Awesome Oss Alternatives

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

The modern link attribution platform. Loved by world-class marketing teams like Framer, Perplexity, Superhuman, Twilio, Buffer and more.

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.

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

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐️ – Pull Requests welcome!

📊 Cube Core is open-source semantic layer for AI, BI and embedded analytics

Bitwarden infrastructure/backend (API, database, Docker, etc).

A Git-based CMS for Static Site Generators

Radix Primitives is an open-source UI component library for building high-quality, accessible design systems and web apps. Maintained by @workos.

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

ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.

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.

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

QuestDB is a high performance, open-source, time-series database

The Cloud-Native API Gateway and AI Gateway

Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows that drive consistency, enable high-quality code practices, simplify onboarding, and accelerate standardized delivery across teams.

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

OpenProject is the leading open source project management software for product, project and portfolio management. A powerful Jira alternative with agile planning, issue tracking, roadmaps, Gantt charts, time tracking, collaboration features, and more. Available on premises or in the cloud. ⭐Star us on GitHub

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

ZITADEL - Identity infrastructure, simplified for you.

:file_folder: Universal File Storage Client

A fully open source & end-to-end encrypted note taking alternative to Evernote.

The Open Source DocuSign Alternative.

Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.

The developer platform for on-demand cloud development environments to create software faster and more securely.

Open-source feature management platform

TinaCMS is the leading open-source headless CMS that supports Markdown and Visual Editing. Your content is stored in your own GitHub repo 🦙 ❤️

A glossy Matrix collaboration client for the web.

Open Source Qualtrics Alternative

Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.

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

The infrastructure platform for the intelligence era

Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

Connect APIs, remarkably fast. Free for developers.

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

The Open Source Firebase Alternative with GraphQL.

Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.

🫖 Status page with uptime monitoring & API monitoring as code 🫖

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

Visual Development for React, Vue, Svelte, Qwik, and more

Headless open-source eCommerce platform on top of PHP/Symfony/API Platform

Open-source headless commerce platform built with TypeScript, NestJS, React, and GraphQL

Free and open log management

Open Source Feature Flags, Experimentation, and Product Analytics

🚀 The open-source alternative to Twilio.

Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations.

The personal knowledge management (PKM) tool that grows as you do!

Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.

Connect Your Agents And Harnesses With Any Provider 🦚