Temporal Cloud Alternatives (September 2025)

Scale your distributed applications, modernize your workflows for durability, and protect against software failures and downtimes with Orkes Conductor.

The only open source, AI-ready graph database that gives developers the tools to quickly build distributed applications at scale.

Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.

HarperDB's global application platform simplifies development with one package that includes a lightning-fast database, embedded API server, and real-time global data replication. Deploy from cloud to edge to on-prem.

Apache Kafka: A Distributed Streaming Platform.

Appwrite is an open-source platform for building applications at any scale, using your preferred programming languages and tools.

Prefect offers modern workflow orchestration tools for building, observing & reacting to data pipelines efficiently.

Redpanda is a powerful, simple, and cost-efficient streaming data platform that is compatible with Kafka® APIs while eliminating Kafka complexity.

Engineered to handle demanding workloads, like time series, vector, events, and analytics data. Built on PostgreSQL, with expert support at no extra charge.

Platform created by the community to programmatically author, schedule and monitor workflows.

Toshiba GridDBâ„¢ is a highly scalable, in-memory NoSQL time series database optimized for IoT and Big Data.

ScyllaDB is the distributed database for data-intensive apps that require high performance and low latency.

Webiny is an open source serverless CMS that offers you all the enterprise-grade functionalities, while keeping your data within the security perimeter of your own infrastructure

An open source Kubernetes Platform to manage enterprise-grade Kubernetes across hybrid cloud, multi-cloud and edge. Get started for free!

Designed for applications, analytics and AI, SingleStore is the world's only real-time data platform to read, write and reason on petabyte-scale data in a few milliseconds.

Nomad is a highly available, distributed, data-center aware cluster and application scheduler designed to support the modern datacenter with support for long-running services, batch jobs, and much more.

Fauna combines the relational power, strong consistency, and schema capabilities of a relational database with the flexibility and scalability of documents, all delivered as a Cloud API with zero engineering operations.

Flyte is the infinitely scalable and flexible workflow orchestration platform that seamlessly unifies data, ML and analytics stacks.

Harness is a modern software delivery platform that allows engineers and DevOps to build, test, deploy, and verify software, on-demand.

Budibase is an open source low-code platform and the easiest way to build, automate, and ship internal tools. Check it out.

Pantheon.io is the website platform built for WordPress and Drupal. We deliver your business needs to build, host, and manage with digital speed and agility.

Build your application on Instaclustr's fully hosted and managed Apache Kafka as a service solution. Start your free trial now.

Get the world's best supported build of OpenJDK with Azul. See how Azul Platform Core can help you deliver secure & stable Java with 90% lower licensing costs.

Novu empowers developers and product teams to collaborate seamlessly on notification management. Its unified platform provides centralized content, type-safe schemas, and reusable components, facilitating efficient workflows. With code-first and no-code tools, teams can easily customize and deploy notifications across multiple channels like email, SMS, push, chat, and in-app. Novu enhances communication, reduces friction, and ensures reliable, scalable, and personalized user experiences while maintaining full visibility and control over notifications.

Confluent makes it easy to connect your apps, data systems, and entire business with secure, scalable, fully managed Kafka and real-time data streaming, processing, and analytics.

Software operations are easier with Juju - the open source orchestration engine for software operators. Deploy, integrate, scale and manage your applications' lifecycle at any scale, on any infrastructure with Juju and charms.

Vercel's Frontend Cloud gives developers the frameworks, workflows, and infrastructure to build a faster, more personalized Web.

NCache is an extremely fast and scalable Open Source In-Memory Distributed Cache for .NET and Java that caches app data and stores Web Sessions in multi-server environments.

Hundreds of scaleups use Aptible instead of building their own internal developer platform. The Aptible platform helps engineering teams to control their AWS resources, guarantee uptime, and achieve enterprise best practices for their infrastructure.

DevOps serverless application tools to run background tasks with Docker containers and manage messaging queues with cloud elasticity and no vendor lock-in

Take instant action on your streaming data by combining stream processing and an ultra-fast data store in one unified platform. Get started!

Kubernetes message broker and message queue platform. An open-source project providing the most efficient way to connect microservices.

Real-time analytics database for instant aggregations and hybrid search. No more need for complex indexing strategies, everything is indexed automatically. Execute ad-hoc queries, perform hybrid search effortlessly, and boost developer productivity with native SQL.

Progress OpenEdge application development solutions that are high performing, available and agile.

Lenses is the leading enterprise-grade Developer Experience for any Apache Kafka, revolutionizing the way engineers build event-driven apps: Intuitive Kafka UI, open-source Kafka Connectors, fine-grained access controls.

Pulumi's open source infrastructure as code SDK enables you to create, deploy, and manage infrastructure on any cloud, using your favorite languages.

Manage all types of time series data in a single, purpose-built database. Optimized for speed in any environment in the cloud, on-premises, or at the edge.

Devtron enables swift app containerization, seamless Kubernetes deployment, and peak performance optimization – simplify your app management today!

A high performance, open source universal RPC …

Build ClickHouse-based analytics applications that detect, analyze, and leverage real-time insights for any use case in any environment.

Buildkite is a platform for running fast, secure, and scalable continuous integration pipelines on your own infrastructure.

Apex is an enterprise grade native YARN big data-in-motion platform that unifies stream processing as well as batch processing.

Aiven simplifies cloud data infrastructure management by deploying open-source technologies across multiple clouds, enabling fast and confident creation of next-generation applications.

Get the best continuous integration and delivery (CI/CD) for any platform, in our cloud or on your own infrastructure, for free.

Aiven simplifies cloud data infrastructure management by deploying open-source technologies across multiple clouds, enabling fast and confident creation of next-generation applications.

Built with TypeScript and React, Payload is a headless CMS and application framework. Power anything.

LINBIT brings technology and support for high availability, disaster recovery and kubernetes persistent storage solutions for the Enterprise

Browse our developer-first, open source application delivery & hosting platform. Discover unmatched flexibility, up to 99.99% uptime, & exceptional support

Materialize's Cloud Operational Data Store offers real-time data insights for effective business operations & decision-making.

DevCycle is a Feature Flag Management platform built for modern development teams. Deploy faster, reduce risk, and build maintainable code at scale.

Get your ideas to market faster with a developer data platform built on the leading modern database. MongoDB makes working with data easy.

Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious setup, so you can focus on the code.

Aerospike provides organizations with a real-time, multi-model database that fits their needs to scale, manage cloud services, and reduce cost.

Improve developer experience with OpsLevel – the internal developer portal that brings access to tools, knowledge, and operational tasks together under one roof. Give your team a developer portal today so they can focus on building and shipping code, not operational red tape.

Svix is the enterprise ready webhook service. Build a state of the art webhook platform in minutes with our hosted webhook SaaS or our open source project. Don't reinvent the wheel, use webhooks as a service.

Run your business as code. The Ontology/AI-powered operating system for the modern enterprise.

Only Corda offers a permissioned ledger, asset modeling capabilities and a multi-party workflow engine all in one flexible platform.

Go from app idea to production with 20% higher relevance and 74x faster response on the industry-leading vector database, Astra DB. Get started for free!

Open source deep learning training platform that enables data scientists to train better models, with built-in hyperparameter tuning and distributed training

Build production-grade applications with a Postgres database, Authentication, instant APIs, Realtime, Functions, Storage and Vector embeddings. Start for free.

Hookdeck is an Event Gateway. A platform giving engineering teams infrastructure and developer tooling to build, deploy, operate, and monitor event-driven applications.

Open Source Low-Code Application Platform, Business Automation and Workflow Software for Faster, Simpler Digital Transformation

GigaSpaces modernizes enterprise architectures to drive digital transformation with unparalleled speed, performance and scale.

.NET is a free, cross-platform, open-source developer platform. .NET has languages, editors, and libraries to build for web, mobile, desktop, games, and IoT.

The Warp 10 platform is built to simplify managing and processing Time Series data. It includes a Geo Time Series database and a companion analytics engine.

Apache Object Oriented Data Technology (OODT) is the smart way to integrate and archive your processes, your data, and its metadata. It facilitates the generation, processing, management, distribution, analysis of data management, data archiving, and data analytics systems allowing for the integration of data, computation, visualization and other components.

Get to know Open LMS, the fully customizable, open-source LMS that’s built on Moodle™ and made to meet your academic and professional learning needs.

QuestDB is the world's fastest growing open-source time-series database. It offers massive ingestion throughput, millisecond queries, powerful time-series SQL extensions, and scales well with minimal and maximal hardware. Save costs with better performance and efficiency.

Transform your business with the leading real-time analytics solution, trusted at scale, from the creators of Apache Pinot.

Cloudera Operational Database is a cloud-native service that speeds up, automates, and simplifies the development and deployment of mission-critical applications.

Google App Engine lets app developers build scalable web and mobile back ends in any programming language on a fully managed serverless platform.

An open source Java EE 8-compliant application server that lets you build Java applications once and deploy them everywhere.

Flutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.

Tezos is an open-source platform for assets and applications backed by a global community of validators, researchers, and builders.

A Kubernetes-native open-source framework for building continuous integration and delivery (CI/CD) pipelines to build, test, and deploy software.

Use Amazon Managed Blockchain (AMB) to build with Scalable Blockchain Network at scale without any specialized infrastructure investment.

Netdata is a distributed real-time, health monitoring platform for systems, hardware, containers & applications, collecting metrics. Zero configuration needed.

MongoDB Atlas is the only multi-cloud developer data platform that accelerates and simplifies how you build with data. Get started for free today!

Plaid helps all companies build fintech solutions by making it easy, safe and reliable for people to connect their financial data to apps and services.

An open-source universal messaging library

VMware Tanzu is a cloud native application platform that enables vital DevSecOps outcomes in a multi-cloud world.

The Tangle platform delivers speed, scalability and security in a developer friendly manner. It does this by leveraging the best open standards in the industry, to provide powerful capabilities which have been tailored to ensure you can deliver powerful enterprise apps, fast.

Firebolt is a complete redesign of the cloud data warehouse for the era of cloud and data lakes. Data warehousing with extreme speed & elasticity at scale.

Build apps at lightning speed with a visual low-code app builder featuring UI, Codeless logic, real-time database, messaging, and more.

Fortify On Demand delivers application security as a service, providing customers with security testing, vulnerability management, and tailored expertise

ArangoDB is the leading multi-model database for high-performance applications. Try it now for flexible data modeling and efficient querying.

Kong Mesh is an enterprise-ready service mesh that provides security, reliability and observability for Kubernetes environments. Accelerate deployments today!

Chainstack is a leading blockchain infrastructure providing company. Build, run and scale blockchain applications using Chainstack nodes.

A powerful CMS, BaaS, and more. Power any project with Directus – a composable data platform to easily create and deploy data-rich apps.

NoSQL Database can be run in the cloud or on-premises for applications that require either flexible data models, workloads, demanding predictable, lighting fast access to data or easy to use APIs.

Ambassador Labs - We build best-in-class Kubernetes-native productivity tools to safely design, develop, test, deploy, & monitor apps with speed & efficiency

Easily execute distributed performance testing at scale with our robust enterprise software testing toolkit offering centralized asset sharing and execution.

Percona Server for MySQL is a free, fully compatible, open source MySQL Server alternative that offers breakthrough performance and scalability. Learn more!

The fastest way to build & scale your project with Venly’s all-in-one set of Web3 tools. Amplify your enterprise's capabilities with our platform integrations.

Our NoSQL Object Database manages data without the need for mapping code to store & retrieve objects in Java & C++ applications.

Increase recurring revenue. Opencell's platform simplifies launch, scales with your business, and streamlines billing. Optimize sales cycles, improve customer experience, and gain valuable revenue insights. Start today!

Build native integrations fast with Truto. Integration is a solved problem. Why have your best engineers work on integrations when they can focus on architecture, design, and product?

D2iQ makes it easier to build and run Kubernetes at scale, reducing time to market from months to days.

AppDrag is a serverless development platform made for enterprises. Produce 100% custom applications 10X faster, world class level performances and high availability, 24/7 professional support. Join hundreds of enterprises building the future with us in the cloud.