Open Source Software Alternatives

A simple local-first note-taking app for your plain .md files with Telegram bot access.

Open-source local-first Markdown workspace for macOS with wiki, AI editing, and encrypted sync.

🔒 End-to-end encrypted cloud for photos, videos and 2FA secrets.

Self-hosted AI transcription and intelligent note-taking platform that turns audio recordings into organized, searchable notes with speaker identification.

Open-source virtual whiteboard for creating hand-drawn style diagrams and sketches.

Open-source identity and access management with SSO, OAuth2, OIDC, and SAML support for modern applications.

Free, open-source backup software that stores encrypted, incremental backups to cloud storage and remote servers.

Open-source financial data platform for analysts, quants, and AI agents — a free alternative to Bloomberg Terminal.

Terminal-based stock market visualizer that displays real-time stock graphs directly in your terminal.

Open-source macOS launcher with Raycast-compatible extensions, voice workflows, and AI-native actions.

Turn raw screenshots into polished, shareable visuals. Free, open-source, and completely offline with Tauri.

Open-source AI IDE that plans before it codes, using spec-driven development with requirements, design, and task steps.

A self-hosted media tracker for movies, TV shows, anime, games, books, and manga.

A universal habit and tracking dashboard tailored for Raspberry Pi and Docker with a modern React frontend.

A self-hosted personal knowledge base that turns markdown notes into an AI-augmented knowledge graph with semantic search and wiki synthesis.

A modern, open-source, self-hosted knowledge management and note-taking platform designed for privacy-conscious users and organizations.

A self-hosted book tracker powered by your Calibre library — Goodreads for your own collection.

Open-source uptime and SSL monitoring service with status pages, multiple notification channels, and Prometheus integration.

Open-source kanban board built with Meteor — a free and self-hosted alternative to Trello.

Open-source project management software — an alternative to Jira, Asana, Trello, and Monday.com.

Open-source project management platform — an alternative to Jira, Linear, Monday, and ClickUp.

Open-source, self-hosted project management tool — a free alternative to Trello, Notion, and Asana.

Cross-platform desktop app that removes EXIF and hidden metadata from 90+ file formats before sharing.

A fully open-source headless CMS with Git support, Markdown editing, and live visual preview for React-based sites.

Turn your Android phone into a 4K webcam via USB or WiFi with an open-source desktop client and mobile app.

A desktop GUI application for the Hugo static site generator, designed for content editors without command-line knowledge.

A plug-and-play blogging and wiki system for Go backends with Markdown support and live preview.

Open Source Newsletter Tool and Mailchimp alternative for creating campaigns and sign-up forms.

Open source customer feedback platform to collect, organize, and prioritize feature requests from users.

Free, open-source screen recorder for creating beautiful product demos — an alternative to Screen Studio.

Open source screen recording sharing platform — a self-hostable Loom alternative.

Bitwarden infrastructure/backend (API, database, Docker, etc).

Free offline maps app for travelers, hikers, and cyclists using OpenStreetMap data. No ads, no tracking.

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

High performance self-hosted photo and video management solution with automatic backup, facial recognition, and AI-powered search.

Modern, fully featured open source video and media CMS built with Django and React for self-hosted video sharing.

A self-hosted, Instagram-style photo and video gallery that serves your local folders as a beautiful feed.

A self-hosted, lightweight web media server for streaming your personal comics, manga, ebooks, and audiobooks.

Baserow is an open source no-code database and Airtable alternative. Create your own database without technical experience. Our user friendly no-code tool gives you the powers of a developer without leaving your browser.

Deep clean and optimize your Mac with this all-in-one CLI toolkit.

Free, open-source macOS cleaner with zero telemetry. CleanMyMac alternative.

A free, source-available macOS app cleaner with privacy in mind.

Simple golang utility helping to discover large files and folders.

An open source movie and TV show tracker app for Android with IMDb integration.

Open-source uptime monitoring and status page platform with synthetic checks from 28 global regions and multi-channel alerting.

Self-hosted live video streaming server with built-in chat and Fediverse integration.

Federated, decentralized video hosting platform built on ActivityPub.

Pioneer open-source file sync and sharing platform that spawned the self-hosted cloud movement.

High-performance open-source file sync and share platform for teams.

The most popular self-hosted cloud platform for file storage, collaboration, and communication.

Open-source form builder for creating beautiful, mobile-friendly forms and surveys.

Powerful open-source online survey platform used by millions worldwide.

Open-source survey and experience management platform for product and customer research.

Beautiful self-hosted photo management tool with a stunning web interface.

Open-source photo gallery and management software for individuals and teams.

AI-powered self-hosted photo app for browsing, organizing, and sharing your photo collection.

End-to-end encrypted group video calling built on the Matrix open protocol.

High-perfomance, self-hosted and privacy-focused web analytics service.

Open-source virtual classroom platform built for online education and webinars.

Open-source video conferencing platform — free, secure, and self-hostable.

Open-source spreadsheet-database hybrid with flexible relational data modeling.

Open-source real-time collaborative text editor you can self-host.

End-to-end encrypted collaborative office suite with zero-knowledge privacy.

Open-source LibreOffice-powered collaborative office suite for self-hosted environments.

Self-hosted office suite with real-time collaboration.

A headless browser built from scratch in Zig, optimised for AI agents and automation with 9x less memory and 11x faster execution than Chrome.

Take Back Control of Your Productivity

Open Source Fitness Tracking App

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

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern Rest API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions

OpenCode is an open source agent that helps you write code in your terminal, IDE, or desktop.

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, Mistral Small 3.1 and other large language models.

🤯 Lobe Chat - an open-source, modern design AI chat framework. Supports multiple AI providers (OpenAI / Claude 4 / Gemini / DeepSeek / Ollama / Qwen), Knowledge Base (file upload / RAG ), one click install MCP Marketplace and Artifacts / Thinking. One-click FREE deployment of your private AI Agent application.

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

An open source, self-hosted implementation of the Tailscale control server

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

A PDF viewer that seamlessly integrates with any JavaScript project

draw.io is a JavaScript, client-side editor for general diagramming.

EverShop is a modern, TypeScript-first eCommerce platform built with GraphQL and React. Designed for developers, it offers essential commerce features in a modular, fully customizable architecture—perfect for building tailored shopping experiences with confidence and speed.

A self-hosted tunneling tool — like ngrok, but on your own domain. Expose local dev servers through subdomains on your VPS.

A simple app for tracking monthly spending and working towards financial goals.

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Open source read-it-later app with full-text search, highlighting, notes, newsletter support, and integrations with Logseq and Obsidian.

Self-hostable bookmark-everything app with AI-based automatic tagging, full-text search, and support for links, notes, and images.

Minimal, fast, self-hosted bookmark manager with tagging, full-text search, and a clean web UI designed for easy Docker deployment.

Privacy-focused, command-line bookmark manager that stores links in a local encrypted SQLite database with full-text search.

Self-hosted archive and bookmark manager built with Laravel, featuring automatic archiving, monitoring for dead links, and list organization.

Open-source authentication solution, an alternative to Auth0 and Firebase Auth that you can self-host.

Fast, typo-tolerant open-source search engine and a simpler, cheaper alternative to Algolia.

Open-source observability platform with logs, traces, and metrics — an alternative to Datadog and New Relic.

Open-source collaborative wiki and documentation platform, an alternative to Confluence and Notion.

Privacy-friendly, open-source web analytics platform that is a simpler alternative to Google Analytics.

Open-source authentication platform for Next.js and React, built as an alternative to Auth0 and Clerk.

A truly independent web browser built from scratch, with no Chromium, WebKit, or Gecko code.

Powerful Linux and Windows screencast creator with multi-source audio, webcam, magnifier, and countdown.

Windows screen recorder that captures screen, audio, cursor, mouse clicks, and keystrokes.

Open source screen recorder and editor with auto-zoom, webcam overlays, and cursor animations.

Open source Loom alternative for beautiful, shareable screen recordings.

Free and open source software for live streaming and screen recording.

Databuddy is a privacy-first analytics platform with a focus on user experience, with it's foundation built on privacy, it ensures complete compliance with most major data privacy laws out of the box

A self hosted dashboard and organizer for Excalidraw with live collaboration.

The open-source alternative to Google Drive.

The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬

🚀 HTTPie Desktop — cross-platform API testing client for humans. Painlessly test REST, GraphQL, and HTTP APIs.

Flowise is an open-source, visual, low-code/no-code tool designed to help users build AI agents and sophisticated LLM-powered workflows through a drag-and-drop interface. It features a Node.js backend and a React frontend, along with modular components for integrations and API documentation—making it accessible to both developers and non-technical users.

Lunalytics is an open-source, self-hosted monitoring tool built with Node.js and React that supports HTTP(S), TCP, ping, Docker, and more. It offers customizable dashboards, status pages, incident management, multi-user access control, and integrations with popular notification services, making it a modern, developer-friendly solution for monitoring uptime and system health.

Linkwarden is a self-hosted, open-source collaborative bookmark manager that lets you save, organize, and preserve web pages with features like archiving (screenshots, PDFs, reader view), tagging, collections, and annotations. It serves as an alternative to tools like Raindrop.io (cloud bookmarking), Wallabag (read-it-later), ArchiveBox (web archiving), and other self-hosted bookmark managers such as linkding, LinkAce, and Shiori, offering a balance between rich UI, collaboration, and long-term link preservation.

Pangolin is an open-source, self-hosted identity-aware tunneled reverse proxy server featuring a sleek dashboard UI, designed to securely expose private resources across distributed networks without the need for opening inbound ports or dealing with complex firewall rules. It builds encrypted tunnels—often leveraging a user-space WireGuard client called Newt—to connect isolated services, supports HTTP/HTTPS as well as raw TCP/UDP traffic, automates SSL via Let’s Encrypt, enables load balancing, and integrates identity and access management with SSO, role-based access control, 2FA, temporary share links, OAuth2/OIDC integration, and more.

Translate web pages, highlighted text, Netflix subtitles, private messages, speak the translated text, and save important translations to your personal dictionary to learn words even offline

Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨

Database diagrams editor that allows you to visualize and design your DB with a single query.

A robust, self-hosted time tracking application designed for teams and freelancers who need reliable time management without cloud dependencies. Built with Flask and optimized for Raspberry Pi deployment, TimeTracker provides persistent timers, comprehensive reporting, and a modern web interface.

🦎 a tool to build and deploy software on many servers 🦎

Wiki.js | A modern and powerful wiki app built on Node.js

The world's most flexible commerce platform.

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

Open-source cron job and background task monitoring service, written in Python & Django

Self-hosted uptime monitoring tool with a polished UI, 90+ notification integrations, and built-in public status pages.

Built for Families. Powered by AI. Track food, fitness, water, and health — together.

Self-hostable social media scheduler for content creators and small teams with distributed job processing.

A lightweight, open-source game library manager that allows you to organize, access, and share your video games through a web interface.

OpenVPN is an open source VPN daemon

Personal CRM. Remember everything about your friends, family and business relationships.

Olares: An Open-Source Personal Cloud to Reclaim Your Data

Modern and easy to use SQL client for MySQL, Postgres, SQLite, SQL Server, and more. Linux, MacOS, and Windows.

📨 The ultimate social media scheduling tool, with a bunch of AI 🤖

Simple, yet powerful Web- & Product Analytics.

Self Hosted Alternative To Google Analytics

Easy web analytics. No tracking of personal data.

Simple, open source, lightweight and privacy-friendly web analytics alternative to Google Analytics.

Umami is a modern, privacy-focused alternative to Google Analytics.

🦔 PostHog provides open-source web & product analytics, session recording, feature flagging and A/B testing that you can self-host. Get started - free.

A full-stack TypeScript CMS built on Astro and Cloudflare, reimagining WordPress with serverless, type-safe foundations.

The communications platform that puts data protection first.

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

Simple, open source team messaging platform

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

The open-source CapCut alternative

Self-hostable private blogging

Open Source Alternative to Vercel, Netlify and Heroku.

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

Free universal database tool and SQL client

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.

📮 Self hosted bookmarking app

✨ Open Source, Privacy-First and Simple Analytics for Mobile, Desktop and Web Apps

The open source Zapier alternative. Build workflow automation without spending time and money.

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

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

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

A powerful free and open source office suite with word processing, spreadsheets, presentations, and more.

Self-hosted web analytics platform for tracking website traffic without compromising user privacy.

Self-hosted Kanban and scrum project management tool with real-time collaboration, sprints, and anonymous shareable boards.

Self-hosted workout and fitness manager with nutrition tracking and mobile apps.

Lightweight, portable PDF editor for Windows with no subscription or telemetry.

A self-hosted knowledge base for note-taking with markdown support, Zettelkasten methodology, and Docker deployment.

Free browser-based invoice generator with live PDF preview, no sign-up required, and support for 120+ currencies.

A simple self-hosted journal and blog API written in Go, using SQLite for storage.

Self-hosted file sharing and management platform with file transfers, pastes, collections, and a REST API.

Self-hosted, real-time collaborative travel planner with itineraries, maps, budgets, and packing lists.

Self-hosted private journaling app with end-to-end encryption and a clean interface.

A free, open source daily journal built with simplicity and privacy in mind.

AI-native design editor with real-time collaboration, component system, and Figma-compatible file format.

Open-source design and prototyping tool for cross-domain teams — a self-hostable alternative to Figma.

Fast, privacy-focused local-first personal finance app using zero-sum budgeting, with optional self-hosted sync.

Open-source scheduling infrastructure — a self-hostable alternative to Calendly for booking meetings and appointments.

Open-source wealth management software to track stocks, ETFs, cryptocurrencies, and your overall net worth.

Modern, lightweight self-hosted music server compatible with Subsonic/Airsonic clients — stream your music everywhere.

Minimalist, opinionated RSS feed reader that is fast, lightweight, and written in Go — designed for long-term use.

Open-source, self-hosted search engine aggregator with a comprehensive plugin system.

A free internet metasearch engine which aggregates results from various search services without tracking or profiling users.

Open-source, self-hosted database backup and restore platform for PostgreSQL, MySQL, MongoDB, Redis, and more.

Free and open-source media server for movies, TV shows, music, and photos — a fully self-hosted alternative to Plex.

Open-source framework for building and deploying high-frequency crypto trading bots with market making and arbitrage strategies.

Free, open source crypto trading bot written in Python with strategy backtesting, machine learning, and multi-exchange support.

Hierarchical personal knowledge base with powerful note-taking, rich text editing, and scripting capabilities.

Real-time collaborative markdown note editor you can self-host — write together with rich formatting and seamless sharing.

Markdown-based note-taking app with powerful live queries, templates, and a pluggable scripting system for power users.

Federated link aggregator and community discussion platform — a decentralized, self-hostable alternative to Reddit.

Network-wide DNS-based ad and tracker blocker with parental controls, DNS rewrites, and detailed query logging.

Minimalist, federated blogging platform for writers who want a clean, distraction-free space to publish.

Network-wide DNS-based ad blocking that protects all devices on your network, including Smart TVs and IoT devices.

Open-source team chat with a unique topic-based threading model that makes it easy to follow multiple conversations.

Continuous file synchronization program that syncs files directly between your devices — no cloud required.

Open-source home automation platform that puts local control and privacy first — integrate thousands of smart home devices.

Self-hostable RSS and Atom news aggregator with a clean interface, multi-user support, and Fever/Google Reader API compatibility.

Free and open-source personal finance manager with double-entry bookkeeping, budgets, and bank import support.

Self-hosted document management system with OCR, full-text search, and automatic tagging for your paper documents.

Self-hosted read-it-later app that saves articles for offline reading with a clean, distraction-free view.

Decentralized social network server that federates with the broader Fediverse — run your own instance instead of relying on Twitter/X.

Openpanel is an open-source web and product analytics platform that combines the power of Mixpanel with the ease of Plausible and one of the best Google Analytics replacements.

Minimal self-hosted project management with kanban boards and issue tracking — no bloat, no subscriptions.

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

FlatPress is a lightweight, easy-to-set-up flat-file blogging engine.

Open platform for governing execution authority at decision surfaces across agents, AI systems, and enterprise workflows.

Open-source marketing automation platform with email campaigns, lead management, and multi-channel marketing.

Open-source email platform for sending transactional and marketing emails, self-hostable with a clean API.

Event-driven workflow orchestration platform with a YAML-based pipeline DSL, 500+ plugins, and a built-in UI editor.

Open-source platform for building and deploying reliable background jobs, scheduled tasks, and AI workflows in TypeScript.

Browser extension that automates repetitive web tasks by visually connecting blocks — no code required.

Low-latency, open-source voice chat built for gaming — self-host your own server with no subscription required.

Open-source Matrix client for secure, decentralized messaging, voice, and video — runs on your own server.

Open-source self-hostable bookmark manager to organize, discover, and personalize your saved links.

Free open-source self-hosted bookmark manager with customizable nested tags, fast search, and local data storage.

A self-hostable link-in-bio page built with Astro, React, and Tailwind CSS.

A modern, open-source CRM by the Frappe team, built for sales teams to manage leads and deals efficiently.

A free and open-source ERP and CRM platform for businesses, foundations, and freelancers of any size.

A fully featured open-source enterprise CRM built as a community fork of SugarCRM.

A free and open-source Laravel CRM for SMEs and enterprises with full customer lifecycle management.

A modern, open-source CRM built as a community-driven alternative to Salesforce.

Open source CRM platform for managing contacts, leads, sales pipelines, and customer relationships.

A simple, lightweight home media server for UNIX systems.

Free and open-source HTML5 network performance estimation tool using only built-in web APIs — no third-party frameworks required.

Self-hosted speed test with easy setup, supports PHP and Node.js backends, mobile-friendly, and highly configurable.

Menu-bar thermal monitor and workload governor for fanless Macs.

A self-hosted media server for watching, tracking, and managing movies and TV shows with P2P streaming support.

No-code spreadsheet database built on Postgres — a fast, open-source Airtable alternative.

Self-hosted task management that combines personal todo lists with powerful project organization. Built for individuals and teams who value privacy and control.

The open-source link attribution platform for short links, conversion tracking, and affiliate programs.

Self-hosted, open-source headless CMS built specifically for Astro.js with a block-based page builder.

An agentic development environment built on a modern Rust terminal emulator with AI-powered coding features.

A blazingly fast, self-hosted URL shortener written in Rust with no unnecessary features.

100% local Windows meeting transcription tool with real-time captions, speaker diarization, and offline Whisper processing.

Straightforward realtime kanban boards for intuitive task tracking with dark mode and collaborative features.

Self-hostable alternative to Google Maps Timeline for tracking and visualizing your location history.

Privacy-first, cookie-less web analytics with speed monitoring and error tracking.

Open-source web analytics platform with SEO keyword and search performance reporting.

Self-hosted personal finance manager for tracking expenses, budgets, and net worth via Docker.

Lightweight self-hosted server monitoring hub with historical data, Docker stats, and configurable alerts.

Self-hosted recipe manager for managing your digital recipe collection. Import, plan meals, build shopping lists, and collaborate with family.

Free and open-source iOS device manager for macOS. Browse backups, export messages, extract photos, manage apps - no subscriptions, no iCloud lock-in.

Open source platform for file management, sharing, and collaboration — simple and self-hostable.

Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.

Lightweight self-hosted app for managing personal file-based notes and checklists.

The definitive self-hosted URL shortener with analytics, QR codes, custom domains, and a powerful API.

A modern, free, and open-source URL shortener with custom domains, analytics, and a clean API.

A lightweight PHP-based URL shortener with MySQL or SQLite support and user history tracking.

A self-hosted, cross-platform podcast management system with a modern Rust and Python stack.

Privacy-focused, open-source note-taking and to-do app with end-to-end encryption and multi-device sync.

Free, open-source cross-platform TOTP authenticator with self-hostable sync backend, built with Flutter.

A beautiful terminal email client built with Go and Bubble Tea. An open source alternative to Superhuman and Outlook for the command line.

Online image editor with layers, filters, and effects that runs entirely in the browser. An open source Photoshop alternative with no ads or account required.

Self-hosted image manipulation platform with 45+ tools, local AI, and pipelines. A privacy-first open source alternative to Canva, TinyPNG, and remove.bg.

Open-source drag-and-drop email editor with JSON templates, MJML rendering, and framework-agnostic embedding.

Minimalist & lightweight startpage inspired by iOS for Chrome, Firefox, Edge and Safari.

Self-hosted URL shortener with analytics, QR codes, and link-in-bio pages. A privacy-first open source alternative to Bitly.

Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs.

Privacy-first password manager with built-in email aliasing. Fully encrypted and self-hostable.

Cross-platform community-driven port of KeePass Password Safe.

A zero-config, FOSS URL shortener with QR code generation and OpenTelemetry support, built in ASP.NET Core.

Open-source podcast hosting platform with fediverse integration, built-in analytics, and Podcasting 2.0 support.

A community-led fork of Organic Maps. Free offline maps for Android and iOS with no ads, no tracking, and no data collection.

Android app that removes EXIF metadata from photos via the share menu before sharing.

Self-hosted read-it-later app that preserves web page content and lets you read it anytime, offline or online.