Chat, documents, project boards and customer relationships. This is the densest category for European and open-source options.
| # | Country | Name |
|---|---|---|
| 1 | 🇩🇪 | Nextcloud |
| 2 | 🇱🇻 | ONLYOFFICE |
| 3 | 🇳🇴 | Whereby |
| 4 | 🇺🇸 | Notion |
| 5 | - | Planka |
| 6 | 🇩🇪 | Nuclino |
| 7 | 🇺🇸 | Zoom |
| 8 | 🇺🇸 | Asana |
| 9 | 🇫🇷 | Sellsy |
| 10 | 🇪🇸 | Taiga |
| 11 | 🇺🇸 | Rocket.Chat |
| 12 | 🇩🇪 | SeaTable |
| 13 | 🇺🇸 | Jitsi |
| 14 | 🇫🇷 | XWiki |
| 15 | 🇫🇷 | Wimi |
| 16 | 🇦🇺 | Confluence |
| 17 | 🇺🇸 | Salesforce |
| 18 | 🇫🇷 | CryptPad |
| 19 | 🇨🇭 | Wire |
| 20 | 🇺🇸 | Slack |
| 21 | 🇦🇺 | Trello |
| 22 | 🇩🇪 | OpenProject |
| 23 | 🇺🇸 | Mattermost |