Open Source Software
Collaborative software development with publicly available source code, permissive or copyleft licenses, and distributed maintenance communities.
Core metadata
- ID: open_source_software
- Era: Modern
- First known date: 1983 (exact)
- Region: United States
- Review status: source_checked
- Maturity: N/A
Prerequisites
- Internet (internet)
- Operating Systems (OS Computer Management) (operating_systems_os_computer_management)
- Software Engineering (software_engineering)
Dependents
- Continuous Integration (continuous_integration)
- Secure Software Development Lifecycle (secure_software_development_lifecycle)
- Software Supply Chain Security (software_supply_chain_security)
Fields
- None.
Node sources
- FSF History (Free Software Foundation, 2026, review) • Supports: node
Locator: FSF dates Stallman's initial GNU announcement to September 27, 1983 and describes its goal of a fully free operating system.
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 68%
- Prerequisite sources: 2
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Software Engineering (software_engineering) | enabling | 68% | expert_inference | Software Engineering provides a capability that enables this technology without being the only possible path. |
|
| Internet (internet) | enabling | 68% | expert_inference | Internet provides a capability that enables this technology without being the only possible path. |
|
| Operating Systems (OS Computer Management) (operating_systems_os_computer_management) | enabling | 68% | expert_inference | Operating Systems (OS Computer Management) provides a capability that enables this technology without being the only possible path. | No sources recorded. |
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