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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YAML-defined workflow orchestration, no database required
Stars
4,195Last commit
13 hours agoLicense
GPL-3.0
Single-binary workflow orchestrator that runs scheduled DAGs locally or over SSH, with retries, human tasks, a built-in Web UI, and file-based state storage.
Open Source Alternative to:
Track coding time effortlessly, gain insights instantly
Stars
4,435Last commit
4 days agoLicense
MIT
Open-source, self-hosted time tracking solution for developers. Analyze coding habits, improve productivity, and visualize progress.
Open Source Alternative to:
High-performance graph computing for scalable data analysis
Stars
4,582Last commit
8 hours agoLicense
Unknown
Memgraph is a scalable, in-memory graph database solution offering high-performance computing and Neo4j compatibility.
Open Source Alternative to:
Free office suite with Microsoft compatibility
Stars
4,411Last commit
8 hours agoLicense
GPL-3.0
Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.
Open Source Alternative to:
Self-hosted photo management with full control
Stars
4,306Last commit
8 hours agoLicense
MIT
Free photo management tool that runs on your server. Upload, organize, and share photos with beautiful interface, EXIF support, and complete privacy control.
Open Source Alternative to:
Secure and elegant Matrix client for seamless conversations
Stars
3,907Last commit
8 hours agoLicense
AGPL-3.0
Cinny offers a simple, elegant, and secure interface for Matrix-based conversations, protected by end-to-end encryption.
Open Source Alternative to:
Create powerful forms with ease and flexibility
Stars
3,753Last commit
14 hours agoLicense
AGPL-3.0
A versatile open-source form builder for collecting data, managing submissions, and integrating with your favorite tools.
Open Source Alternative to:
Automate financial processes for smarter business decisions
Stars
3,918Last commit
12 hours agoLicense
AGPL-3.0
Cloud-based accounting software that streamlines bookkeeping, generates intelligent reports, and offers multi-currency support for efficient financial management.
Open Source Alternative to:
Open source observability platform for modern applications
Stars
4,293Last commit
2 months agoLicense
AGPL-3.0
Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.
Open Source Alternative to:
Scalable SQL database for real-time analytics
Stars
4,441Last commit
8 hours agoLicense
Apache-2.0
Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data.
Open Source Alternative to:
Quick access to apps and files with keyboard shortcuts
Stars
4,604Last commit
17 days agoLicense
MIT
A keyboard-driven launcher that helps you quickly find and open applications, files, and bookmarks across Windows, macOS, and Linux
Open Source Alternative to:
Next-gen WebSockets server for real-time apps
Stars
5,636Last commit
2 years agoLicense
AGPL-3.0
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.
Open Source Alternative to:
Embedded storage engine built on object storage
Stars
3,451Last commit
10 hours agoLicense
Apache-2.0
SlateDB is an embedded storage engine that leverages object storage for durability, scalability, and simplified replication without the need for disk management.
Open Source Alternative to:
Python, SQL, and AI in a collaborative data notebook
Stars
3,009Last commit
14 hours agoLicense
Apache-2.0
Deepnote is an open-source collaborative notebook for data analysts and scientists, combining Python, SQL, AI assistance, and live sharing in one cloud platform.
Open Source Alternative to:
Create stunning data visualizations with ease
Stars
4,064Last commit
5 days agoLicense
MIT
A powerful, open-source platform for building interactive dashboards and charts from multiple data sources without coding.
Open Source Alternative to:
AI-powered platform for engineering LLM products
Stars
3,285Last commit
8 hours agoLicense
Apache-2.0
Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.
Open Source Alternative to:
Create your own link-in-bio page with 100+ branded buttons
Stars
3,090Last commit
2 months agoLicense
MIT
Open source DIY alternative to Linktree with 100+ branded buttons, multiple themes, and optimized performance. No frameworks or JavaScript required.
Open Source Alternative to:
Open-source document editing suite for secure collaboration
Stars
3,362Last commit
4 days agoLicense
Unknown
Powerful online document editor with Microsoft Office compatibility. Integrate into your infrastructure or use trusted hosting partners for secure team collaboration.
Open Source Alternative to:
Your digital identity, beautifully organized
Stars
3,890Last commit
2 months agoLicense
AGPL-3.0
A free, open-source link management platform for creating customizable, self-hosted link pages to showcase your online presence.
Open Source Alternative to:
Craft flexible, beautiful digital experiences with ease
Stars
3,977Last commit
19 days agoLicense
Apache-2.0
A powerful, open-source CMS for Laravel that simplifies content management with a modular approach and intuitive admin panel.
Open Source Alternative to:
Effortlessly split expenses with friends and roommates
Stars
2,960Last commit
2 days agoLicense
MIT
A user-friendly app for tracking shared expenses, settling debts, and managing group finances with ease and transparency.
Open Source Alternative to:
Open-source code security engine for developers
Stars
3,120Last commit
8 hours agoLicense
LGPL-2.1
Opengrep is a community-driven fork of SemgrepCE, providing accessible static code analysis and security scanning for developers.
Create engaging surveys and gather valuable insights
Stars
3,737Last commit
9 hours agoLicense
Unknown
LimeSurvey is a powerful open-source tool for creating customizable online surveys, polls, and questionnaires.
Open Source Alternative to:
Convert wearable data into actionable health insights with open algorithms
Stars
2,579Last commit
8 hours agoLicense
MIT
Self-hosted health intelligence platform with open algorithms, AI reasoning engine, and zero per-user fees. Connect Apple Health, Whoop, Garmin, Oura, and more.
Open Source Alternative to:
Lightweight code editor with agents, Git, and terminal built in
Stars
3,088Last commit
1 day agoLicense
Unknown
Open-source code editor for macOS, Windows, and Linux that puts coding agents, terminal, Git, and GitHub in a single window.
Open Source Alternative to:
Open source agency management tool for streamlined success
Stars
3,190Last commit
9 hours agoLicense
AGPL-3.0
Worklenz is a comprehensive project management platform that helps agencies organize tasks, track resources, and boost productivity.
Open Source Alternative to:
Track your life, your way
Stars
3,618Last commit
9 hours agoLicense
GPL-3.0
Ryot is a versatile platform for effortlessly tracking media, fitness, and more, replacing manual methods like spreadsheets.
Open Source Alternative to:
Open source ecommerce platform for modern businesses
Stars
3,433Last commit
8 hours agoLicense
MIT
A flexible and customizable ecommerce solution that enables businesses to build responsive online stores with advanced features and automation capabilities.
Open Source Alternative to:
Complete customer relationship management made simple
Stars
3,424Last commit
10 hours agoLicense
AGPL-3.0
Open-source CRM software for managing customers, companies, projects and opportunities. Intuitive interface with cloud and self-hosted options available.
Open Source Alternative to:
Flexible CMS for custom digital experiences
Stars
3,609Last commit
8 hours agoLicense
Unknown
Build custom websites with a user-friendly CMS that puts content first. Features flexible architecture, GraphQL API, and powerful ecommerce capabilities.
Open Source Alternative to:
Professional raw photo processing made free and powerful
Stars
4,186Last commit
20 hours agoLicense
GPL-3.0
Free, cross-platform raw image processor with 32-bit floating point engine, advanced demosaicing algorithms, and professional-grade editing tools for photographers.
Open Source Alternative to:
Webhook delivery platform with retries, security, and a portal
Stars
3,423Last commit
11 hours agoLicense
MIT
Add customer-facing webhooks to your product without building the infrastructure. Handles retries, signatures, multi-tenancy, filtering, and monitoring at scale.
Open Source Alternative to:
Group chat for friends and communities, without the baggage
Stars
3,362Last commit
20 hours agoLicense
Unknown
Self-hostable group chat with servers, channels, voice, and moderation tools. No ads, no data mining, built under EU privacy law.
Open Source Alternative to:
Self-hosted social media management without limits
Stars
3,739Last commit
7 months agoLicense
MIT
Create, schedule, and manage social media content from your own server with no subscription fees or usage restrictions.
Open Source Alternative to:
Transform any TV into professional digital signage
Stars
3,677Last commit
20 hours agoLicense
Unknown
Free open-source digital signage software that turns Raspberry Pi or old PCs into powerful display solutions. Manage images, videos, and web content easily.
Open Source Alternative to:
Organize thousands of photos with ease
Stars
3,865Last commit
5 days agoLicense
GPL-2.0
Open source photo management software for organizing, sharing and managing large photo libraries. Perfect for teams, organizations and individuals.
Open Source Alternative to:
Track gear, bookings, and inventory without spreadsheets
Stars
3,021Last commit
12 hours agoLicense
AGPL-3.0
Open source asset management platform for teams to track equipment, manage bookings, prevent double-bookings, and handle custody and audits across locations.
Open Source Alternative to:
Monitor, debug, and scale LLM applications with ease
Stars
2,803Last commit
14 hours agoLicense
Apache-2.0
Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.
Open Source Alternative to:
Stripe payments, usage tracking, and paywalls in 3 functions
Stars
2,693Last commit
8 hours agoLicense
Apache-2.0
Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.
Open Source Alternative to:
Website analytics, uptime monitoring, and server status in one
Stars
3,100Last commit
11 hours agoLicense
Apache-2.0
Self-hostable platform combining website analytics, uptime monitoring, server status, Docker tracking, status pages, and telemetry for indie developers and small teams.
Open Source Alternative to:
Powerful and user-friendly web hosting control panel
Stars
3,062Last commit
1 month agoLicense
Unknown
aaPanel simplifies Linux server management with one-click installations, intuitive interface, and comprehensive tools for websites, databases, and more.
Open Source Alternative to:
Get instant answers from your company knowledge
Stars
3,047Last commit
2 days agoLicense
Apache-2.0
AI-powered search and RAG platform that connects to 100+ enterprise tools without data migration. Deploy securely on-premises with any LLM.
Open Source Alternative to:
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