OSS Licenses 101

Copyleft VS ~~Copyright~~ Non-copyleft
Work VS Hobby
Existing:
- pivotal/LicenseFinder
- google/js-green-licenses
Produce: choosealicense

Usage 3rd-party

commertial distribution + non-disclosure 😭

Link / Include / Import

MIT, BSD (usually network/web)
LGPG, Apache (usually compiled)
google/js-green-licenses#configurations

No

*unless OSS

Compiled: GPL, MPL
Network/Web: AGPL

Run / Saas service

*all non-EULA ofc

All ~~free~~ no restriction except AGPL

Produce

Library

Do as in ecosystem!
Compiled (for *.so): LGPG
Network/Web: MIT (Rails, Express)

Product

*nginx, postgresql - BSD; gitlab-ce, wekan - MIT

Compiled: GPL-3
Network/Web: AGPL
- Mattermost, proxmox, lichess
- PeerTube, Diaspora, EdX, mastodon, ownCloud, Signal