Developer Tools
6,333,370 contributors
$129B
Open Source Index
Curated list of the most critical open source projects powering our modern digital infrastructure, measured by contributor volume and software value
Stacks
Most contributors
Programming Languages & Frameworks
6,196,684 contributors
$100B
Application Definition and Development
2,443,291 contributors
$46B
Observability & Analysis
1,648,297 contributors
$45B
Artificial Intelligence & Machine Learning
1,461,586 contributors
$13B
Orchestration & Management
1,228,374 contributors
$74B
Operating Systems & Virtualization
963,700 contributors
$43B
Security & Privacy
561,103 contributors
$31B
User Interface & Applications
466,950 contributors
$8.5B
Provisioning
455,913 contributors
$17B
Data Infrastructure & Analytics
443,134 contributors
$14B
Networking
391,165 contributors
$13B
Runtime
338,673 contributors
$19B
Blockchain & Distributed Ledger
269,027 contributors
$4.7B
Community & Collaboration
258,142 contributors
$15B
Web & CMS Development
255,558 contributors
$3.1B
End‑User Applications
210,610 contributors
$3.2B
Scientific Computing & Engineering
206,878 contributors
$9.5B
Smart Home & IoT
149,995 contributors
$249M
Internet of Things
143,050 contributors
$1.2B
Interactive Entertainment
128,135 contributors
$2.8B
Business Intelligence & Analytics
122,502 contributors
$1.4B
Self-Hosted Solutions
106,135 contributors
$513M
Web Foundations
88,849 contributors
$4.4B
Game Development
83,048 contributors
$2.9B
User Environment
58,443 contributors
$17M
Web Platforms
50,513 contributors
$503M
Business Automation & Integration
48,040 contributors
$487M
Collaboration & Social Platforms
28,376 contributors
$809M
Business & Productivity
23,904 contributors
$802M
Peripherals & Hardware Integration
22,721 contributors
$110M
Communication & Collaboration
20,802 contributors
$64M
Decentralized Technologies
16,936 contributors
$53M
Creative & Design Tools
12,734 contributors
$883M
Product Intelligence & Experimentation
11,378 contributors
$150M
IT Operations & Management
10,556 contributors
$87M
Surveillance & Video Analytics
10,149 contributors
$42M
Digital Presence & Marketing
7,925 contributors
$65M
Hardware & Embedded
7,528 contributors
$151M
Developer Resources
7,406 contributors
$14M
Scientific & Medical Applications
7,136 contributors
$130M
Privacy Tools
6,908 contributors
$15M
Communication Infrastructure
4,452 contributors
$12M
Enterprise IT Operations & Management
4,000 contributors
$155M
Compatibility & Emulation
3,489 contributors
$4.2M
Quantum Computing
2,550 contributors
$35M
Business Automation & Decision Management
2,091 contributors
$104M
Data Repositories
1,569 contributors
$279M
Embedded Systems & Hardware
1,379 contributors
$16M
Enterprise Middleware
1,083 contributors
$35M
Systems & Infrastructure
264 contributors
$8M
Geospatial Software
218 contributors
$12M
Multimedia & Creative Tools
163 contributors
$12M
Software Discovery
2 contributors
$12K