Karakeep
Self-hosted app for saving links, notes and images, with AI tagging and full-text search.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Open source in Docs & collaboration
Wiki, documents, file sync, whiteboards and intranet.
Common tools in this category
Open-source products · 65
Bookmarks & read-later
Linkwarden
Self-hosted bookmark manager for teams that keeps copies of pages so they stay available.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Wallabag
Self-hosted app for saving web articles and reading them later.
MITPermissive
SaaS: YesClosed product: Yes
Shiori
Simple bookmark manager in Go with a web interface and command line.
MITPermissive
SaaS: YesClosed product: Yes
Linkding
Minimal, fast self-hosted bookmark manager that is easy to start with Docker.
MITPermissive
SaaS: YesClosed product: Yes
LinkAce
Self-hosted link archive with tags, lists and dead-link checks.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
Document management & PDF tools
Stirling PDF
Tool for editing, merging, splitting and converting PDF files in the browser.
SaaS: YesClosed product: Yes
Paperless-ngx
Document management that scans, OCRs, tags and archives documents so they become searchable.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
BentoPDF
PDF toolkit that runs in the browser, so files are not uploaded to any server.
SaaS: Yes, with conditionsClosed product: No
Gotenberg
API in a Docker container that converts HTML, Office files and other formats to PDF.
MITPermissive
SaaS: YesClosed product: Yes
Papra
Minimalist platform for archiving and finding documents.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Teedy
Lightweight document management system with OCR, tags, sharing and workflows.
GPL-2.0Strong copyleft
SaaS: YesClosed product: No
Docspell
Organises documents from scanners and email with OCR and automatic metadata suggestions.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
File sync & sharing
Nextcloud
File sync, calendar, contacts and office suite you run yourself. German vendor.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
LocalSend
App for sending files between devices on the same network, without internet and on all common platforms.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
Syncthing
Synchronises files directly between your devices, without a central server.
MPL-2.0Weak copyleft
SaaS: YesClosed product: Yes, with conditions
Copyparty
File server in a single file with uploads, WebDAV, FTP and media browsing.
MITPermissive
SaaS: YesClosed product: Yes
Cloudreve
Self-hosted file storage and sharing system with support for several storage back ends.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
Seafile
File sync and sharing with version history and custom file properties.
GPL-2.0Strong copyleft
SaaS: YesClosed product: No
Filestash
Web-based file manager that connects to FTP, SFTP, S3, WebDAV and other storage.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
PairDrop
Send files between devices through the browser, without installing anything or signing up.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
ownCloud Server (classic)
The classic ownCloud server in PHP for file storage, sharing and sync.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
OpenCloud
Platform for file storage, sharing and collaboration that you can run yourselves.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
Pydio Cells
File sharing and content collaboration platform for businesses.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
ownCloud Infinite Scale
Newer ownCloud platform in Go for file storage and sharing, built to scale.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
Sync-in
Platform for file storage, sharing, sync and collaboration on your own server.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Twake Drive
Web app for file storage and sharing from Twake Workplace.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Notes & personal knowledge
AppFlowy
Notion-like workspace for notes, databases and tasks.
SaaS: Yes, with conditionsClosed product: No
Memos
Self-hosted timeline for short notes you can search, tag and sort by date.
MITPermissive
SaaS: YesClosed product: Yes
Joplin
Note-taking app with sync and encryption for desktop and mobile.
SaaS: Yes, with conditionsClosed product: No
SiYuan
Local-first, privacy-focused knowledge base with block editing, Markdown and optional self-hosting.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Logseq
Local-first note app for knowledge management with journals, linked notes and outliner editing.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Trilium Notes
App for a personal knowledge base with hierarchical notes, links and scripting.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Notesnook
End-to-end encrypted note-taking app, in the style of Evernote.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
Zettlr
Markdown editor for writing and academic work, with reference management and export.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
Blinko
Self-hosted note tool with AI search across your own notes.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
Anytype
Local-first app for notes, documents and databases with end-to-end encryption and sync between devices.
LicenseRef-Any-Source-Available-1.0Source-available (not OSI)
SaaS: NoClosed product: No
Standard Notes
End-to-end encrypted notes and files on all platforms.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Silverbullet
Markdown knowledge base that runs in the browser and can be extended with Lua scripts.
MITPermissive
SaaS: YesClosed product: Yes
Obsidian
Note-taking app and personal knowledge base that stores everything as plain local Markdown files.
SaaS: NoClosed product: No
Office suite & collaborative editing
Univer
Framework for spreadsheets, documents and slides that can be embedded in your own apps and used by AI agents.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
Etherpad
Text editor where several people write in the same document at the same time.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
Overleaf
Web-based LaTeX editor for writing and collaborating on scientific texts.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
CryptPad
Collaboration suite with documents, spreadsheets and forms, all end-to-end encrypted.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
ONLYOFFICE Docs
Online office suite for documents, spreadsheets, presentations and PDF, compatible with Microsoft Office formats.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
ONLYOFFICE Desktop Editors
Desktop office suite with documents, spreadsheets, presentations and PDF, for Windows, Mac and Linux.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
LibreOffice
Full office suite with word processing, spreadsheets, presentations and more.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
Collabora Online
Browser-based office suite built on LibreOffice, for documents, spreadsheets and presentations.
MPL-2.0Weak copyleft
SaaS: YesClosed product: Yes, with conditions
Whiteboards & diagramming
Excalidraw
Virtual whiteboard for sketches and diagrams.
MITPermissive
SaaS: YesClosed product: Yes
tldraw SDK
SDK for infinite-canvas whiteboards in React apps.
LicenseRef-tldrawSource-available (not OSI)
SaaS: NoClosed product: No
draw.io
Diagramming tool for flowcharts, networks and architecture drawings, in the browser or on desktop.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
WBO
Simple shared online whiteboard that is easy to deploy yourself.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Wiki & knowledge base
Docmost
Notion/Confluence-style wiki and docs with real-time collaboration.
SaaS: Yes, with conditionsClosed product: No
Outline
Fast, polished team wiki.
BUSL-1.1Source-available (not OSI)
SaaS: NoClosed product: No
BookStack
Stable wiki organised as shelves, books and pages.
MITPermissive
SaaS: YesClosed product: Yes
Wiki.js
Powerful wiki with Markdown, permissions and many login options.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
La Suite Docs
Collaborative documents backed by the French and German governments.
MITPermissive
SaaS: YesClosed product: Yes
TiddlyWiki
Personal wiki in a single file that runs in the browser or on a Node.js server.
BSD-3-ClausePermissive
SaaS: YesClosed product: Yes
HedgeDoc
Real-time collaborative editing of Markdown documents in the browser.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
MediaWiki
The wiki software behind Wikipedia, for large shared knowledge bases.
GPL-2.0-or-laterStrong copyleft
SaaS: YesClosed product: No
DokuWiki
Wiki engine in PHP that stores pages as text files, without a database.
GPL-2.0Strong copyleft
SaaS: YesClosed product: No
Documize
Wiki and documentation platform for internal and external docs.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
Otterwiki
Minimalist wiki in Python that stores pages as Markdown in a Git repository.
MITPermissive
SaaS: YesClosed product: Yes
XWiki
Enterprise wiki platform with structured data, permissions and extensions.
LGPL-2.1Weak copyleft
SaaS: YesClosed product: Yes, with conditions