Awesome Oss Alternatives

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

A glossy Matrix collaboration client for the web.

Open Source Qualtrics Alternative

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

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.

The infrastructure platform for the intelligence era

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

Netmaker makes networks with WireGuard. Netmaker automates fast, secure, and distributed virtual networks.

Connect APIs, remarkably fast. Free for developers.

Cloud-native OSS search engine for observability

Alokai is a Frontend as a Service solution that simplifies composable commerce. It connects all the technologies needed to build and deploy fast & scalable ecommerce frontends. It guides merchants to deliver exceptional customer experiences quickly and easily.

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

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

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

The Open Source Firebase Alternative with GraphQL.

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

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

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

:cloud: ownCloud web server core (Files, DAV, etc.)

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

Fancy stream processing made operationally mundane

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

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

Open Source Feature Flags, Experimentation, and Product Analytics

Free and open log management

🚀 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.

Production infrastructure for machine learning at scale

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 🦚

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

Visual builder for React. Build apps, websites, and content. Integrate with your codebase.

Business intelligence as code: build fast, interactive data visualizations in SQL and markdown

Low-code backend platform. Manage database on spreadsheet-like UI and build cloud functions workflows in JS/TS, all in your browser.

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.

Athens is no longer maintainted. Athens was an open-source, collaborative knowledge graph, backed by YC W21

Open-source live customer chat

Passbolt Community Edition (CE) API. The JSON API for the open source password manager for teams!

Agentic BI. Analytics at the speed of code ⚡️

Easy web analytics. No tracking of personal data.

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

npm for design engineers: largest marketplace of shadcn/ui-based React Tailwind components, blocks and hooks

Open Source Cloud Native Application Protection Platform (CNAPP)

The task manager you actually own.

Jitsu is an open-source Segment alternative. Fully-scriptable data ingestion engine for modern data teams. Set-up a real-time data pipeline in minutes, not days

Search UI components for React and Vue

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

The form framework for coding agents