- fixes #455
- landscape view: https://landscape.cncf.io/?license=open-source
- source code and contribution: https://github.com/cncf/landscape/
- more information: https://landscape.cncf.io/guide

… Software Landcscape

- ref. #455

…cf.io/card-mode?license=open-source)

…e.cncf.io/card-mode?license=open-source)

…e.cncf.io/card-mode?license=open-source)

…e.cncf.io/card-mode?license=open-source)

…cncf.io/card-mode?license=open-source)

…cf.io/card-mode?license=open-source)

….cncf.io/card-mode?license=open-source)

…sted at https://landscape.cncf.io/card-mode?license=open-source)

…cape.cncf.io/card-mode?license=open-source)

….cncf.io/card-mode?license=open-source)

…dscape.cncf.io/card-mode?license=open-source)

…e.cncf.io/card-mode?license=open-source)

…ape.cncf.io/card-mode?license=open-source)

…dscape.cncf.io/card-mode?license=open-source)

…scape.cncf.io/card-mode?license=open-source)

- .github/PULL_REQUEST_TEMPLATE.md: Any category you are creating has the minimum requirement of 3 items.

… _see also_

- CNCF landscape must be preferred to awesome-sysadmin for cloud orchestration-related tools
- ref. #455

- use wikipedia description of official project descriptions

- ref. #416

> - repositories at https://github.com/palletops did not receive any commits since 2015-2017
- ref. #405