Awesome Oss Alternatives

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

The fastest path to AI-powered full stack observability, even for lean teams.

Apache Superset is a Data Visualization and Data Exploration Platform

Open Data Platform for analysts, quants and AI agents.

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

Developer-first error tracking and performance monitoring

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

Saleor Core: the high performance, composable, headless commerce API.

Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.

☁️ Build multimodal AI applications with cloud-native stack

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

An orchestration platform for the development, production, and observation of data assets.

Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.

YugabyteDB - the cloud native distributed SQL database for mission-critical applications.

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

Open Source Feature Flags, Experimentation, and Product Analytics

Production infrastructure for machine learning at scale

Open Source Vulnerability Management Platform

Flagsmith is an open source feature flagging and remote config service. Self-host or use our hosted version at https://app.flagsmith.com.

Data pipelines for cloud config and security data. Build cloud asset inventory, CSPM, FinOps, and vulnerability management solutions. Extract from AWS, Azure, GCP, and 70+ cloud and SaaS sources.

Policy and data administration, distribution, and real-time updates on top of Policy Agents (OPA, Cedar, ...)

High-performance open-source in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time graph analytics. Cypher-compatible, built in C++.

Deprecated: See README

TerminusDB is a distributed, collaborative database designed for building, sharing, versioning, and reasoning on structured data.

LFX Community Data Platform (CDP)

The open source and enterprise-ready webhooks service 🦀

E-Commerce Platform

ML powered analytics engine for outlier detection and root cause analysis.