Awesome Oss Alternatives

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

The Secure CommsOS™ for mission-critical operations

Developer-first error tracking and performance monitoring

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

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.

Delegate anything. It comes back done.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

☁️ Nextcloud server, a safe home for all your data

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

Open Source eCommerce & Multi-Vendor Marketplace Platform Built with Laravel for Enterprise-Scale Commerce, Supporting 10M+ SKUs

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

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!

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.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

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

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.

Open-source feature management platform

A glossy Matrix collaboration client for the web.

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.

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

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

Free and open log management

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.

Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.

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

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

Search UI components for React and Vue

Developer & translator friendly web-based localization platform

Boost Note is a document driven project management tool that maximizes remote DevOps team velocity.

Developer-first OpenSource API DevTool, Postman/Insomnia alternative.

Streamline your web application's authentication with Polis, an SSO service supporting SAML and OpenID Connect protocols. Beyond enterprise-grade Single Sign-On, it also supports Directory Sync via the SCIM 2.0 protocol for automatic user and group provisioning/de-provisioning.

dyrector.io is a self-hosted continuous delivery & deployment platform with version management.

Open-source Back-end, self-hostable & ready to use - Real-time, storage, advanced search - Web, Apps, Mobile, IoT -

Core framework that implements the functionality of the Sulu content management system

Control how your documents get signed

🦘 The Grouparoo Monorepo - open source customer data sync framework

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

TRACARDI is a new HOME for your customer data. TRACARDI is an Composable API-first solution for any company that need inexpensive CDP to intergrate with.

⚡️ Lightweight JavaScript tracking script for Swetrix - privacy-first and open source Google Analytics alternative