Top CLOUD GitHub Repositories & Tools (2026)

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.

Golang client for NATS, the cloud native messaging system.

Pulumi - Infrastructure as Code in any programming language 🚀

The SDK to extract data and interact with any site on the web. Get started with Claude Code, Codex, Eve, Mastra, and more.

concurrent, cache-efficient, and Dockerfile-agnostic builder toolkit

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.

Storage Orchestration for Kubernetes

Admin UI for administration of spring boot applications

Collection of sample apps showcasing popular use cases using Cloud Functions for Firebase

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.

Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

:cloud: Sync your bookmarks privately across browsers and devices

🏖️ A serverless, open-source file hosting solution built on Cloudflare. Supports image hosting, secure file storage, and personal cloud drive capabilities.

Micronaut Application Framework

Open-source auth gateway connecting 1500+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI.

Run any process, on your machine or in an AI agent's environment, as if it were a pod in your Kubernetes cluster: real env vars, DNS, network, traffic.

Integration with Netflix OSS components

YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions