opensourcestartups

> /v1/license/gpl-3-0

Open source projects under GPL-3.0[043]

GPLv3 is copyleft — derivative works must remain GPL. Used by GIMP, GNU Make, Bash.

// AI & ML№ 001
NetData

NetData

★ FEATUREDC

Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.

★ STARS

78.7k

⑂ FORKS

6.4k

OPEN PROJECT
// OTHER№ 002
Paperless-home

Paperless-home

★ FEATUREDPYTHON

A powerful open-source solution for managing, organizing, and searching your digital documents with ease and efficiency.

★ STARS

40.4k

⑂ FORKS

2.6k

OPEN PROJECT
// DEVELOPER TOOLS№ 003
ShareX

ShareX

★ FEATUREDC#

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.

★ STARS

37.4k

⑂ FORKS

3.7k

OPEN PROJECT
// AI & ML№ 004
Reworkd

Reworkd

★ FEATUREDTYPESCRIPT

The simplest way to extract web data at scale

★ STARS

36.1k

⑂ FORKS

9.4k

OPEN PROJECT
// AI & ML№ 005
1Panel

1Panel

★ FEATUREDGO

Comprehensive web-based tool for Linux server administration with integrated website, database, container, and LLM management capabilities.

★ STARS

35.3k

⑂ FORKS

3.1k

OPEN PROJECT
// OTHER№ 006
ERPNext

ERPNext

★ FEATUREDPYTHON

Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.

★ STARS

33.7k

⑂ FORKS

11.2k

OPEN PROJECT
// OTHER№ 007
Kitty

Kitty

★ FEATUREDPYTHON

High-performance terminal emulator with GPU acceleration, graphics support, and advanced scripting capabilities for developers and system administrators.

★ STARS

32.8k

⑂ FORKS

1.4k

OPEN PROJECT
// DATABASE№ 008
JumpServer

JumpServer

★ FEATUREDPYTHON

Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications.

★ STARS

30.4k

⑂ FORKS

5.7k

OPEN PROJECT
// DEVELOPER TOOLS№ 009
Typesense

Typesense

C++

Open Source alternative to Algolia + Pinecone

★ STARS

25.8k

⑂ FORKS

886

OPEN PROJECT
// DATABASE№ 010
Matomo

Matomo

PHP

Comprehensive web analytics platform offering full data ownership, privacy protection, and customizable insights for data-driven decision making.

★ STARS

21.5k

⑂ FORKS

2.8k

OPEN PROJECT
// DEVELOPER TOOLS№ 011
Navidrome

Navidrome

GO

Self-hosted music streaming server that makes your personal collection accessible through web interface and mobile apps. Fast, lightweight, handles large libraries.

★ STARS

21.0k

⑂ FORKS

1.5k

OPEN PROJECT
// AI & ML№ 012
MaxKB

MaxKB

PYTHON

Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.

★ STARS

20.9k

⑂ FORKS

2.8k

OPEN PROJECT
// DEVELOPER TOOLS№ 013
Screenity

Screenity

JAVASCRIPT

Capture, annotate, and edit screen recordings with no limits or sign-up required. Completely private and open source.

★ STARS

18.2k

⑂ FORKS

1.5k

OPEN PROJECT
// DEVELOPER TOOLS№ 014
Helium

Helium

C++

Open-source Chromium-based browser offering best-in-class privacy protection, unbiased ad-blocking, split view, native !bangs, and zero bloat by default.

★ STARS

15.5k

⑂ FORKS

370

OPEN PROJECT
// AUTH & SECURITY№ 015
OpenProject

OpenProject

RUBY

Powerful classic, agile or hybrid project management software with a focus on data privacy and security

★ STARS

15.0k

⑂ FORKS

3.2k

OPEN PROJECT
// AUTH & SECURITY№ 016
Notesnook

Notesnook

TYPESCRIPT

End-to-end encrypted note-taking app with cross-platform sync, rich text editing, and offline support for ultimate privacy and productivity.

★ STARS

14.0k

⑂ FORKS

945

OPEN PROJECT
// DEVELOPER TOOLS№ 017
Shotcut

Shotcut

C++

Free, open-source video editor supporting 4K resolution, hundreds of formats, and professional features like Blackmagic Design integration across Windows, Mac, and Linux.

★ STARS

13.9k

⑂ FORKS

1.4k

OPEN PROJECT
// DEVELOPER TOOLS№ 018
Darktable

Darktable

C

Open source photography workflow application for RAW development. Non-destructive editing, professional color management, and GPU acceleration for photographers.

★ STARS

12.4k

⑂ FORKS

1.3k

OPEN PROJECT
// DATABASE№ 019
Manticore Search

Manticore Search

C++

Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities.

★ STARS

11.8k

⑂ FORKS

624

OPEN PROJECT
// DEVELOPER TOOLS№ 020
PairDrop

PairDrop

JAVASCRIPT

Share files instantly between devices using peer-to-peer technology. No registration, installation, or configuration required. Works cross-platform.

★ STARS

10.3k

⑂ FORKS

608

OPEN PROJECT
// OTHER№ 021
Krita

Krita

C++

Free and open source painting program built by artists for artists. Features professional brushes, layers, animation tools, and drawing assistants for all skill levels.

★ STARS

9.7k

⑂ FORKS

775

OPEN PROJECT
// AUTH & SECURITY№ 022
Tuta

Tuta

TYPESCRIPT

Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.

★ STARS

7.6k

⑂ FORKS

616

OPEN PROJECT
// AI & ML№ 023
OctoBot

OctoBot

PYTHON

OctoBot is an open-source platform for automated cryptocurrency trading, offering customizable strategies and easy integration with exchanges.

★ STARS

5.9k

⑂ FORKS

1.2k

OPEN PROJECT
// OTHER№ 024
Weblate

Weblate

PYTHON

Web-based continuous localization platform with version control integration, quality checks, and clean interface. Used by 2,500+ projects in 165+ countries.

★ STARS

5.9k

⑂ FORKS

1.3k

OPEN PROJECT
// AUTH & SECURITY№ 025
BleachBit

BleachBit

PYTHON

BleachBit frees disk space & protects privacy by deleting cache, cookies, history & temp files from Firefox, Chrome & more. Open source for Linux/Windows.

★ STARS

5.1k

⑂ FORKS

363

OPEN PROJECT
// DEVELOPER TOOLS№ 026
Kdenlive

Kdenlive

C++

Cross-platform non-linear video editor offering professional features for free. Edit videos on Linux, Windows, macOS, and BSD with advanced tools and effects.

★ STARS

5.0k

⑂ FORKS

413

OPEN PROJECT
// DATABASE№ 027
Mathesar

Mathesar

SVELTE

A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.

★ STARS

4.9k

⑂ FORKS

470

OPEN PROJECT
// DATABASE№ 028
easy-appointments

easy-appointments

PHP

Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.

★ STARS

4.2k

⑂ FORKS

1.5k

OPEN PROJECT
// AUTH & SECURITY№ 029
RawTherapee

RawTherapee

C++

Free, cross-platform raw image processor with 32-bit floating point engine, advanced demosaicing algorithms, and professional-grade editing tools for photographers.

★ STARS

3.9k

⑂ FORKS

394

OPEN PROJECT
// OTHER№ 030
LibreOffice

LibreOffice

C++

Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.

★ STARS

3.9k

⑂ FORKS

832

OPEN PROJECT

// FREQUENTLY ASKED

What is the GNU GPLv3?

GPLv3 is copyleft — derivative works must remain GPL. Used by GIMP, GNU Make, Bash.

What are the most popular GPL-3.0 projects?

NetData, Paperless-home, ShareX, Reworkd, 1Panel — see all 43 above.

Can I use GPL-3.0 code in a commercial product?

GNU GPLv3 permits commercial use. Check the full license text for attribution and modification clauses.