Open Source Alternatives to Popular Software
Over 1 million users replaced their proprietary tools with open source software. Discover the best alternatives and join the movement.
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Cookie-less analytics for privacy-focused insights
Stars
1,742Last commit
10 months agoLicense
Apache-2.0
Track user behavior, custom events, and conversion funnels in real-time with a single line of code, all while maintaining GDPR compliance.
Open Source Alternative to:
Open-source knowledge management and collaboration platform
Stars
1,309Last commit
6 hours agoLicense
LGPL-2.1
XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.
Open Source Alternative to:
GitOps orchestration for infrastructure as code
Stars
1,281Last commit
6 hours agoLicense
MPL-2.0
Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.
Open Source Alternative to:
Secure self-hosted cloud storage with end-to-end encryption
Stars
1,475Last commit
16 days agoLicense
Unknown
Lightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.
Open Source Alternative to:
Self-hosted AI agents and workflows across any channel
Stars
1,219Last commit
22 days agoLicense
AGPL-3.0
Build and run AI agents, agentic workflows, and multichannel automation on your own infrastructure, with memory, RAG, MCP tools, and full data control.
Open Source Alternative to:
Transform team email into efficient collaborative workflows
Stars
1,757Last commit
7 months agoLicense
AGPL-3.0
Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.
Open Source Alternative to:
Transform your source code into stunning visuals
Stars
1,845Last commit
8 months agoLicense
MIT
Create beautiful, customizable images of your source code with ease, perfect for presentations, documentation, and social media sharing.
Unify APIs, databases, and services effortlessly
Stars
1,263Last commit
6 hours agoLicense
Apache-2.0
A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.
Open Source Alternative to:
Powerful open-source business intelligence for data-driven decisions
Stars
1,012Last commit
7 hours agoLicense
AGPL-3.0
Connect multiple data sources, build complex queries, create insightful visualizations, and organize powerful dashboards to make informed business decisions.
Open Source Alternative to:
Handcrafted minimal bookmark manager with advanced tagging system
Stars
1,305Last commit
1 month agoLicense
MIT
A private, open-source bookmark manager for power users and large libraries, with a powerful, clutter-free UI.
Open Source Alternative to:
Local-first notes app with no cloud, no AI, no tracking
Stars
1,343Last commit
6 hours agoLicense
MIT
A privacy-focused, offline-first note-taking app that stores everything on your device, with Markdown, note linking, file attachments, LaTeX math, and bring-your-own sync.
Open Source Alternative to:
Open-source webhooks for seamless integrations
Stars
1,484Last commit
18 hours agoLicense
SSPL-1.0
Self-hosted webhook solution for effortless event-driven communication between applications, enhancing system interoperability and automation.
Open Source Alternative to:
Self-hosted SERP API for Google, Bing, Yandex, and more
Stars
1,388Last commit
2 months agoLicense
MIT
Query Google, Bing, Yandex, Baidu, DuckDuckGo, and Ecosia through one REST API. Self-host free under MIT, or use the managed cloud option.
Open Source Alternative to:
Open-source testing agent for UI, API, security, accessibility & visual QA
Stars
1,154Last commit
1 month agoLicense
AGPL-3.0
Hercules is the first open-source testing agent, enabling zero-code, zero-maintenance UI, API, security, accessibility, and visual validations.
Open Source Alternative to:
Firefox fork hardened for privacy, security, and freedom
Stars
1,321Last commit
20 hours agoLicense
Unknown
A Firefox-based browser that strips telemetry, blocks trackers, disables DRM, and ships with a content blocker out of the box.
Open Source Alternative to:
AI agent workflows built natively into GitHub
Stars
1,185Last commit
5 hours agoLicense
MIT
An open-source GitHub bot that runs AI agents to review PRs, triage issues, fix CI failures, and ship code using any LLM provider.
Open Source Alternative to:
Clean, distraction-free note-taking with local storage
Stars
1,174Last commit
2 days agoLicense
AGPL-3.0
Minimal note-taking app storing Markdown notes in local SQLite database. Features instant search, flexible tagging, keyboard shortcuts, and offline access.
Open Source Alternative to:
AI-powered automation that lives in your Slack workspace
Stars
1,093Last commit
5 months agoLicense
Apache-2.0
Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.
Open Source Alternative to:
Flexible billing infrastructure for modern SaaS
Stars
1,231Last commit
6 days agoLicense
AGPL-3.0
Open-source pricing and billing platform that helps SaaS companies launch, test, and scale complex billing models with ease. Features metering, invoicing, and real-time data.
Open Source Alternative to:
Create, sell, and manage online courses with ease
Stars
1,264Last commit
5 days agoLicense
AGPL-3.0
An open-source platform for building and selling online courses, featuring customizable themes, integrated payments, and user management.
Open Source Alternative to:
Self-hosted uptime monitoring you own and control
Stars
1,192Last commit
4 months agoLicense
MIT
Open-source uptime monitoring solution with real-time alerts, status pages, and comprehensive checks for websites, APIs, databases, and services.
Open Source Alternative to:
Track TV shows and movies, synced with Trakt.tv
Stars
1,460Last commit
3 months agoLicense
GPL-3.0
Android and iOS app for tracking TV shows and movies, managing watchlists, and syncing viewing history with Trakt.tv across devices.
Open Source Alternative to:
Lightning-fast React data grid for enterprise scale
Stars
1,023Last commit
1 month agoLicense
Unknown
High-performance React data table with server-side loading, tree data, pivoting, and advanced features. Handles billions of rows with minimal bundle size.
Open-source feedback management for product teams
Stars
1,126Last commit
11 hours agoLicense
Apache-2.0
Collect, organize, and prioritize user feedback to build better products. Self-hosted solution for seamless feature request management.
Open Source Alternative to:
Own your SES email analytics, from send to inbox
Stars
924Last commit
6 days agoLicense
Unknown
Track SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
Open Source Alternative to:
Cookieless, privacy-first web analytics without the complexity
Stars
1,199Last commit
3 days agoLicense
AGPL-3.0
Privacy-first web analytics with real-time dashboards, session replays, error tracking, A/B testing, and GDPR compliance out of the box. No cookies, no consent banners.
Open Source Alternative to:
Transform your time tracking into actionable insights
Stars
897Last commit
5 hours agoLicense
GPL-3.0
Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.
Open Source Alternative to:
Your secure French personal cloud for complete data control
Stars
1,269Last commit
8 hours agoLicense
AGPL-3.0
Open-source personal cloud that automatically gathers all your data from third-party services. French-hosted with privacy-first design, no ads, and seamless device sync.
Open Source Alternative to:
Self-hostable omnichannel chatbot platform for agencies
Stars
764Last commit
9 hours agoLicense
MIT
Open source agentic chat marketing platform you can self-host, white-label, and resell. Automate omnichannel conversations across WhatsApp, Messenger, Instagram, Telegram, Zalo, TikTok, Email, and Webchat with a flow builder, shared inbox, AI agents, CRM, and broadcasts.
Open Source Alternative to:
Open source CMS with powerful drag-and-drop builder
Stars
1,188Last commit
1 month agoLicense
AGPL-3.0
Vvveb is a feature-rich open source CMS for building websites, blogs, and ecommerce stores with an intuitive drag-and-drop interface.
Open Source Alternative to:
Fast, secure browsing with powerful organization features
Stars
1,074Last commit
4 months agoLicense
GPL-3.0
A modern browser combining minimalist design with smart features like profiles, spaces, and command palette. Full Chrome extension support and privacy-focused browsing.
Open Source Alternative to:
Fast, local-first Git GUI built in Rust
Stars
834Last commit
17 hours agoLicense
AGPL-3.0
Open source Git GUI for Linux, macOS, and Windows, built in Rust for speed on large repositories with full diff, merge, and history tooling.
Open Source Alternative to:
Flexible CMS for developers, powerful for clients
Stars
1,150Last commit
3 days agoLicense
Unknown
A versatile, open-source content management system with a powerful API, modular architecture, and intuitive interface for seamless web development.
Open Source Alternative to:
Build AI agents and automate complex workflows seamlessly
Stars
1,002Last commit
6 hours agoLicense
Apache-2.0
Create intelligent automation workflows combining AI agents with your favorite apps and services. Connect, automate, and scale your operations without complex coding.
Open Source Alternative to:
Save, organize and revisit web content effortlessly
Stars
1,107Last commit
7 days agoLicense
Unknown
Personal content hub for saving articles, videos, and images. Features highlighting, transcripts, e-book export, and smart organization tools.
Open Source Alternative to:
Agile project management for cross-functional teams
Stars
850Last commit
6 days agoLicense
MPL-2.0
Self-hostable agile project management tool with Kanban and Scrum boards, sprint planning, issue tracking, and reporting for teams of any size.
Open Source Alternative to:
Open-source email API with enterprise deliverability
Stars
891Last commit
6 hours agoLicense
AGPL-3.0
Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.
Open Source Alternative to:
One self-hosted binary replaces Vercel, Sentry, and analytics tools
Stars
752Last commit
6 hours agoLicense
Apache-2.0
Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.
Open Source Alternative to:
Self-hosted encrypted backups with 70+ cloud storage options
Stars
782Last commit
5 days agoLicense
Apache-2.0
Free, open-source backup solution with end-to-end encryption. Self-hosted control, supports 70+ cloud providers, automated incremental backups, and zero vendor lock-in.
Open Source Alternative to:
Your personal workspace organizer for maximum productivity
Stars
1,024Last commit
4 months agoLicense
GPL-3.0
Organize projects, tasks, and resources in customizable workspaces. Boost productivity with a unified interface for all your work.
Open Source Alternative to:
Schedule posts to every major social network, self-hosted
Stars
611Last commit
7 hours agoLicense
AGPL-3.0
Plan, schedule, and auto-publish social media content across 10+ networks with a visual calendar, AI captions, team approvals, and self-hosting support.
Open Source Alternative to:
Secure, deploy, and manage application secrets effortlessly
Stars
919Last commit
11 hours agoLicense
MIT
Open source platform for engineering teams to manage secrets and environment variables from development to production, with powerful integrations.
Open Source Alternative to:
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View all categoriesAI Coding Agent Orchestrators
Tools that run and coordinate multiple AI coding agents in parallel across isolated git worktrees, also known as agent harnesses or agentic dev environments.
Scraping Platforms & SDKs
Platforms and SDKs for building web scraping solutions.
Voice Dictation Tools
Applications that convert spoken words into text for faster writing across any application.
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