Khanna Data Security Officer & Platform Engineering Team Lead](https://www.tigera.io/nuralogix-case-study/) [Using Calico Enterprise, Aldagi achieved EU GDPR compliance and brought our online services to retail and corporate customers. ![Aldagi Logo](https://www.tigera.io/app/uploads/2023/03/logo-Algagi-170x60-1.png) Vasili Grigolaia Vice President of Engineering](https://www.tigera.io/aldagi-case-study/) ### Comprehensive observability platform Andris J. David C. [With Calico Cloud, we've been able to automate many processes that we previously handled manually. This has significantly streamlined our operations and improved efficiency. ![Leader Bet Logo](https://www.tigera.io/app/uploads/2023/10/logo-Leader-bet-170x60-1.png) Levan Akhalaia Network Solution Architect](https://www.tigera.io/leader-bet-case-study/) ### Awesome product Anonymous ### Comprehensive observability platform Andris J. David C. ### Stellar Performance Giorgi K. Kevin M. ### Comprehensive observability platform Andris J. David C. ### Awesome product Anonymous ### Comprehensive observability platform Andris J. David C. ### Stellar Performance Giorgi K. Kevin M. ### Comprehensive observability platform Andris J. David C. ## Get a Demo [Schedule my demo now](https://www.tigera.io/demo/)