Best Self-hosted Collaborative Workspaces in 2026

Baserow

Build databases and apps without coding

Stars
4,756
Forks
584
Last commit
22 hours ago

Open-source no-code platform for creating databases, applications, and workflows. Self-host or use cloud. GDPR, HIPAA, SOC 2 compliant with unlimited scalability.

Open Source Alternative to:

Airtable

Affine

Collaborative knowledge creation and management platform

Stars
67,870
Forks
4,796
Last commit
14 hours ago

All-in-one workspace for note-taking, whiteboarding, and task management with real-time collaboration and local-first architecture.

Open Source Alternative to:

Notion

Plane

Open-source project management for modern teams

Stars
48,591
Forks
4,135
Last commit
2 days ago

Collaborative workspace for agile teams to plan, track, and ship projects with customizable workflows and powerful features.

Open Source Alternative to:

Jira

Rocket.Chat

Secure, flexible team communication platform

Stars
45,221
Forks
13,541
Last commit
8 hours ago

Open-source chat solution offering real-time messaging, video calls, and file sharing for teams of all sizes.

Open Source Alternative to:

Discord

Mattermost

Secure collaboration platform for mission-critical work

Stars
36,486
Forks
8,579
Last commit
8 hours ago

Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.

Open Source Alternative to:

Microsoft Teams

Nextcloud

Secure cloud collaboration platform for organizations

Stars
34,778
Forks
4,835
Last commit
13 hours ago

Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.

Open Source Alternative to:

Microsoft Teams

Focalboard

Organize, plan, and collaborate with visual boards

Stars
26,112
Forks
2,536
Last commit
11 days ago

Open-source project management tool for teams. Create kanban boards, tables, and tasks to streamline workflows and boost productivity.

Open Source Alternative to:

Jira

Teable

Flexible database meets intuitive spreadsheet interface

Stars
21,188
Forks
1,258
Last commit
1 day ago

Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.

Open Source Alternative to:

Airtable

Docs

Create, edit and share documents with real-time collaboration

Stars
16,463
Forks
583
Last commit
17 hours ago

Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.

Open Source Alternative to:

Notion

Sync-in

Open-source file storage with complete data sovereignty

Stars
1,139
Forks
61
Last commit
3 days ago

Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.

Open Source Alternative to:

Google Drive

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Baserow

Build databases and apps without coding

Stars
4,756
Forks
584
Last commit
22 hours ago

Open-source no-code platform for creating databases, applications, and workflows. Self-host or use cloud. GDPR, HIPAA, SOC 2 compliant with unlimited scalability.

Open Source Alternative to:

Airtable

Affine

Collaborative knowledge creation and management platform

Stars
67,870
Forks
4,796
Last commit
14 hours ago

All-in-one workspace for note-taking, whiteboarding, and task management with real-time collaboration and local-first architecture.

Open Source Alternative to:

Notion

Plane

Open-source project management for modern teams

Stars
48,591
Forks
4,135
Last commit
2 days ago

Collaborative workspace for agile teams to plan, track, and ship projects with customizable workflows and powerful features.

Open Source Alternative to:

Jira

Rocket.Chat

Secure, flexible team communication platform

Stars
45,221
Forks
13,541
Last commit
8 hours ago

Open-source chat solution offering real-time messaging, video calls, and file sharing for teams of all sizes.

Open Source Alternative to:

Discord

Mattermost

Secure collaboration platform for mission-critical work

Stars
36,486
Forks
8,579
Last commit
8 hours ago

Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.

Open Source Alternative to:

Microsoft Teams

Nextcloud

Secure cloud collaboration platform for organizations

Stars
34,778
Forks
4,835
Last commit
13 hours ago

Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.

Open Source Alternative to:

Microsoft Teams

Focalboard

Organize, plan, and collaborate with visual boards

Stars
26,112
Forks
2,536
Last commit
11 days ago

Open-source project management tool for teams. Create kanban boards, tables, and tasks to streamline workflows and boost productivity.

Open Source Alternative to:

Jira

Teable

Flexible database meets intuitive spreadsheet interface

Stars
21,188
Forks
1,258
Last commit
1 day ago

Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.

Open Source Alternative to:

Airtable

Docs

Create, edit and share documents with real-time collaboration

Stars
16,463
Forks
583
Last commit
17 hours ago

Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.

Open Source Alternative to:

Notion

Sync-in

Open-source file storage with complete data sovereignty

Stars
1,139
Forks
61
Last commit
3 days ago

Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.

Open Source Alternative to:

Google Drive

Self-hosted Collaborative Workspaces

A curated collection of the best self-hosted integrated platforms combining communication, task management, and document sharing.