Self-hosted projects tagged “Collaboration”

Self-hosted web app for signing PDFs (single or multi-signer), organizing pages (merge/rotate/extract), editing PDF metadata, and compressing files.

AGPL-3.0Actively maintained

Alternative to:

Docusign+19

Web-based genealogy software for publishing and collaboratively editing family trees, with GEDCOM import, media support, and granular privacy controls.

GPL-3.0Actively maintained

Alternative to:

Ancestry+3

Open-source audience interaction platform for live presentations with real-time polls, quizzes, and Q&A, suitable for classrooms, meetings, and events.

AGPL-3.0Actively maintained

Alternative to:

Slido+5

Apache OpenMeetings is a web conferencing and collaboration platform with video meetings, chat, whiteboards, screen sharing, recording, file sharing, and user/room management.

Actively maintained

Alternative to:

Zoom+11

Atheos is a self-hosted, web-based cloud IDE and code editor with a small footprint, featuring plugins, multi-user support, and built-in Git integration.

Actively maintained

Alternative to:

Replit+11

Kanba is a lightweight, open-source Trello-style project management tool with boards, lists, and team collaboration, built for simple, fast self-hosting.

MITActively maintained

Alternative to:

Trello+19

OpenSlides is a web-based assembly and event system for managing agendas, motions, speakers lists, and conducting digital elections and votes.

MITActively maintained

Alternative to:

Civica Modern.Gov+13

Self-hosted SvelteKit wishlist app that scrapes product metadata, supports groups, registry mode, PWA, OpenID Connect, and Docker deployment.

MITActively maintained

Alternative to:

Wishlistr

Gibbon is an open source school management system for student information, staff workflows, parent access, planning, and daily school operations in one web platform.

GPL-3.0Actively maintained

Alternative to:

PowerSchool+1

Go-based flat-file wiki that stores content as Markdown with built-in search, version history, and access control, without an external database.

GPL-3.0Actively maintained

Alternative to:

Atlassian Confluence+19

Self-hosted Google Keep–style notes app built with Vite + React and an Express + SQLite API. Supports Markdown, checklists, images, PWA, collaboration and Docker deployment.

MITSlowing down

Alternative to:

Google Keep+10

Lightweight CalDAV/CardDAV server implemented in Python that stores calendars and contacts in a Git-backed hierarchy with history and sync support.

GPL-3.0Actively maintained

Alternative to:

Google Calendar+4

Open-source operating system that connects company goals, projects and check-ins with opinionated workflows, an AI executive coach, and self-hosting options.

Actively maintained

Alternative to:

monday.com+19

Web-based virtual tabletop for TTRPGs offering infinite canvas, layers, dynamic lighting, player vision, initiative tracking, offline support and self-hosting.

MITActively maintained

Alternative to:

Foundry Virtual Tabletop+2

Project-based, minimalist time tracking with realtime reports, exports and basic integrations; available as a hosted demo or deployable via Docker and MongoDB.

AGPL-3.0Actively maintained

Alternative to:

Toggl Track+11

Real-time collaborative mind-mapping web app with import/export, sharing via links/QR, undo/redo and Postgres storage. Runs with a TypeScript/NestJS backend and Angular frontend.

MITActively maintained

Alternative to:

Xmind+8

Self-hosted collaborative office suite for Nextcloud providing real-time editing, high-fidelity rendering and support for DOCX, XLSX, PPTX and ODF formats.

Actively maintained

Alternative to:

Collabora Online+11

Lightweight web application for synchronized video playback with chat, leader-controlled playback, subtitle/audio track support and Docker deployment.

MITActively maintained

Alternative to:

Watch2Gether+3

A modular, developer-friendly virtual tabletop that runs on Node.js/Electron, offering scenes, dynamic lighting, compendia and a rich module/system ecosystem.

Lightweight filesystem wiki engine using Git for history and Mycomarkup for content, suited for personal wikis, digital gardens and small teams.

AGPL-3.0Slowing down

Alternative to:

Atlassian Confluence+19

Web application to manage, annotate, and share academic PDFs with full-text search, OCR, citation import, and team collaboration.

GPL-3.0Slowing down

Alternative to:

Mendeley+12

Open-source, browser-based groupware providing calendar, email, file manager, CRM, projects, Collabora Online integration and SSO support.

Actively maintained

Alternative to:

Microsoft Exchange Online+19

Open-source grocery list app focused on reliable real-time sync, shared lists, offline usage, list groups, store/aisle views, and recipe import.

MITSlowing down

Alternative to:

AnyList+3

Tracim is an open-source collaboration suite offering threaded conversations, file sharing with versioning, collaborative pages, tasks and workspace organization.

Actively maintained

Alternative to:

Microsoft SharePoint+19

Open-source ECM for documents, web content, and team collaboration.

LGPL-3.0Actively maintained

Alternative to:

Alfresco Content Services+9

Perl-based wiki engine focused on high-quality publishing, bookbuilding, EPUB/PDF output, Git and flat-file backends, and multi-database support.

Actively maintained

Alternative to:

XWiki Cloud+13

Create, share and combine structured tables and views inside Nextcloud. Supports templates, CSV/spreadsheet import, custom columns, filtered views and an OpenAPI-backed API.

AGPL-3.0Actively maintained

Alternative to:

Google Sheets+8

A compact, single-file PHP wiki engine offering page history, file uploads, tagging, themes and collaborative editing for small to medium sites.

MPL-2.0Actively maintained

Alternative to:

Atlassian Confluence+14

Open-source, self-hosted wishlist app to create, share and collaboratively manage wishlists with anonymous gift claiming; Docker-ready, supports PostgreSQL and MySQL.

Sticky is a digital sticky-note board for organizing ideas, collaborating in real time, and syncing across devices with customizable notes and drag-and-drop layout.

MITSlowing down

Alternative to:

Microsoft Whiteboard+9