Self-hosted projects tagged “Collaboration”

Collaborative note-taking, wiki, and documentation platform with real-time editing, access control, and offline support. Built with Django and React/Next.js.

MITActively maintained

Alternative to:

Notion+19

OpenProject is an open source project management platform for planning, tracking, and collaborating on work with Gantt charts, agile boards, roadmaps, and time reporting.

GPL-3.0Actively maintained

Alternative to:

OpenProject (Cloud)+19

Apache Answer is a modern open-source Q&A platform for teams to build knowledge bases, forums, and help centers.

Apache-2.0Actively maintained

Alternative to:

Stack Overflow+9

JupyterLab is an extensible web-based IDE for Jupyter notebooks, code, terminals, and data exploration with rich outputs and a plugin-based interface.

BSD-3-ClauseActively maintained

Alternative to:

Anaconda Notebooks+15

Open-source platform to provision secure, self-hosted developer workspaces (VMs, containers, Kubernetes) defined in Terraform, with IDE integrations and AI agent support.

AGPL-3.0Actively maintained

Alternative to:

Coder (Coder Cloud)+6

Habitica is an open-source gamified task manager turning Habits, Dailies, and To-Dos into RPG quests with avatars, gear and social features.

Actively maintained

Alternative to:

Habitica+15

Element is a Matrix client for secure team messaging and collaboration, offering end-to-end encrypted chats and calls with interoperability across the Matrix network.

AGPL-3.0Actively maintained

Alternative to:

Element Matrix (Hosted)+19

Formbricks is an open-source Qualtrics alternative for creating in-app, web, link, and email surveys with targeting, segmentation, and built-in analysis.

Actively maintained

Alternative to:

SurveyMonkey+10

Self-hosted, real-time Kanban board built with React and Node.js; supports collaborative boards, markdown notes, SSO, and flexible notifications.

Actively maintained

Alternative to:

Trello+19

Leantime is an open-source, PHP-based project management system combining strategy, planning and execution with Kanban, Gantt, dashboards, wikis, time tracking and AI-assisted features.

AGPL-3.0Actively maintained

Alternative to:

Asana+19

Open-source screen sharing server that runs self-hosted; WebRTC-based with TURN server; Docker or single-binary deployment; browser-based.

GPL-3.0Actively maintained

Alternative to:

Zoom+11

Open source Kanban project management tool with boards, tasks, WIP limits, search, and automation, designed for simple self-hosted team workflows.

MITActively maintained

Alternative to:

Trello+19

BigBlueButton is an open-source virtual classroom and web conferencing platform with real-time audio/video, screen sharing, whiteboards, breakout rooms, polling, and recordings.

LGPL-3.0Actively maintained

Alternative to:

Zoom+14

Open-source platform for secure file sync, sharing, collaboration, calendars and external storage with WebDAV/CalDAV/CardDAV support.

AGPL-3.0Actively maintained

Alternative to:

Dropbox+19

Self-hosted recipe manager for organizing recipes, planning meals, creating shopping lists, and collaborating with family or friends.

Actively maintained

Alternative to:

Paprika Recipe Manager+5

Open-source, self-hostable project management with kanban/list views, GitHub sync, PostgreSQL backend and Docker/Helm deployment options.

MITActively maintained

Alternative to:

Trello+19

CryptPad is an end-to-end encrypted collaboration suite with real-time editors, file storage, and sharing, designed to keep document contents private from servers and admins.

AGPL-3.0Actively maintained

Alternative to:

Google Workspace+12

Browser and desktop diagram editor for flowcharts, UML, wireframes and network diagrams with cloud storage integrations and offline apps.

Apache-2.0Actively maintained

Alternative to:

Microsoft Visio+16

Open-source, web-based collaborative Markdown editor for real-time notes, diagrams, and slide presentations with revisions and access controls.

AGPL-3.0Actively maintained

Alternative to:

HackMD+17

Moodle is an open-source LMS written in PHP that enables institutions and organisations to create, deliver, and assess online courses with extensible plugins and integrations.

GPL-3.0Actively maintained

Alternative to:

Canvas LMS+12

Eclipse Che provides Kubernetes-based cloud development environments (CDEs) with containerized workspaces, a web IDE, and Devfile-based project configuration for teams.

EPL-2.0Actively maintained

Alternative to:

Codenvy Developer Workspaces+6

Sandstorm is a self-hostable web productivity suite that lets you install, run, and securely share many web apps with unified access control and sandboxing.

Actively maintained

Alternative to:

Cloudron+4

OpenSign is a free, open-source DocuSign alternative for signing and sending PDFs, managing templates, inviting multiple signers, and generating audit trails and completion certificates.

Self-hostable online office suite for viewing and collaboratively editing documents, spreadsheets, presentations, PDFs, and forms with strong OOXML compatibility.

AGPL-3.0Actively maintained

Alternative to:

ONLYOFFICE Docs Cloud+13

Canvas LMS is an open-source learning management system for course delivery, assignments, grading, communication, and integrations for schools and universities.

AGPL-3.0Actively maintained

Alternative to:

Google Classroom+10

Open-source intranet and enterprise social network for communication, collaboration, and knowledge sharing with a modular, extensible design.

Actively maintained

Alternative to:

Microsoft Yammer+13

Open source web-based localization platform with tight Git/VCS integration, translation workflows, quality checks, and automation for continuous software localization.

GPL-3.0Actively maintained

Alternative to:

Transifex+5

OpenCloud is an open source platform for file management, secure sharing, sync, and team collaboration with modern authentication and access controls.

Apache-2.0Actively maintained

Alternative to:

Dropbox+19

Kan is an open-source Trello alternative for kanban boards, cards, labels, comments, and team workspaces, with Trello import and self-hosting support.

AGPL-3.0Actively maintained

Alternative to:

Trello+19

Umbraco CMS is an open-source ASP.NET Core content management system with an editor-friendly backoffice, extensible architecture, and scalable deployment options.

MITActively maintained

Alternative to:

WordPress.com+13