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Realtime distributed messaging platform. Simple topology, no single point of failure. Written in Go, handles billions of messages.

Dynamic naming and configuration service by Alibaba. Service discovery, config management, and DNS-based routing for microservices.

Browser automation framework. Automate web application testing across browsers. Supports Java, Python, C#, and JavaScript.

End-to-end testing for modern web apps by Microsoft. Cross-browser, auto-wait, web-first assertions. Faster than Selenium.

JavaScript end-to-end testing framework. Time travel debugging, automatic waiting, real-time reloads. Developer-friendly.

Generic open-source automation framework. Keyword-driven testing for web, API, desktop, and mobile. Extensible with Python.

Automate data flow between systems. Drag-and-drop interface, 300+ processors, data provenance, and back-pressure handling.

Platform to programmatically author, schedule, and monitor workflows. DAG-based, extensible, and widely used for ETL pipelines.

Transform data in your warehouse using SQL. Version control, testing, documentation. Analytics engineering standard.

Free, self-hosted workflow automation tool. 400+ integrations, visual editor, custom code nodes. Zapier/Make alternative.

Flow-based programming tool for wiring together hardware, APIs, and services. Browser-based editor, Node.js runtime.

System for building agents that perform automated tasks online. Monitor websites, create alerts, and chain actions. Self-hosted IFTTT.

Open-source business automation tool. No-code/low-code workflows, 100+ integrations. Self-hosted Zapier alternative.

Unified distributed storage system. Object, block, and file storage in one cluster. Self-healing, self-managing, exabyte-scale.

Scalable network filesystem. Aggregate disk storage from multiple servers. No metadata server, POSIX-compliant, replication and striping.

Fast distributed storage for billions of files. S3 API, FUSE mount, Kubernetes CSI driver. Optimized for small files.

Cloud-native distributed block storage for Kubernetes. Built-in backup, snapshots, and disaster recovery. CNCF sandbox project.

Embedded open-source NAS distribution based on FreeBSD. ZFS, RAID, iSCSI, SMB, NFS, and web-based management.

Linux and Btrfs-based NAS solution. Rock-ons (Docker apps), snapshots, replication, and web-based management.

Networking and security for Kubernetes. Network policy, eBPF dataplane, BGP peering. Most popular Kubernetes CNI plugin.

Simple overlay network for Kubernetes. VXLAN, host-gw, and other backends. Easy to set up, minimal configuration.

eBPF-based networking, observability, and security for Kubernetes. Network policies, load balancing, and service mesh. CNCF graduated.

Bare metal load balancer for Kubernetes. Assigns real IPs to services. Supports L2 and BGP modes.

SQL-powered operating system instrumentation. Query your infrastructure like a database. Used by Facebook, Google, and major enterprises.