Discover Open Source Replacements
for Proprietary Software

The ultimate open-source alternative to Notion. You are in charge of your data and customizations.

A fast, collaborative, knowledge base for your team built on React and Node.js.

Next-generation collaborative workspace that merges docs, whiteboard, and database. Replaces Notion and Miro.

A rich note note taking web app that works on top of your locally saved Markdown files

Collaborative workspace for developer teams

Powerful and easy-to-use note-taking app for networked thinking

Alternative to Trello, Notion, and Asana

High performance, self-hosted newsletter and mailing list manager with a modern dashboard.

Email newsletter tool

100% Open Source ERP. Everything you need to manage your business.

Open-source, self-hostable Slack alternative designed for privacy-conscious enterprises.

An open-source team chat app with an organized threading model.

The open-source communication hub that puts privacy and collaboration first.

Enterprise communication platform

The Open Source Airtable alternative. Turns any MySQL, PostgreSQL, SQL Server, SQLite & MariaDB into a smart spreadsheet.

Open source no-code database tool and Airtable alternative.

Extendable Airtable-like spreadsheet UI for databases

Business database for non-programmers

The open-source Calendly alternative. You are in control of your events and data.

Free and open node-based workflow automation tool.

Customer Data Platform with Consumer Journey automation engine

No-code business automation tool

Workflow automation and API integration platform

Workflows as code platform

The open-source Shopify alternative. An API-first commerce engine.

The most customizable eCommerce platform for building your online business.

Headless e-commerce platform

Headless e-commerce platform

Headless e-commerce platform

Headless e-commerce platform

Headless e-commerce platform

Simple and privacy-friendly Google Analytics alternative. No cookie banners required.

A simple, fast, privacy-focused alternative to Google Analytics.

Product analytics infrastructure

Open source analytics infrastructure

Google Analytics alternative

Google Analytics alternative

Google Analytics alternative

An open-source, self-hostable Heroku / Netlify / Vercel alternative.

The open-source software development tool to manage issues, sprints, and product roadmaps with peace of mind.

The Open Source DocuSign Alternative. We want to earn your trust by letting you self-host.

Digital Signing Infrastructure

Digital document signer

Open-source Qualtrics & Typeform alternative. Build in-product micro-surveys for free.

Free open source alternative to TypeForm, TellForm, or Google Forms.

A software to help build attractive forms

A Form and Data Management Platform for Progressive Web Applications

Lightning-fast, open-source search engine that fits effortlessly into your apps, websites, and workflow.

Fast, typo-tolerant, open-source search engine optimized for instant sub-50ms searches.

Search UI components for React and Vue

Neural search framework for 𝙖𝙣𝙮 kind of data (including images)

Vector similarity search engine with extended filtering support

Real-time vector search engine

The open source Firebase alternative. Build in a weekend. Scale to millions.

Secure Open-Source Backend Server for Web, Mobile & Flutter Developers.

Open source Go backend in a single file. Realtime database, auth, file storage, and admin UI.

Backend server with REST APIs to manage core backend needs

Backend server with REST and GraphQL APIs to manage core backend needs

Lightweight Backend-as-a-Service with essential features

Backend Development Engine for cloud-based apps, APIs, and distributed systems

Backend server with REST APIs to manage core backend needs

Backend server with GraphQL

Open source API development ecosystem. A fast, beautiful Postman alternative.

Fast and git-friendly opensource API client, aimed at revolutionizing the status quo represented by Postman.

DX first open-source API devtool

API management platform

API Testing and Monitoring

More secure, more flexible, and completely free video conferencing.

Open-source WebRTC stack for real-time audio and video. Replaces Zoom APIs and Agora.

Video conferences platform and SDK

Unified engine for large-scale data analytics.

An open-source error tracking tool. Compatible with Sentry SDKs.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito.

Open Source Identity and Access Management.

Enterprise Readiness made simple

Granular access control

User authentication and session management framework

Passkey-first authentication framework

Authorization administration framework (Open Policy)

Identity platform

Authorization building framework

Authorization and access control as a service

User authentication and session management framework

A complete DevOps platform, available as self-hosted open-source software.

A painless self-hosted Git service written in Go. Extremely lightweight and fast.

A self-hosted lightweight software development service. Fork of Gitea.

The first open-source, collaborative design tool for design and code teams. Uses SVG natively.

Code-based tool for designing and prototyping

Open-source project management software with agile, classic, and hybrid workflows.

A beautiful open-source project management tool for multi-functional teams using Scrum and Kanban.

Flexible open-source web-based project management tool written in Ruby.

Open-source customer engagement platform. An alternative to Intercom, Zendesk, and Salesforce Service Cloud.

Open-source live customer chat widget and dashboard. Replaces Intercom.

Live chat widget

A safe home for all your data. Community-driven self-hosted productivity suite.

A file manager that let you manage your data anywhere it is located

A personal cloud which runs on your own server

Cross-platform file manager, powered by a virtual distributed filesystem (VDFS) written in Rust

The open-source password manager trusted by millions. Safe, secure, and easy to self-host.

Password manager for teams and individuals

Password manager for teams and individuals

An elegant open-source Kanban board built with React and Redux. Extremely clean and fast.

The to-do app to organize your next project.

An open standard for secure, decentralized, real-time communication.

A user-friendly, privacy-focused open-source chat platform designed as a drop-in replacement for Discord.

An open-source note-taking and to-do application with synchronization capabilities.

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

Personal knowledge base

Open-source metering and usage-based billing library. The Stripe Billing and Chargebee alternative.

Open-source subscription billing and payment platform. Highly modular and enterprise-ready.

The world's largest open-source marketing automation project. Own your marketing data.

Private-by-design, end-to-end encrypted real-time collaborative editor.

A highly customizable open-source online editor providing collaborative editing in real-time.

GNU Image Manipulation Program. The professional cross-platform image editor.

A professional free and open-source painting program designed for concept artists, illustrators, and texture artists.

Advanced web-based image editor that runs locally in your browser. Replaces Photoshop.

An alternative Bitwarden server API implementation written in Rust. Lightweight and easy to run on cheap hardware.

Highly trusted open-source password vault for teams and individuals.

The warehouse-first Customer Data Platform (CDP). An open-source, developer-friendly alternative to Segment.

Fully-scriptable data ingestion engine for modern data teams

An open-source, multi-purpose Web Builder Framework which allows building templates and sites without coding.

The most powerful screen recorder for Chrome. Annotate, record, and edit your videos for free.

Open-source application performance monitoring (APM) and observability tool. The Datadog alternative.

Observability and data visualization platform

Application monitoring and observability platform

Synthetic monitoring platform

Application monitoring with a focus on error reporting

Application monitoring and observability platform

Application monitoring and observability platform

The self-hosted productivity platform that keeps you in control of your documents and files.

A fully featured, open-source mail delivery platform for sending and receiving emails. A SendGrid and Mailgun alternative.

A web-based, open-source user support/helpdesk system. Compatible with email, chat, and social channels.

A powerful open-source non-linear video editor based on the MLT Framework and KDE.

Professional vector graphics editor. Draw freely and save files in native SVG.

The professional publishing platform for newsletters, blogs, and subscription sites.

A clean, minimalist publishing platform for writers. Connects to the fediverse (ActivityPub).

A collaborative project to create a free editable map of the world.

The simplest way to create forms. Write like a document, and get beautiful forms for free.

User-friendly self-hosted WebUI for LLMs. Supports Ollama, OpenAI-compatible APIs.

Every AI model in one place. Integrates OpenAI, Anthropic, Gemini, local models, and more.

The most popular browser interface for Stable Diffusion. Run image models locally.

The open-source AI code assistant. Easily connect any LLM inside VS Code and JetBrains.

The open-source product OS. Product analytics, session replays, feature flags, A/B testing.

Style and grammar checker for more than 30 languages. Open-source and privacy-friendly.

Open-source user support and helpdesk system with web chat, email, and social integrations.

Modern self-hosted helpdesk and ticketing platform. Replaces Zendesk.

Ticket Management & Helpdesk system

Ticket Management & Helpdesk system

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

Easy to use app/database deployment & web server manager. Extremely lightweight.

Self-hosted PaaS for Kubernetes

Kubernetes powered PaaS that runs in your own cloud

Universal Infrastructure as Code

Kubernetes powered PaaS that runs in your own cloud

Serverless cloud deployment platform

Simplify container delivery without vendor lock

Complete SMTP server and mail delivery system. Alternative to Mailgun and SendGrid.

Open-source CRM to track leads, close opportunities, and get accurate forecasts.

Open-source web-based vector design and prototyping platform. Replaces Canva and Figma.

The open-source publishing software that powers over 43% of the web.

The self-hosted alternative to Microsoft 365 and OneDrive. Sync your files, contacts, and emails.

Virtual whiteboard for sketching hand-drawn like diagrams. Collaborative and highly intuitive.

A tiny, fast, and feature-rich digital whiteboard and drawing canvas for the web.

Build internal tools, admin panels, dashboards, and workflows fast. Drag and drop UI components.

Open-source low-code framework to build and deploy internal tools with minimal engineering effort.

Low-code platform for internal tools

Low-code platform for developers to build internal tools in minutes.

YAML-based low-code platform for internal tools

Company-wide apps and automations from minimal python or typescript scripts

The easiest, fastest way to share data and analytics inside your company.

A modern, enterprise-ready business intelligence web application. Highly scalable.

Modern BI platform powered by Apache Superset

An open-source Identity Provider focused on flexibility and versatility.

The open-source link management infrastructure for modern marketing teams.

A self-hosted, open-source URL shortener with a REST API and a CLI.

Open-source Bitly Alternative with built-in analytics

Developer-friendly open-source localization platform with in-context editing.

Web-based continuous localization system tightly integrated with git and version control.

Developer-first localization infrastructure built on git

Open-source on-call scheduling, automated escalations, and notifications. Built by Target.

Self-hosted social media management software. Schedule posts, view calendars, and track analytics.

Self-hosted social media scheduling tool

Lean project management system for innovators and startups. Replaces Monday and ClickUp.

Elegant open-source Kanban board built with React and Redux.

A unique self-hosted Linktree alternative. Customize your links, buttons, and design.

A lightweight HTML template that helps you build a clean, responsive link-in-bio website.

Simple, fast, and resilient open-source WebSocket server. Compatible with Pusher SDKs.

Webhooks as a Service

A self-hostable aggregator that is lightweight, easy to use, and powerful.

Minimalist and opinionated feed reader. Written in Go, it is fast and clean.

Modern, self-hosted music server and streamer. Compatible with Subsonic clients.

The volunteer-built media solution that puts you in control of your media.

Open-source game launcher for Epic Games, GOG, and Amazon Games. Available on Linux, Windows, macOS.

Independent technology for modern publishing. Powers blogs, memberships, and newsletters.

The world's most customizable and trusted online learning management system.

The open-source learning management platform that simplifies teaching and learning.

An open source search engine for open-licensed media. Access over 700 million creative works.

Docker container for easily managing Nginx proxy hosts with a clean web user interface.

Flexible, scalable, and open-source search and analytics suite. Forked from Elasticsearch.

A self-hosted AI coding assistant. An open-source alternative to GitHub Copilot and Tabnine.

An open-source recurrent donation platform. No platform fees, 100% community funded.

A free, decentralized, and federated video platform powered by ActivityPub and WebTorrent.

Cloud-native observability platform built for logs, metrics, traces, and profiling. Written in Rust.

Open-source observability platform that helps developers resolve production issues faster. Replaces Datadog/New Relic.

The open-source visualization and analytics software. Create dashboards for your databases.

Open-source session replay suite for developers. Self-host for absolute privacy.

Open-source collaborative workspace. Replaces Slack, Nextcloud, and Basecamp in one tool.

A privacy-focused, community-led fork of the Audacity audio editor.

The developer-first scheduling infrastructure. Open-source and highly extensible.

The leading open-source online survey application. Highly advanced logic branching.

Modern open-source URL shortener with statistics and custom domain support.

The self-hosted error catcher that is Airbrake API compatible. Written in Ruby.

Open-source continuous delivery server specializing in pipeline visualization and modeling.

Enterprise-grade open-source log management. Fast, reliable, and scalable.

Open source cloud-native security lake platform (SIEM alternative) for threat hunting, detection & response, and cybersecurity analytics at petabyte scale on AWS

Self-hosted email newsletter engine. Replaces Klaviyo and Mailchimp.

Self-hosted, open-source live video streaming server. A Crowdcast and Twitch alternative.

Open-source relational database tool. Replaces Airtable and SmartSuite.

Enterprise-grade self-hosted collaboration platform. Replaces Box and Microsoft 365.

The open-source vector design and interactive prototyping workspace.

Open-source desktop publishing. Professional layout, typesetting, and print preparation.

A multiplatform open-source parametric 3D modeler.

A fully-featured 2D CAD application. Free and open source.

A community-run fork of Drone CI. Lightweight and container-first.

Cloud Native API Gateway under the Apache Software Foundation

e2e Testing and Data Mocking

Drag and drop page builder and CMS

CMS for teams

Git-based CMS for static site generators

Data platform which wraps any database with an intuitive app

The headless page builder for singe-page frameworks

Node.js Headless CMS to build customisable APIs

Modern Symfony based CMS

Visual editor for React websites

Enterprise serverless CMS

Elastic and Workload-Aware Modern Cloud Data Warehouse

Automated provisioning of cloud development environments with multiple git providers & IDEs

S3 compatible object storage

Decentralized cloud storage

Apache v2, powerful runtime vulnerability and compliance scanner for kubernetes, virtual machines, cloud and serverless.

APIs for SMS, voice and video

Platform and SDKs to build on-premises WebRTC video conferences

Components and APIs for email, sms, direct and push

Suite of community and data tools built to unlock community-led growth for your organization

Assess, audit, and evaluate the configurations of your cloud assets.

Collaborative IPS able to analyze visitor behavior and to provide an adapted response to all kinds of attacks.

Open Source Vulnerability Management and Orchestration Platform

VPN Server & Firewall for teams

WireGuard virtual networking platform (VPN)

Zero Configuration Mesh VPN for Business

No-code P2P layer-2 mesh VPN for enterprise with zero config

Dependency Vulnerability Scanner and SBOM Inventory

Easy to use open source fast database for search

Cloud native full text search

Cloud-native log management & analytics

Vulnerability scanner based on simple YAML based DSL

The NPM for Design Engineers

Frontend for e-commerce platform

Data integration platform

Data streaming processor with yaml-driven pipeline configuration

Orchestration platform for data assets

orchestration and scheduling platform

No-code data pipelines builder

Data orchestration platform for a modern data stack

An open-source policy-as-code software that provides analytics for multi-cloud and SaaS.

Business management suite (ERP and CRM)

Vector database for AI applications

Deployment & monitoring for machine learning at scale

NLP platform to build enterprise-grade semantic search

Feature Flag & Remote Config Service

Feature flags and A/B testing

Feature flags platform

Investment research for everyone

A platform for community discussion

A platform for community discussion

Graph database and document store

In-memory graph database

Graph database platform

Knowledge graph and document store

Production infrastructure for machine learning

YAML-based pipeline builder for ML models

AutoML style personalized ranking

In-database machine learning platform

General instant messaging

Headless business intelligence suite

Lightweight BI using SQL and markdown

Low-code metrics layer, alternative to Looker

Low-code metrics layer, alternative to Looker

Headless business intelligence suite

Knowledge graph for research and notetaking

Knowledge base plugin for VS Code

Knowledge base manager

ML powered analytics engine for outlier/anomaly detection and root cause analysis

Data synchronization framework focused on external apps

NewSQL database that supports HTAP workloads

High-performance distributed SQL database

Open source virtual / remote desktop infrastructure for everyone

Data synchronization framework

Set of tooling that allows to create automation packages

Live streaming platform

Distributed SQL database for real-time analytics of time series data

Database designed to process time series data

Database designed to process time series data

Database designed to process time series data

Database designed to process time series data

Get a Public URL for your local development enviornment

A self-hosted, lightweight open-source alternative to Logipath designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Scalespot designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Scalespot designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Techrun designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Techrun designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Ecoapp designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Ecoapp designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Linkhub designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Truenode designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Flowspace designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Flowspace designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Netflow designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Stellartool designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Stellartool designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Hexaly designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Bioly designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Pulseapp designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Biolink designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Peakhub designed for high privacy and ease of setup.

A self-hosted, lightweight open-source alternative to Peakhub designed for high privacy and ease of setup.