Awesome Oss Alternatives

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

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

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

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

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

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.

Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.

Apache Superset is a Data Visualization and Data Exploration Platform

Open Data Platform for analysts, quants and AI agents.

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

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 280+ one-click services on your own servers.

MinIO is a high-performance, S3 compatible object store, open sourced under GNU AGPLv3 license.

Penpot: The open-source design platform for Product teams that need scalable collaboration.

Open Source realtime backend in 1 file

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

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

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.

The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data :bar_chart:

Scheduling infrastructure for absolutely everyone.

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

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

The Secure CommsOS™ for mission-critical operations

Developer-first error tracking and performance monitoring

A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV

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.

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.

The open-source communication infrastructure for agents and products

Free and Open Source Enterprise Resource Planning (ERP)

: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.

Delegate anything. It comes back done.

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

Umami is a privacy-first analytics platform. Traffic, campaigns, behavior, conversions, and revenue in one place — no cookies, no surveillance, self-hosted or in the cloud.

Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.

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.

Build your personal knowledge base with Trilium Notes

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

📨 The ultimate agentic social media scheduling tool 🤖

Open Source Identity and Access Management For Modern Applications and Services

☁️ Nextcloud server, a safe home for all your data

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

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

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

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.

Scalable datastore for metrics, events, and real-time analytics