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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Visual regression testing made effortless
Stars
1,678Last commit
6 months agoLicense
MIT
Automated visual testing tool that detects UI changes, ensures consistency, and accelerates development workflows.
Open Source Alternative to:
Simplify server management with an intuitive interface
Stars
764Last commit
5 hours agoLicense
MIT
A user-friendly, open-source control panel for effortless server administration, designed for both beginners and experts.
Open Source Alternative to:
AI-native support infrastructure for modern SaaS
Stars
736Last commit
1 month agoLicense
AGPL-3.0
Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.
Open Source Alternative to:
AI coding agent that sees your live app and edits code
Stars
719Last commit
5 hours agoLicense
Apache-2.0
Open-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.
Open Source Alternative to:
Feature management with GitOps for developers
Stars
812Last commit
17 hours agoLicense
MIT
Featurevisor is an open-source tool for managing feature flags, experiments, and remote configuration directly from your Git repository.
Open Source Alternative to:
Beautiful Kanban boards with seamless payment integration
Stars
661Last commit
3 months agoLicense
MIT
Organize projects with intuitive Kanban boards, powered by Supabase backend and Stripe payment processing for complete project management workflow.
Open Source Alternative to:
Persistent cloud VMs that hibernate and wake in seconds
Stars
Stars growing over the last 30 days569Last commit
11 hours agoLicense
Apache-2.0
Provides always-on virtual machines for AI agents with full OS access, persistent state, elastic CPU/memory resizing, and instant checkpoints.
Open Source Alternative to:
Fast, minimal VPN built on modern cryptography
Stars
731Last commit
6 months agoLicense
GPL-2.0
VPN protocol that runs inside the Linux kernel, using public-key cryptography to create encrypted tunnels across UDP with minimal configuration.
Open Source Alternative to:
Self-hosted screen recording for seamless collaboration
Stars
1,016Last commit
2 years agoLicense
AGPL-3.0
Effortlessly create, share, and collaborate with screen recordings. Control your data with self-hosting or our secure cloud option.
Open Source Alternative to:
Visual website builder and CMS you can self-host
Stars
Stars growing over the last 30 days333Last commit
3 days agoLicense
MIT
Build, manage, and host custom websites with a visual drag-and-drop builder and CMS. Self-host free or use managed cloud hosting.
Open Source Alternative to:
A verified workspace where AI agents store and build knowledge
Stars
Stars growing quickly over the last 30 days574Last commit
9 hours agoLicense
MIT
Busabase gives AI agents a shared database, knowledge base, and skills registry where every proposed change goes through human review before becoming canonical data.
Open Source Alternative to:
Build complete web apps with integrated graph database
Stars
828Last commit
12 days agoLicense
Unknown
Open-source low-code platform combining Neo4j graph database, visual schema editor, automatic REST APIs, and page rendering in one self-hosted environment.
Your content engine for growing on Twitter at scale
Stars
771Last commit
11 months agoLicense
AGPL-3.0
Create, schedule & manage Twitter content at scale with AI assistance, beautiful visuals, and multi-account support. Perfect for busy founders.
Open Source Alternative to:
Track games, movies, anime, manga, and books in one place
Stars
Stars growing over the last 30 days591Last commit
3 days agoLicense
MIT
Cross-platform collection manager for retro games, movies, TV shows, anime, manga, visual novels, and books with tier lists, visual boards, and import/export.
Open Source Alternative to:
Real-time fraud detection and AML compliance engine
Stars
617Last commit
2 days agoLicense
Elastic-2.0
An open-source platform that enables fintech companies to monitor transactions and user activity, detect suspicious behaviors, and automate fraud prevention in real-time.
Open Source Alternative to:
Monitor, manage, and communicate service status effortlessly
Stars
988Last commit
2 years agoLicense
MIT
A powerful open-source status page system for real-time incident tracking, maintenance updates, and transparent communication with users.
Open Source Alternative to:
Build and deploy AI agents through visual workflows
Stars
558Last commit
21 hours agoLicense
Apache-2.0
Create powerful AI agents using an intuitive node-based interface that connects multiple LLMs and data sources for automated documentation and development workflows.
Take control of your finances, paycheck by paycheck
Stars
687Last commit
6 hours agoLicense
FSL-1.1-MIT
Manage your money confidently with monetr, putting aside what you need and spending what you want
Open Source Alternative to:
S3-compatible object storage built with Swift
Stars
Stars growing over the last 30 days569Last commit
1 month agoLicense
Apache-2.0
Self-hostable, Apache 2.0-licensed object storage with S3 compatibility, a built-in web console, and horizontal scaling from single node to sharded cluster.
Open Source Alternative to:
Complete password control, zero cloud dependency
Stars
540Last commit
2 months agoLicense
Apache-2.0
Open-source password manager with peer-to-peer syncing, local storage, and end-to-end encryption. No cloud servers, complete privacy control across devices.
Open Source Alternative to:
Open source company management for high-performance startups
Stars
Stars growing over the last 30 days592Last commit
17 hours agoLicense
Apache-2.0
Operately is an open source platform that centralizes projects, goals, and processes, helping startups run efficiently without a COO.
Open Source Alternative to:
Secure open source email with advanced encryption & AI
Stars
660Last commit
1 day agoLicense
AGPL-3.0
Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately.
Open Source Alternative to:
Self-hosted AI visibility tracking for your brand
Stars
Stars growing quickly over the last 30 days488Last commit
1 day agoLicense
MIT
Tracks how ChatGPT, Gemini, Claude, Perplexity, and other AI engines mention your brand, which competitors appear, and which sources get cited.
Open Source Alternative to:
Messaging SDK with AI agents for web, iOS, and Android
Stars
551Last commit
2 days agoLicense
Apache-2.0
Build branded chat apps with AI agents, group messaging, document exchange, and digital wallets using React and React Native components.
Open Source Alternative to:
Real-time work and project management platform
Stars
597Last commit
5 hours agoLicense
AGPL-3.0
Ever Teams offers an all-in-one solution for work management, time tracking, and team collaboration with integrations for popular tools.
Open Source Alternative to:
Visual regression testing for seamless UI development
Stars
646Last commit
5 hours agoLicense
MIT
Automate visual testing, catch UI bugs early, and collaborate effortlessly with your team to maintain pixel-perfect interfaces.
Open Source Alternative to:
Federated short videos without corporate control
Stars
460Last commit
1 day agoLicense
AGPL-3.0
Open-source, decentralized short-video platform that gives creators control. No ads, no lock-in, built on ActivityPub for true community ownership.
Open Source Alternative to:
Open-source AI browser for intelligent web automation
Stars
516Last commit
7 months agoLicense
BSD-3-Clause
Privacy-focused AI browser with intelligent agents for research, analysis, and workflow automation. Features unified memory, compliance guardrails, and seamless integrations.
Open Source Alternative to:
Open-source CMS for text-driven websites
Stars
618Last commit
1 day agoLicense
MIT
Create manuals, documentation, and websites with this markdown-based content management system, with options for ebook conversion.
Open Source Alternative to:
Open source financial infrastructure for modern businesses
Stars
529Last commit
3 days agoLicense
MIT
Build custom financial flows and integrate with any provider using Formance's agnostic platform
Open Source Alternative to:
Craft AAA web apps that delight your users
Stars
492Last commit
16 hours agoLicense
Apache-2.0
Visual web development engine combining design and development tools. Build immersive, interactive web experiences with component-based framework, real-time collaboration, and powerful visual editor.
Open Source Alternative to:
Open-source GraphQL federation platform
Stars
483Last commit
13 hours agoLicense
MIT
A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs
Open Source Alternative to:
Self-hostable image and video delivery with URL transforms
Stars
416Last commit
20 days agoLicense
AGPL-3.0
Upload, transform, and deliver images and videos via a REST API and URL parameters, using your own S3-compatible storage. Cloudinary-compatible syntax, no vendor lock-in.
Open Source Alternative to:
AI governance made simple, secure, and compliant
Stars
367Last commit
8 hours agoLicense
AGPL-3.0
Open-source AI governance platform helping teams meet regulatory standards like EU AI Act and ISO 42001. Monitor model performance, manage risks, and maintain compliance with enterprise-grade security.
Open Source Alternative to:
Inspect, debug, and replay BullMQ queues visually
Stars
454Last commit
5 months agoLicense
MIT
Desktop app and embeddable dashboard for BullMQ that shows live queue metrics, job runs, FlowProducer graphs, and scheduler status without touching Redis directly.
Open Source Alternative to:
Self-hosted project management with boards and test tracking
Stars
Stars growing quickly over the last 30 days366Last commit
14 hours agoLicense
AGPL-3.0
Self-hosted, open-source project management tool with boards, milestones, portals, time tracking, and test management on your own infrastructure.
Open Source Alternative to:
Simplify project management for developers
Stars
458Last commit
13 days agoLicense
Apache-2.0
Shelve is a comprehensive project management tool designed to streamline workflows and enhance collaboration for developers and teams.
Open Source Alternative to:
End-to-end encrypted collaborative document editor
Stars
Stars growing over the last 30 days447Last commit
2 days agoLicense
AGPL-3.0
Write, organize, and collaborate in real-time with complete privacy and security. This app is an open-source, online/offline compatible, and AI-free alternative to Google Docs.
Open Source Alternative to:
Simple, powerful web & product analytics for user insights
Stars
392Last commit
1 day agoLicense
AGPL-3.0
Privacy-focused analytics platform combining web and product insights. Track user journeys, create funnels, and understand behavior with GDPR compliance and no cookies by default.
Open Source Alternative to:
Web3 writing platform for content creators and crypto enthusiasts
Stars
489Last commit
10 days agoLicense
MIT
Sigle is a secure, open-source platform for Web3 writers to create, publish, and monetize content on the Bitcoin blockchain.
Open Source Alternative to:
Simple content management for modern sites
Stars
384Last commit
2 days agoLicense
AGPL-3.0
A headless CMS designed for blogs, changelogs, and articles. Features intuitive editor, team collaboration, media management, and API integration.
Open Source Alternative to:
Real-time event tracking and response for tech products
Stars
474Last commit
22 days agoLicense
AGPL-3.0
Track critical events, receive instant notifications, and respond to product activities with customizable webhooks and action buttons
Open Source Alternative to:
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