GPL-3.0 Licensed Open Source Software
A curated collection of the 62 best open source software licensed under GPL-3.0.
Local voice dictation with AI enhancement for macOS
Stars
Stars growing over the last 30 days7,054Last commit
3 days agoLicense
GPL-3.0
Privacy-first dictation app for Apple Silicon Macs that transcribes speech locally, cleans up output with AI, and auto-switches settings per app.
Open Source Alternative to:
Private AI chat with zero-access encryption
Stars
5,684Last commit
2 days agoLicense
GPL-3.0
AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.
Open Source Alternative to:
High-performance code editor built for speed and AI
Stars
Stars growing over the last 30 days94,523Last commit
9 hours agoLicense
GPL-3.0
A Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integration.
Open Source Alternative to:
Mac cleaner, app manager, and system monitor in one
Stars
Stars growing over the last 30 days74,319Last commit
9 hours agoLicense
GPL-3.0
Native macOS app that cleans caches, uninstalls apps with leftovers, maps disk usage, and shows live system metrics. One-time purchase, lifetime updates.
Open Source Alternative to:
Real-time monitoring for systems and applications
Stars
81,317Last commit
10 hours agoLicense
GPL-3.0
Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.
Open Source Alternative to:
Effortlessly organize your digital documents
Stars
Stars growing over the last 30 days47,924Last commit
10 hours agoLicense
GPL-3.0
A powerful open-source solution for managing, organizing, and searching your digital documents with ease and efficiency.
Open Source Alternative to:
Comprehensive business management, tailored for you
Stars
41,111Last commit
9 hours agoLicense
GPL-3.0
Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.
Open Source Alternative to:
Manage Linux servers with ease through a modern web interface
Stars
37,406Last commit
9 hours agoLicense
GPL-3.0
Comprehensive web-based tool for Linux server administration with integrated website, database, container, and LLM management capabilities.
Open Source Alternative to:
Powerful screen capture and file sharing tool for Windows
Stars
40,865Last commit
11 hours agoLicense
GPL-3.0
ShareX is a free, open-source program that captures or records any area of your screen and shares it with a single keypress, supporting various file types and destinations.
Open Source Alternative to:
Secure access management for modern IT infrastructure
Stars
31,930Last commit
11 hours agoLicense
GPL-3.0
Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications.
Open Source Alternative to:
GPU-accelerated terminal built for power users
Stars
35,607Last commit
10 hours agoLicense
GPL-3.0
High-performance terminal emulator with GPU acceleration, graphics support, and advanced scripting capabilities for developers and system administrators.
Open Source Alternative to:
AI assistant that enhances enterprise knowledge management
Stars
23,127Last commit
9 hours agoLicense
GPL-3.0
Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.
Open Source Alternative to:
Cross-platform, secure password manager
Stars
29,875Last commit
1 day agoLicense
GPL-3.0
KeePassXC is an open-source password manager that securely stores and manages sensitive information across Windows, macOS, and Linux.
Open Source Alternative to:
Privacy-first browser with ad-blocking and no bloat
Stars
Stars growing over the last 30 days22,508Last commit
2 days agoLicense
GPL-3.0
Chromium-based desktop browser with default ad and tracker blocking, no analytics, native !bangs, split view, and full MV2 extension support.
Open Source Alternative to:
Lightning-fast, typo-tolerant search engine for all
Stars
27,105Last commit
3 days agoLicense
GPL-3.0
Open-source search solution offering blazing speed, typo tolerance, and effortless scalability for developers and businesses.
Open Source Alternative to:
Self-hosted music streaming for your personal collection
Stars
24,600Last commit
18 hours agoLicense
GPL-3.0
Open source music server that streams your personal library via a web player or any Subsonic-compatible mobile app on iOS and Android.
Open Source Alternative to:
Free, private screen recording for Chrome
Stars
18,969Last commit
1 day agoLicense
GPL-3.0
Capture, annotate, and edit screen recordings with no limits or sign-up required. Completely private and open source.
Open Source Alternative to:
Empower your digital strategy with actionable insights
Stars
22,014Last commit
10 hours agoLicense
GPL-3.0
Comprehensive web analytics platform offering full data ownership, privacy protection, and customizable insights for data-driven decision making.
Open Source Alternative to:
Classic, agile, or hybrid project management, self-hosted
Stars
Stars growing over the last 30 days17,156Last commit
9 hours agoLicense
GPL-3.0
Full-featured project management platform with Gantt charts, agile boards, time tracking, and team collaboration. Self-host or use managed cloud hosting.
Open Source Alternative to:
Native desktop email with tracking, templates, and dark mode
Stars
18,000Last commit
19 hours agoLicense
GPL-3.0
Desktop email client for Mac, Windows, and Linux with unified inbox, read receipts, link tracking, send later, grammar checking, and contact enrichment.
Open Source Alternative to:
On-device voice dictation for macOS with adaptive AI
Stars
Stars growing over the last 30 days12,915Last commit
1 day agoLicense
GPL-3.0
Free, open-source macOS dictation app that transcribes speech locally, polishes output with an on-device AI model, and adapts tone to whichever app you're typing into.
Open Source Alternative to:
Zero-knowledge encrypted notes that sync across all devices
Stars
14,903Last commit
10 hours agoLicense
GPL-3.0
End-to-end encrypted note-taking app with zero-knowledge architecture, cross-device sync, web clipper, and a self-hostable sync server.
Open Source Alternative to:
Client-side encryption for your cloud files
Stars
16,472Last commit
3 days agoLicense
GPL-3.0
Encrypts files and filenames locally before they reach Dropbox, Google Drive, OneDrive, or any other cloud, so only you hold the key.
Open Source Alternative to:
A free, open source, cross-platform video editor
Stars
15,636Last commit
6 days agoLicense
GPL-3.0
Free, open-source video editor supporting 4K resolution, hundreds of formats, and professional features like Blackmagic Design integration across Windows, Mac, and Linux.
Open Source Alternative to:
Type shortcuts, expand to full text instantly
Stars
14,752Last commit
2 days agoLicense
GPL-3.0
Cross-platform text expander that replaces typed keywords with full snippets, templates, dates, emojis, or script output across any app.
Open Source Alternative to:
AI-Powered Note Taking App
Stars
11,180Last commit
4 days agoLicense
GPL-3.0
The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.
Open Source Alternative to:
Professional RAW photo editing and workflow management
Stars
13,422Last commit
16 hours agoLicense
GPL-3.0
Open source photography workflow application for RAW development. Non-destructive editing, professional color management, and GPU acceleration for photographers.
Open Source Alternative to:
2FA token manager for Android with encrypted vault
Stars
13,501Last commit
2 months agoLicense
GPL-3.0
Android app for managing two-factor authentication tokens with encrypted storage, biometric unlock, flexible backups, and import/export from major 2FA apps.
Open Source Alternative to:
Lightning-fast open source search engine for big data
Stars
12,079Last commit
10 hours agoLicense
GPL-3.0
Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities.
Open Source Alternative to:
Instant file sharing across devices without setup
Stars
11,771Last commit
7 months agoLicense
GPL-3.0
Share files instantly between devices using peer-to-peer technology. No registration, installation, or configuration required. Works cross-platform.
Open Source Alternative to:
Professional digital painting made accessible to everyone
Stars
10,719Last commit
1 day agoLicense
GPL-3.0
Free and open source painting program built by artists for artists. Features professional brushes, layers, animation tools, and drawing assistants for all skill levels.
Open Source Alternative to:
Automate crypto trading with open-source strategies
Stars
Stars growing over the last 30 days6,913Last commit
7 days agoLicense
GPL-3.0
OctoBot is an open-source platform for automated cryptocurrency trading, offering customizable strategies and easy integration with exchanges.
Open Source Alternative to:
Secure email, calendar and contacts with end-to-end encryption
Stars
8,139Last commit
3 days agoLicense
GPL-3.0
Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.
Open Source Alternative to:
Browser-based IMAP webmail with a full email client feel
Stars
7,264Last commit
1 day agoLicense
GPL-3.0
PHP-based webmail client with MIME support, address book, folder management, threaded views, PGP encryption, and a plugin API for self-hosted email.
Open Source Alternative to:
Create privacy-first static websites with ease
Stars
7,396Last commit
2 days agoLicense
GPL-3.0
Desktop CMS for building fast, secure static websites with zero technical complexity. GDPR & CCPA compliant with one-click deployment.
Open Source Alternative to:
Clean your system and free disk space
Stars
Stars growing over the last 30 days7,418Last commit
22 hours agoLicense
GPL-3.0
BleachBit frees disk space & protects privacy by deleting cache, cookies, history & temp files from Firefox, Chrome & more. Open source for Linux/Windows.
Open Source Alternative to:
Free, cross-platform video editor that's easy to learn
Stars
6,758Last commit
19 hours agoLicense
GPL-3.0
A free, open-source video editor for Linux, Mac, and Windows with animation, effects, multi-track editing, and 3D title rendering.
Open Source Alternative to:
Continuous web-based localization for global reach
Stars
6,163Last commit
9 hours agoLicense
GPL-3.0
Web-based continuous localization platform with version control integration, quality checks, and clean interface. Used by 2,500+ projects in 165+ countries.
Open Source Alternative to:
Professional video editing without the price tag
Stars
Stars growing over the last 30 days6,073Last commit
9 hours agoLicense
GPL-3.0
Cross-platform non-linear video editor offering professional features for free. Edit videos on Linux, Windows, macOS, and BSD with advanced tools and effects.
Open Source Alternative to:
Spreadsheet-like interface for PostgreSQL databases
Stars
5,170Last commit
18 hours agoLicense
GPL-3.0
A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.
Open Source Alternative to:
Free open-source appointment booking for any business
Stars
4,484Last commit
7 days agoLicense
GPL-3.0
Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.
Open Source Alternative to:
YAML-defined workflow orchestration, no database required
Stars
Stars growing over the last 30 days4,568Last commit
15 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:
Capture – Capture screenshots, generate PDFs, scrape content, extract metadata, and automate browsers with one API.
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