Awesome Oss Alternatives

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

Appwrite® - complete cloud infrastructure for your web, mobile and AI apps. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime and more

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

Independent technology for modern publishing, memberships, subscriptions and newsletters.

A platform for community discussion. Free, open, simple.

The Secure CommsOS™ for mission-critical operations

Open-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Claude Code, Codex and Cursor over MCP 🚀

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

The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.

: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.

The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

☁️ Nextcloud server, a safe home for all your data

The world's most flexible commerce platform for agents and developers

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Pulumi - Infrastructure as Code in any programming language 🚀

A Git-based CMS for Static Site Generators

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.

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

The Open Source Firebase Alternative with GraphQL.

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

🚀 The open-source alternative to Twilio.

Open-source live customer chat

Developer & translator friendly web-based localization platform

🔥 LimeSurvey – A powerful, open-source survey platform. A free alternative to SurveyMonkey, Typeform, Qualtrics, and Google Forms, making it simple to create online surveys and forms with unmatched flexibility.

An open source issue management & help desk solution. A zendesk & jira alternative

A modern, open source password manager for individuals and teams.

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.

Self-Hosted API Management for Builders

A fast, low memory, transactional, index & query enabled NoSQL database engine and server for node.js and browser with realtime data change notifications