Helpie is the most advanced Knowledge Base plugin for WordPress. The Most Advanced WordPress Knowledge Base Plugin Build a WordPress Knowledge Base with access control, frontend editing.
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Helpie Knowledge Base Wiki Plugin
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 1 |  | TiddlyWiki Alternatives and Similar Software | Mac Windows Linux Online BSD Self-Hosted Xfce | Free | Website | |
| 2 |  | Notion | Web | Mac Windows Android iPhone Android Tablet iPad Software as a Service (SaaS) | Freemium | Website |
| 3 |  | Tomboy | Mac Windows BSD Linux | Free | Website | |
| 4 |  | Classic Google Sites | Web | Free | Website | |
| 5 |  | Nuclino | Web | Mac Chrome OS Windows Android iPhone Linux iPad | Freemium | Website |
| 6 |  | wikidPad | Discontinued | Mac Windows BSD Linux | Free | Website |
| 7 |  | Confluence | Web | Self-Hosted Cloudron | Commercial | Website |
| 8 |  | MediaWiki | Self-Hosted Cloudron PHP | Free | Website | |
| 9 | | DokuWiki Alternatives and Similar Software | Self-Hosted Cloudron Self-Hosted | Free | Website | |
| 10 |  | BookStack | Web | Self-Hosted | Free | Website |