Awesome Oss Alternatives

An open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.

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

Apache Superset is a Data Visualization and Data Exploration Platform

Financial data platform for analysts, quants and AI agents.

🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.

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

Developer-first error tracking and performance monitoring

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Free and Open Source Enterprise Resource Planning (ERP)

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

A docker-powered PaaS that helps you build and manage the lifecycle of applications

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

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

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

AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents

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

☁️ Build multimodal AI applications with cloud-native stack

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.

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.

The Cloud-Native API Gateway and AI Gateway

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.

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

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

Cloud-native OSS search engine for observability

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.

Enterprise-ready zero-trust access platform built on WireGuard®.

Fancy stream processing made operationally mundane

Production infrastructure for machine learning at scale

Open Source Feature Flags, Experimentation, and Product Analytics

Open Source Vulnerability Management Platform

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

Open Source Cloud Native Application Protection Platform (CNAPP)

An MLOps framework to package, deploy, monitor and manage thousands of production machine learning models

Privacy and Security focused Segment-alternative, in Golang and React

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

Open source APM: OpenTelemetry traces, metrics, and logs

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

Build data pipelines, the easy way 🛠️

The fastest ⚡️ way to build data pipelines. Develop iteratively, deploy anywhere. ☁️

Deprecated: See README

Towhee is a framework that is dedicated to making neural data processing pipelines simple and fast.

LFX Community Data Platform (CDP)

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

E-Commerce Platform

Open source security data lake for threat hunting, detection & response, and cybersecurity analytics at petabyte scale on AWS

LunaSec - Dependency Security Scanner that automatically notifies you about vulnerabilities like Log4Shell or node-ipc in your Pull Requests and Builds. Protect yourself in 30 seconds with the LunaTrace GitHub App: https://github.com/marketplace/lunatrace-by-lunasec/

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