22 open-source Notes & Tasks vendors
Open-source software for Notes & Tasks that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 22
- European
- 13
- foreign-owned
- 1
- last checked
- 11 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100CarnetFrance · Self-hosted / open sourceOpen-source note-taking app, available as a Nextcloud app and as Android and Linux apps syncing via Nextcloud or ownCloud
- Sovereignty score 94 out of 100CryptPadFrance · EU sovereignFrench encrypted collaborative editing platform
- Sovereignty score 94 out of 100HedgeDocGermany · Self-hosted / open sourceCollaborative Markdown editor for real-time collaboration on notes
- Sovereignty score 94 out of 100JoplinFrance · EU sovereignFrench open-source note-taking app with sync and encryption
- Sovereignty score 94 out of 100Nextcloud NotesGermany · Self-hosted / open sourceNotes app for Nextcloud; self-hostable in EU
- Sovereignty score 94 out of 100Nextcloud TasksGermany · Self-hosted / open sourceTask management integrated into Nextcloud with CalDAV synchronisation
- Sovereignty score 94 out of 100NotefoxItaly · EU sovereignItalian privacy-friendly note-taking app.
- Sovereignty score 94 out of 100OpenProject TasksGermany · EU sovereignTask module by OpenProject for structured task management
- Sovereignty score 94 out of 100Super ProductivityAustria · Self-hosted / open sourceAustrian open-source task and time management tool with Jira integration
- Sovereignty score 94 out of 100TaskwarriorGermany · Self-hosted / open sourcePowerful open-source CLI task manager with synchronisation server
- Sovereignty score 94 out of 100Trilium Notes (TriliumNext)European Union (distributed) · Self-hosted / open sourceSelf-hosted hierarchical note-taking app
- Sovereignty score 94 out of 100VikunjaGermany · EU sovereignOpen-source task management; self-hostable
- Sovereignty score 94 out of 100ZettlrGermany · Self-hosted / open sourceOpen-source Markdown editor for academic writing and notes
- Sovereignty score 79 out of 100AppFlowySingapore · Non-EU vendorOpen-source Notion alternative for notes, wikis and project management
- Sovereignty score 79 out of 100LogseqSingapore · Self-hosted / open sourceOpen-source knowledge management tool with graphical view and local storage; developer in Singapore — sovereign when used locally
- Sovereignty score 79 out of 100NotesnookPakistan · Non-EU vendorPrivacy-first note-taking app with end-to-end encryption
- Sovereignty score 79 out of 100SiYuanChina · Non-EU vendorLocal privacy-focused note-taking app with block references and graphs
- Sovereignty score 71 out of 100TurtlUnited States · Non-EU vendorEncrypted note-taking app with focus on privacy as Evernote alternative
- Sovereignty score 69 out of 100HabiticaUnited States · Self-hosted / open sourceGamified habit and task tracker by HabitRPG, Inc. (San Francisco). The code is open source under GPL v3.
- Sovereignty score 69 out of 100ReflectUnited States · Self-hosted / open sourceOpen-source note-taking app for Mac and iPhone with daily notes and wiki links; notes are plain Markdown files. From Reflect App, LLC, United States.
- Sovereignty score 61 out of 100Standard NotesUnited States · Non-EU vendor · owner in SwitzerlandUS open-source encrypted note-taking app
- Sovereignty score 49 out of 100SimplenoteUnited States · Non-EU vendorSimple note-taking app by Automattic with sync and Markdown
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