Free and open first

Best Cloud Content Collaboration Software in 2026

30 apps
Research read 28 Sept 2026
How the order is worked out

1

ONLYOFFICE Docs

Free plan Open source AndroidAPIExtension+6

Choose ONLYOFFICE Docs if you need collaborative office editors, broad integration options, or desktop editing offline.

8.8 Free plan · paid from $1,500 · 30-day trial Visit site
2

Seafile
by Seafile
Free plan Open source AndroidAPIiPhone+5

Seafile offers broad platform coverage and a choice between self-hosted and cloud editions. Check user minimums, storage limits, and unlisted tier prices when selecting a plan.

8.7 Free plan · paid from $8/user/mo Visit site
3

Box
by Box
Free plan AndroidAPIiPhone+3

7.7 Free plan Visit site
4

Coda

Free plan AndroidAPIExtension+3

Choose Coda if your team wants a shared workspace that can combine docs, data tables, and workflow apps, with broad integrations and automation options.

7.7 Free plan Visit site
5

Confluence
by Confluence
Free plan AndroidiPhoneSelf-hosted+1

Confluence combines collaborative documents and project knowledge with Jira connections and multiple deployment options.

7.6 Free plan · paid from $5.42/user/mo · 7-day trial Visit site
6

Dropbox Paper
by Dropbox Paper
Free plan AndroidAPIiPhone+1

Dropbox Paper combines collaborative documents with task and timeline features at no charge. Its web-based access and mobile timeline limitation are important to consider.

7.6 Free plan · paid from $0.99/mo (annual) Visit site
7

Fibery

Free plan AndroidAPIExtension+4

Fibery combines configurable databases and views with integrations, an API, and automation for team workflows.

7.5 Free plan · paid from €12/user/mo (annual) · 14-day trial Visit site
8

FileCloud
by FileCloud
Free plan AndroidiPhoneLinux+4

FileCloud offers several deployment choices and a broad set of sharing, collaboration, and security controls.

7.5 From $7/user/mo (annual) · 14-day trial Visit site
9

Google Drive
by Google Drive
Free plan AndroidiPhoneMac+1

Google Drive pairs file storage and sharing with team drives, integrations, and security controls.

7.5 Free plan · paid from $1.99/mo · 14-day trial Visit site
10

Lark
by Lark
Free plan AndroidAPIiPhone+4

Lark combines workplace messaging, collaboration, automation, and developer tools across major desktop and mobile platforms.

7.4 Free plan Visit site
11

CryptPad Rich Text

Free plan Self-hostedWeb

Choose CryptPad Rich Text for collaborative documents when browser encryption, link-based sharing, and open-source self-hosting matter.

7.3 Free plan · paid from €5/mo Visit site
12

Microsoft Loop

Free plan AndroidiPhoneWeb+1

Loop combines shared canvases, workspaces, and synchronized components for collaborative planning.

7.3 Visit site
13

Nuclino
by Nuclino
Free plan AndroidAPIiPhone+4

Choose Nuclino if your team wants shared documents, several ways to organize work, and a canvas for diagrams or whiteboards. The Free plan has clear item, canvas, and storage caps.

7.2 Free plan · 14-day trial Visit site
14

Dropbox Fax (formerly HelloFax)

Free plan Web

Dropbox Fax covers web and email faxing, with a small free sending allowance and paid inbound faxing. Consider the lack of mobile apps and the unlisted paid pricing when deciding whether it fits.

7.1 Free plan · 30-day trial Visit site
15

ownCloud
by ownCloud
Free plan AndroidAPIiPhone+5

Choose ownCloud if your team needs file synchronization, sharing and collaboration with a choice of deployment model.

7.1 Free plan · 30-day trial Visit site
16

Pydio Cells
by Pydio Cells
Free plan AndroidiPhoneLinux+2

Pydio Cells combines a free Home option with paid plans aimed at larger deployments.

7.1 Free plan · paid from €3,280/user/yr Visit site
17

Notion Calendar
by Notion Calendar
Free plan AndroidiPhone

Choose Notion Calendar if you want a free calendar plan with multiple calendar connections, two-way sync, and scheduling tools on mobile.

7.0 Free plan Visit site
18

Slab
by Slab
Free plan WebWindowsMac

6.9 Free plan · paid from $6.67/user/mo (annual) · 14-day trial Visit site
19

Tresorit
by Tresorit
Free plan AndroidiPhoneLinux+2

Tresorit offers a range of personal and business storage plans with zero-knowledge encryption. Check the listed storage, file-size, device, and user limits to see which plan fits.

6.9 Free plan · 14-day trial Visit site
20

Zoho WorkDrive
by Zoho WorkDrive
Free plan AndroidiPhoneLinux+2

Zoho WorkDrive offers cross-platform team storage with versioning and administration features.

6.9 Free plan · paid from $2.50/user/mo (annual) · 15-day trial Visit site
21

Nextcloud Hub

Free plan AndroidiPhoneLinux+3

6.4 Free plan · pricing on request Visit site
22

Egnyte
by Egnyte
Paid AndroidiPhoneMac+1

Egnyte combines cross-platform file access with versioning, administration, collaboration, and tiered security features.

5.9 From $22/user/mo (annual) Visit site
23

ShareFile

Free trial AndroidAPIExtension+4

ShareFile brings client collaboration, document handling and governed workflows together with broad platform access. Review third-party service requirements and plan minimums before choosing a tier.

5.9 From $16.50/user/mo (annual) · 14-day trial Visit site
24

Slite
by Slite
Free trial AndroidAPIExtension+4

Slite combines team documentation with review workflows, connected-tool search, and AI-assisted maintenance.

5.9 From $10/user/mo (annual) · 14-day trial Visit site
25

SmartVault

Free trial AndroidAPIiPhone+3

5.9 Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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