Open Source Alternatives to Apache Cassandra

ScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.

Open source · Self-hostable

An open-source, document-oriented NoSQL database implemented in Erlang, designed for reliability and seamless multi-primary synchronization.

Open source · Self-hostable

Platform for developers building stateful reactive applications on the modern cloud with object store native databases.

Open source · Self-hostable

A unified data analytics and AI platform built on the lakehouse architecture.

Open source · Self-hostable

pgEdge offers distributed PostgreSQL that is optimised for the network edge in order to reduce data latency.

Open source · Self-hostable

A universal database management tool for developers and database administrators, supporting a wide range of databases.

Open source · Self-hostable

Provides enterprise-grade database solutions based on the open-source MariaDB, offering advanced features, security, and scalability.

Open source · Self-hostable

Open-source Network Attached Storage (NAS) operating system based on FreeBSD, managing ZFS, SMB, NFS, users, snapshots, and boot environments.

Open source · Self-hostable

Distributed SQL database for cloud-native applications, offering high availability and horizontal scalability.

Open source · Self-hostable

A powerful, open-source object-relational database system known for reliability and extensibility.

Open source · Self-hostable

Cloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.

Open source

A cloud database company providing a unified platform for transactional, analytical, and AI workloads.

Open source · Self-hostable

Source-available, multi-threaded Redis replacement for modern cloud workloads.

Open source · Self-hostable

Open-source backend-as-a-service platform for building scalable applications.

Open source · Self-hostable

Creator of InfluxDB, an open-source time series database for managing and analyzing high-volume, high-speed data.

Open source · Self-hostable

Open-source data lake management platform for engineers and data scientists.

Open source · Self-hostable

Product analytics and customer engagement platform built on an open-source, self-hosted foundation.

Open source · Self-hostable

AI-powered database for visual data, enabling intelligent search and analysis of images and videos.

Open source · Self-hostable

A real-time search analytics database unifying search and analytics in a single platform.

Open source · Self-hostable

An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.

Open source · Self-hostable

NooBaa provides an open-source, S3-compatible object storage platform for managing data across private and public clouds.

Open source · Self-hostable

Visualize, edit, and collaborate on database schemas instantly with a powerful DB diagram editor.

Open source · Self-hostable

Managed cloud data services for developers, including databases, Kafka, and ClickHouse.

Open source · Self-hostable

Redis is an open-source, in-memory data platform used as a database, cache, and message broker, powering real-time applications at scale.

Open source · Self-hostable

Open source Firebase alternative with a PostgreSQL backend and real-time capabilities.

Open source · Self-hostable

Fully managed ClickHouse service for real-time analytics on AWS, GCP, and Azure.

Open source · Self-hostable

Logz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.

Open source · Self-hostable

Octopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.

Open source · Self-hostable

An open-source, column-oriented OLAP database management system for real-time analytics.

Open source · Self-hostable

Sponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.

Open source

Open-source Postgres platform for agent scale with copy-on-write branching.

Open source · Self-hostable

An open-source AI-powered SQL agent for natural language database interaction and data insights.

Open source · Self-hostable

An open-source feature store for managing and serving data for AI/ML models in production.

Open source · Self-hostable

Open-source data integration platform for security and infrastructure teams.

Open source · Self-hostable

No-code, open-source cloud automation platform for FinOps and custom solutions.

Open source · Self-hostable

An open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.

Open source · Self-hostable

A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.

Open source · Self-hostable

Ground AI in enterprise data with zero ETL. Spice is an open-source SQL query & hybrid search engine built for data-intensive apps & AI agents.

Open source · Self-hostable

A suite of open-source and professional tools for API design, development, documentation, and testing.

Open source · Self-hostable

A service written as a plain Go function, supervised by lesiw.io/proc for reliability and distribution.

Open source

Camunda provides an open-source process automation platform for orchestrating human and system workflows.

Open source · Self-hostable

Open-source platform for programmatically authoring, scheduling, and monitoring data pipelines.

Open source · Self-hostable

Company

Open source · Self-hostable

Company

Open source · Self-hostable

Linuxed provides an AI-powered platform for Linux system administration, automation, and infrastructure management.

Open source · Self-hostable

Container-native virtualization for Kubernetes, enabling VMs and containers to run side-by-side.

Open source · Self-hostable

A free, cross-platform, open-source developer platform for building many types of applications.

Open source · Self-hostable

A production-ready, lightweight open-source virtualization platform for environments from homelabs to hyperscale infrastructure.

Open source

Open-source search and analytics engine for data exploration and real-time insights.

Open source · Self-hostable

Commercializes the open-source Grafana observability platform with AI features.

Open source · Self-hostable

AI acceleration cloud platform for open source and enterprise.

Open source · Self-hostable

High-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.

Open source · Self-hostable

A popular open-source Linux distribution.

Open source · Self-hostable

An open-source data integration platform for ELT, reverse-ETL, and AI agents.

Open source · Self-hostable

Self-service analytics on data lakes with data warehouse functionality and data lake flexibility.

Open source · Self-hostable

Full-stack observability platform built on open standards for unifying telemetry and accelerating troubleshooting.

Open source · Self-hostable

Open-source data science platform for enterprise teams, enabling collaboration and reproducible results.

Open source · Self-hostable

Modern infrastructure as code platform enabling developers to manage cloud resources using familiar programming languages.

Open source · Self-hostable

The world's largest software registry for JavaScript packages and the default package manager for Node.js.

Open source · Self-hostable

An open-source AI and machine learning platform for enterprises.

Open source · Self-hostable