| Title | CMS Category |
|---|---|
| Heroku | App Builders App Frameworks |
| Hexo | App Frameworks Blog Software |
| Higher Logic Vanilla | Forum Software |
| Hound | Flat CMS |
| hPage | Traditional CMS |
| HubSpot | CRM Solutions |
| Hugo | Static Site Generators |
| HumHub | Social Network Solutions |
| HydePHP | Static Site Generators |
| Hygraph | Headless CMS |
| Hyland | Enterprise Solutions |
| hyperCMS | Enterprise Solutions DAM Software |
| Igloo | Groupware Wiki Software |
| ILIAS eLearning | E-Learning |
| ImpressCMS | Traditional CMS |
| ImpressPages | Traditional CMS |
| inoERP | Enterprise Solutions |
| Insightly | CRM Solutions |
| Interact | Enterprise Solutions |
| IO200 CMS | Specialized CMS Gallery Software |